DTC U111A-87: Lost Communication with ECM/PCM "A" (ch2) Missing Message; DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0110-87: Lost Communication with Drive Motor Control Module "A" Missing Message; DTC U111A-00: Lost Communication with ECM/PCM "A" (ch2); DTC U1150-00: Lost Communication with Hybrid Powertrain Control Module (ch2); DTC U1150-87: Lost Communication with Hybrid/EV Powertrain Control Module (ch2) Missing Message; DTC U1154-87: Lost Communication with Drive Motor Control Module "A" (ch2) Missing Message; DTC U1159-87: Lost Communication with Electronic Brake Booster Control Module "A" (ch3) Missing Message; DTC U1170-08: Lost Communication with Brake System Control Module "A" (ch2) Bus Signal / Message Failure; DTC U1170-87: Lost Communication with Brake System Control Module (ch2) Missing Message; DTC U11B7-00: Lost Communication with TCM (ch4) (System 2) Missing Message; DTC U11B7-87: Lost Communication with TCM (ch4) Missing Message; DTC U11BC-87: Lost Communication with Hybrid/EV Powertrain Control Module (ch6) Missing Message; DTC U11BE-87: Lost Communication with ECM/PCM "A" (ch7) Missing Message [10/2022 - 08/2023]: Procedure

1. Disconnect the cable from the negative (-) auxiliary battery terminal.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Component with harness connected (Hybrid Vehicle Control ECU)

   -

   -

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C59-50 (CA3P) - C59-49 (CA3N)	Cable disconnected from negative (-) auxiliary battery terminal	Below 70 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  86

Result: 

OK 

See step  2

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Component with harness connected (Hybrid Vehicle Control ECU)

   -

   -

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C59-50 (CA3P) - C59-49 (CA3N)	Cable disconnected from negative (-) auxiliary battery terminal	54 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  59

Result: 

OK 

See step  3

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Component with harness connected (Hybrid Vehicle Control ECU)

   -

   -

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C59-50 (CA3P) - C59-13 (BATT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   C59-49 (CA3N) - C59-13 (BATT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  32

Result: 

OK 

See step  4

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Component with harness connected (Hybrid Vehicle Control ECU)

   -

   -

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C59-50 (CA3P) - C59-1 (E1)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   C59-49 (CA3N) - C59-1 (E1)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

INSPECT FOR INTERMITTENT PROBLEMS. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ] 

Result: 

NG 

See step  5

1. Check vehicle type.

   Result

   Result	Proceed to
   for A25A-FXS	A
   for T24A-FTS	B

Result: 

B 

See step  18

Result: 

A 

See step  6

1. Disconnect the C105 No. 12 junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-4 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   C105-8 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  9

Result: 

OK 

See step  7

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-1 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   C105-5 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  11

Result: 

OK 

See step  8

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-2 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   C105-6 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 12 JUNCTION CONNECTOR 

Result: 

NG 

See step  10

1. Disconnect the C59 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-4 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   C105-8 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 12 JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

1. Disconnect the A41 hybrid motor control inverter assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-2 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   C105-6 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE REPLACE MG ECU (HYBRID MOTOR CONTROL INVERTER ASSEMBLY) 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 12 JUNCTION CONNECTOR - HYBRID MOTOR CONTROL INVERTER ASSEMBLY) 

1. Disconnect the A122 No. 8 CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-2 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A122-6 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - NO. 12 JUNCTION CONNECTOR) 

Result: 

OK 

See step  12

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-4 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A122-8 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  15

Result: 

OK 

See step  13

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-3 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A122-7 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  16

Result: 

OK 

See step  14

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-1 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A122-5 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 8 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  17

1. Disconnect the A15 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-4 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A122-8 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [10/2022 - 08/2023] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - ECM) 

1. Disconnect the A34 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-3 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A122-7 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [10/2022 - 08/2023] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

1. Disconnect the A33 No. 2 skid control ECU (brake actuator assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-1 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A122-5 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

1. Disconnect the A125 No. 11 CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-2 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A125-6 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  21

Result: 

OK 

See step  19

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-1 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A125-5 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  23

Result: 

OK 

See step  20

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-3 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A125-7 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 11 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  22

1. Disconnect the C59 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-2 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A125-6 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

1. Disconnect the A15 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-3 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A125-7 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - ECM) 

1. Disconnect the A124 No. 10 CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-2 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A124-6 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 10 CAN JUNCTION CONNECTOR - NO. 11 CAN JUNCTION CONNECTOR) 

Result: 

OK 

See step  24

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-1 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A124-5 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  27

Result: 

OK 

See step  25

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-3 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A124-7 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 10 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  26

1. Disconnect the A34 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-3 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A124-7 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [10/2022 - 08/2023] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 10 CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

1. Disconnect the A123 No. 9 CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-2 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A123-6 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 9 CAN JUNCTION CONNECTOR - NO. 10 CAN JUNCTION CONNECTOR) 

Result: 

OK 

See step  28

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-3 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A123-7 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  30

Result: 

OK 

See step  29

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-1 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A123-5 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 9 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  31

1. Disconnect the B26 TCM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-3 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A123-7 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE TCM. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 9 CAN JUNCTION CONNECTOR - TCM) 

1. Disconnect the A33 No. 2 skid control ECU (brake actuator assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-1 (CANH) - C58-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A123-5 (CANL) - C58-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 9 CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

1. Check vehicle type.

   Result

   Result	Proceed to
   for A25A-FXS	A
   for T24A-FTS	B

Result: 

B 

See step  45

Result: 

A 

See step  33

1. Disconnect the C105 No. 12 junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-4 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   C105-8 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  36

Result: 

OK 

See step  34

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-1 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   C105-5 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  38

Result: 

OK 

See step  35

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-2 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   C105-6 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 12 JUNCTION CONNECTOR 

Result: 

NG 

See step  37

1. Disconnect the C59 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-4 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   C105-8 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 12 JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

1. Disconnect the A41 hybrid motor control inverter assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-2 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   C105-6 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE REPLACE MG ECU (HYBRID MOTOR CONTROL INVERTER ASSEMBLY) 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 12 JUNCTION CONNECTOR - HYBRID MOTOR CONTROL INVERTER ASSEMBLY) 

1. Disconnect the A122 No. 8 CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-2 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A122-6 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - NO. 12 JUNCTION CONNECTOR) 

Result: 

OK 

See step  39

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-4 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A122-8 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  42

Result: 

OK 

See step  40

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-3 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A122-7 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  43

Result: 

OK 

See step  41

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-1 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A122-5 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 8 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  44

1. Disconnect the A15 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-4 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A122-8 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [10/2022 - 08/2023] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - ECM) 

1. Disconnect the A34 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-3 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A122-7 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [10/2022 - 08/2023] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

1. Disconnect the A33 No. 2 skid control ECU (brake actuator assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-1 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A122-5 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

1. Disconnect the A125 No. 11 CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-2 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A125-6 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  48

Result: 

OK 

See step  46

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-1 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A125-5 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  50

Result: 

OK 

See step  47

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-3 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A125-7 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 11 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  49

1. Disconnect the C59 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-2 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A125-6 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

1. Disconnect the A15 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-3 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A125-7 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - ECM) 

1. Disconnect the A124 No. 10 CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-2 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A124-6 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 10 CAN JUNCTION CONNECTOR - NO. 11 CAN JUNCTION CONNECTOR) 

Result: 

OK 

See step  51

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-1 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A124-5 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  54

Result: 

OK 

See step  52

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-3 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A124-7 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 10 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  53

1. Disconnect the A34 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-3 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A124-7 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [10/2022 - 08/2023] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 10 CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

1. Disconnect the A123 No. 9 CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-2 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A123-6 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 9 CAN JUNCTION CONNECTOR - NO. 10 CAN JUNCTION CONNECTOR) 

Result: 

OK 

See step  55

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-3 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A123-7 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  57

Result: 

OK 

See step  56

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-1 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A123-5 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 9 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  58

1. Disconnect the B26 TCM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-3 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A123-7 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE TCM. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 9 CAN JUNCTION CONNECTOR - TCM) 

1. Disconnect the A33 No. 2 skid control ECU (brake actuator assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-1 (CANH) - C58-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A123-5 (CANL) - C58-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 9 CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

1. Check vehicle type.

   Result

   Result	Proceed to
   for A25A-FXS	A
   for T24A-FTS	B

Result: 

B 

See step  72

Result: 

A 

See step  60

1. Disconnect the C105 No. 12 junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-4 (CANH) - C105-8 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  63

Result: 

OK 

See step  61

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-1 (CANH) - C105-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  65

Result: 

OK 

See step  62

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-2 (CANH) - C105-6 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 12 JUNCTION CONNECTOR 

Result: 

NG 

See step  64

1. Disconnect the C59 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-4 (CANH) - C105-8 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 12 JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

1. Disconnect the A41 hybrid motor control inverter assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-2 (CANH) - C105-6 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE REPLACE MG ECU (HYBRID MOTOR CONTROL INVERTER ASSEMBLY) 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 12 JUNCTION CONNECTOR - HYBRID MOTOR CONTROL INVERTER ASSEMBLY) 

1. Reconnect the C105 No. 12 junction connector.
2. Disconnect the A122 No. 8 CAN junction connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-2 (CANH) - A122-6 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - NO. 12 JUNCTION CONNECTOR) 

Result: 

OK 

See step  66

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-4 (CANH) - A122-8 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  69

Result: 

OK 

See step  67

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-3 (CANH) - A122-7 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  70

Result: 

OK 

See step  68

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-1 (CANH) - A122-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 8 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  71

1. Disconnect the A15 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-4 (CANH) - A122-8 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [10/2022 - 08/2023] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - ECM) 

1. Disconnect the A34 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-3 (CANH) - A122-7 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [10/2022 - 08/2023] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

1. Disconnect the A33 No. 2 skid control ECU (brake actuator assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-1 (CANH) - A122-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

1. Disconnect the A125 No. 11 CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-2 (CANH) - A125-6 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  75

Result: 

OK 

See step  73

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-1 (CANH) - A125-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  77

Result: 

OK 

See step  74

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-3 (CANH) - A125-7 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 11 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  76

1. Disconnect the C59 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-2 (CANH) - A125-6 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

1. Disconnect the A15 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-3 (CANH) - A125-7 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - ECM) 

1. Reconnect the A125 No. 11 CAN junction connector.
2. Disconnect the A124 No. 10 CAN junction connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-2 (CANH) - A124-6 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 10 CAN JUNCTION CONNECTOR - NO. 11 CAN JUNCTION CONNECTOR) 

Result: 

OK 

See step  78

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-1 (CANH) - A124-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  81

Result: 

OK 

See step  79

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-3 (CANH) - A124-7 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 10 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  80

1. Disconnect the A34 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-3 (CANH) - A124-7 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [10/2022 - 08/2023] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 10 CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

1. Reconnect the A124 No. 10 CAN junction connector.
2. Disconnect the A123 No. 9 CAN junction connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-2 (CANH) - A123-6 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 9 CAN JUNCTION CONNECTOR - NO. 10 CAN JUNCTION CONNECTOR) 

Result: 

OK 

See step  82

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-3 (CANH) - A123-7 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  84

Result: 

OK 

See step  83

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-1 (CANH) - A123-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 9 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  85

1. Disconnect the B26 TCM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-3 (CANH) - A123-7 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE TCM. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 9 CAN JUNCTION CONNECTOR - TCM) 

1. Disconnect the A33 No. 2 skid control ECU (brake actuator assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-1 (CANH) - A123-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 9 CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

1. Check vehicle type.

   Result

   Result	Proceed to
   for A25A-FXS	A
   for T24A-FTS	B

Result: 

B 

See step  93

Result: 

A 

See step  87

1. Disconnect the C59 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C59-50 (CA3P) - C59-49 (CA3N)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

See step  88

1. Reconnect the C59 hybrid vehicle control ECU connector.
2. Disconnect the C105 No. 12 junction connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-4 (CANH) - C105-8 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 12 JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

Result: 

OK 

See step  89

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C105-1 (CANH) - C105-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 12 JUNCTION CONNECTOR 

Result: 

NG 

See step  90

1. Reconnect the C105 No. 12 junction connector.
2. Disconnect the A122 No. 8 CAN junction connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-2 (CANH) - A122-6 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 8 CAN JUNCTION CONNECTOR - NO. 12 JUNCTION CONNECTOR) 

Result: 

OK 

See step  91

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A122-1 (CANH) - A122-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 8 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  92

1. Reconnect the A122 No. 8 CAN junction connector.
2. Disconnect the A33 No. 2 skid control ECU (brake actuator assembly) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A33-16 (CA2H) - A33-17 (CA2L)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - NO. 8 CAN JUNCTION CONNECTOR) 

1. Disconnect the C59 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C59-50 (CA3P) - C59-49 (CA3N)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

See step  94

1. Reconnect the C59 hybrid vehicle control ECU connector.
2. Disconnect the A125 No. 11 CAN junction connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-2 (CANH) - A125-6 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

Result: 

OK 

See step  95

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A125-1 (CANH) - A125-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 11 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  96

1. Reconnect the A125 No. 11 CAN junction connector.
2. Disconnect the A124 No. 10 CAN junction connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-2 (CANH) - A124-6 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 10 CAN JUNCTION CONNECTOR - NO. 11 CAN JUNCTION CONNECTOR) 

Result: 

OK 

See step  97

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A124-1 (CANH) - A124-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 10 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  98

1. Reconnect the A124 No. 10 CAN junction connector.
2. Disconnect the A123 No. 9 CAN junction connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-2 (CANH) - A123-6 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 9 CAN JUNCTION CONNECTOR - NO. 10 CAN JUNCTION CONNECTOR) 

Result: 

OK 

See step  99

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A123-1 (CANH) - A123-5 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 9 CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  100

1. Reconnect the A123 No. 9 CAN junction connector.
2. Disconnect the A33 No. 2 skid control ECU (brake actuator assembly) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A33-16 (CA2H) - A33-17 (CA2L)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - NO. 9 CAN JUNCTION CONNECTOR)