Inspection Procedure

CHECK SHORT IN CAN BUS WIRES (DLC3 SUB BUS LINE)

Disconnect the wire harness connector (J13) from the junction connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED VALUE

Tester Connection	Condition	Specified value
D1-6 (CANH) - D1-14 (CANL)	IG switch OFF	1 MΩ or higher

Fig 1: Identifying DLC3 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step.

NG: REPAIR OR REPLACE DLC3 SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

CHECK SHORT IN CAN BUS WIRES (SKID CONTROL ECU - JUNCTION CONNECTOR)

Disconnect the connector (S1) from the skid control ECU.

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

Standard resistance

TESTER CONNECTION SPECIFIED VALUE

Tester Connection	Condition	Specified value
S1-11 (CANH) - S1-25 (CANL)	IG switch OFF	1 MΩ or higher

HINT:

Ensure that the wire harness connector is not connected to the junction connector.

Fig 2: Identifying Skid Control ECU Connector Terminals (Front View)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step.

NG: REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (SKID CONTROL ECU - JUNCTION CONNECTOR)

CHECK SKID CONTROL ECU (CANH - CANL)

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

Standard resistance

TESTER CONNECTION SPECIFIED VALUE

Tester Connection	Condition	Specified value
11 (CANH) - 25 (CANL)	IG switch OFF	108 to 132 Ω

Fig 3: Identifying Skid Control ECU Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step.

NG: REPLACE SKID CONTROL ECU

CHECK SHORT IN CAN BUS WIRES (STEERING SENSOR - JUNCTION CONNECTOR)

Disconnect the connector (S12) from the steering sensor.

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

Standard resistance

TESTER CONNECTION SPECIFIED VALUE

Tester Connection	Condition	Specified value
S12-10 (CANH) - S12-9 (CANL)	IG switch OFF	1 MΩ or higher

HINT:

Ensure that the wire harness connector is not connected to the junction connector.

Fig 4: Identifying Steering Sensor Connector Terminals (Wire Harness View)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step.

NG: REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (STEERING SENSOR - JUNCTION CONNECTOR)

CHECK STEERING SENSOR (CANH - CANL)

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

Standard resistance

TESTER CONNECTION SPECIFIED VALUE

Tester Connection	Condition	Specified value
10 (CANH) - 9 (CANL)	IG switch OFF	108 to 132 Ω

Fig 5: Identifying Steering Sensor Connector Terminals

OK : Go to next step.

NG: REPLACE STEERING SENSOR

CHECK SHORT IN CAN BUS WIRES (YAW RATE SENSOR SUB BUS LINE)

Disconnect the connector (Y1) from the yaw rate sensor.

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

Standard resistance

TESTER CONNECTION SPECIFIED VALUE

Tester Connection	Condition	Specified value
Y1-3 (CANH) - Y1-2 (CANL)	IG switch OFF	1 MΩ or higher

HINT:

Ensure that the wire harness connector is not connected to the junction connector.

Fig 6: Identifying Yaw Rate Sensor Connector Terminals (Front View)

OK : REPLACE YAW RATE SENSOR

NG: REPAIR OR REPLACE YAW RATE SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)