Inspection Procedure

1. Check if a CAN communication system DTC is output (See DTC CHECK/CLEAR  ).

   Result 

   RESULT REFERENCE TABLE
   
   

   Condition	Proceed to
   CAN communication system DTC is not output	A
   CAN communication system DTC is output	B

B: INSPECT CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

A: Go to Next Step 

1. Check if a multiplex communication system DTC is output (See DTC CHECK/CLEAR ).

   Result 

   RESULT REFERENCE
   
   

   Condition	Proceed to
   Multiplex communication system DTC is not output	A
   Multiplex communication system DTC is output	B

B: INSPECT MULTIPLEX COMMUNICATION SYSTEM  (See DTC CHECK/CLEAR )

A: Go to Next Step 

1. Disconnect the traction OFF switch connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   STANDARD RESISTANCE SPECIFICATION TABLE
   
   

   Tester Connection	Condition	Specified Condition
   T6-2 - T6-1	Switch is pressed	Below 1 Ω
   T6-2 - T6-1	Switch is not pressed	10 kΩ or higher

   Fig 1: Identifying Traction Off Switch Connector Terminal

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE TRACTION OFF SWITCH 

OK: Go to Next Step 

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

   Standard resistance 

   STANDARD RESISTANCE SPECIFICATION TABLE
   
   

   Tester Connection	Condition	Specified Condition
   T6-1 - Body ground	Always	Below 1 Ω

   Fig 2: Identifying Traction Off Switch (Ground Terminal)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT) 

OK: Go to Next Step 

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

   Standard resistance 

   STANDARD RESISTANCE SPECIFICATION TABLE
   
   

   Tester Connection	Condition	Specified Condition
   S1 - 43 (CSW) - T6-2	Always	Below 1 Ω
   S1 - 43 (CSW) - Body ground	Always	10 kΩ or higher

   Fig 3: Identifying Skid Control ECU & Traction Off Switch Connector Terminal

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (SKID CONTROL ECU - TRACTION OFF SWITCH) 

OK: Go to Next Step 

1. Reconnect the skid control ECU connector and the traction OFF switch connector.
2. Perform Active Test of the combination meter (meter CPU) using the intelligent tester (See DATA LIST/ACTIVE TEST ).

   OK: 

   The TRAC OFF indicator light blinks or off in accordance with the intelligent tester. 

   HINT:

   If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part (See PROBLEM SYMPTOMS TABLE  ).

NG: REPLACE COMBINATION METER ASSEMBLY  (See REMOVAL )

OK: REPLACE BRAKE ACTUATOR ASSEMBLY  (See REMOVAL  )