Inspection Procedure

HINT:

Start the inspection from step 1 when using the hand-held tester and start from step  2 when not using the hand-held tester.

1. PERFORM ACTIVE TEST BY HAND-HELD TESTER (TRAC OFF INDICATOR LIGHT) 
   1. Connect the hand-held tester to the DLC3.
   2. Start the engine.
   3. Select the item "TRAC OFF LIGHT" in the ACTIVE TEST and operate the TRAC OFF indicator light on the hand-held tester.
   4. Check that "ON" and "OFF" of the TRAC OFF indicator light can be shown on the combination meter with the hand-held tester.

   NG: Go to step   4 

   OK: GO TO NEXT STEP. 

2. INSPECT TRACTION CONTROL SWITCH 
   1. Remove the TRAC control switch.
   2. Disconnect the TRAC control switch connector T6.
   Fig 1: Disconnecting The TRAC Control Switch Connector T6
   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   3. Measure the resistance according to the value(s) in table below.

   Standard: 

   Fig 2: Resistance Standard Table

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: REPLACE TRACTION CONTROL SWITCH 

   OK: GO TO NEXT STEP. 

3. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - TRAC OFF SWITCH) 
   1. Disconnect the skid control ECU connector S1 and the TRAC control switch connector T6.
   Fig 3: Disconnecting Skid Control ECU Connector S1 And TRAC Control Switch Connector T6
   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Measure the resistance according to the value(s) in Fig 4 .

   Standard: 

   Fig 4: Resistance Standard Table

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

   OK: GO TO NEXT STEP. 

4. INSPECT MULTIPLEX COMMUNICATION SYSTEM (See  PRE-CHECK  ) 

   NG: REPAIR MULTIPLEX COMMUNICATION SYSTEM 

   OK: GO TO NEXT STEP. 

5. CHECK HARNESS AND CONNECTOR (ECM - SKID CONTROL ECU) 
   1. Disconnect the skid control ECU connector S1 and E connector E5.
   Fig 5: Disconnecting Skid Control ECU Connector S1 And E Connector E5
   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Measure the resistance according to the value(s) in Fig 6 .

      Standard: 

      Fig 6: Resistance Standard Table (1 Of 2)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   3. Measure the resistance according to the value(s) in Fig 7 .

   Standard: 

   Fig 7: Resistance Standard Table (1 Of 2)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

   OK: GO TO NEXT STEP. 

6. INSPECT COMBINATION METER ASSEMBLY (See  PRE-CHECK  ) 

NG: REPAIR OR REPLACE COMBINATION METER ASSEMBLY 

OK: REPLACE ABS & TRACTION ACTUATOR ASSY (See  REPLACEMENT  )