Inspection Procedure

WHEN USING HAND-HELD TESTER: 

1. Connect the hand-held tester to the DLC3.
2. Start the engine.
3. Select the "SLIP INDI LIGHT" in the ACTIVE TEST and operate the SLIP indicator light on the hand-held tester.
   SLIP INDICATOR LIGHT (USING HAND-HELD TESTER)
   
   

   Item	Vehicle Condition / Test Details	Diagnostic Note
   SLIP INDI LIGHT	Turns SLIP indicator light ON / OFF	Observe combination meter

4. Check that "ON" and "OFF" of the SLIP indicator light can be shown on the combination meter by the hand-held tester.

OK: 

The SLIP indicator light is turned ON or OFF in accordance with the hand-held tester. 

WHEN NOT USING HAND-HELD TESTER: 

1. Turn the ignition switch off and disconnect the connector from the skid control ECU.
2. Ground terminal IND of the skid control ECU.
3. Turn the ignition switch to the ON position.
4. Check that the SLIP indicator light comes on.
Fig 1: View Of Skid Control ECU Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: 

The light ON or OFF in accordance with the connecting condition of terminals GND and IND. 

NG: Go to step 2 

OK: REPLACE BRAKE ACTUATOR ASSY (See step 3 in REPLACEMENT  ) 

1. Disconnect the skid control ECU connector S1 and combination meter connector C8.
2. Measure the resistance according to the value(s) in SKID CONTROL ECU - COMBINATION METER (1 OF 2)  .

   Standard: 

   SKID CONTROL ECU - COMBINATION METER (1 OF 2)
   
   

   Tester Connection	Specified Condition
   S1-34 (IND) - C8-13	Below 1

3. Measure the resistance according to the value(s) in SKID CONTROL ECU - COMBINATION METER (2 OF 2)  .

Standard: 

Fig 2: Checking Harness And Connector (Skid Control ECU - Combination Meter)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Check combination meter assy (See COMBINATION METER ).

NG: REPAIR OR REPLACE COMBINATION METER ASSEMBLY (See step 11 in REPLACEMENT  ) 

OK: REPLACE BRAKE ACTUATOR ASSY (See step 3 in REPLACEMENT  )