Inspection Procedure

WHEN USING HAND-HELD TESTER 

1. Connect the hand-held tester to the DLC3 and start the engine.
2. Select the item "ABS WARN LIGHT" in the ACTIVE TEST and operate the ABS warning light on the hand-held tester.
3. Check that "ON" and "OFF" of the ABS warning light are shown on the combination meter with the hand-held tester.
   ACTIVE TEST
   
   

   Item	Vehicle Condition / Test Details	Diagnostic Note
   ABS WARN LIGHT	Turns ABS warning light ON / OFF	Observe combination meter

   Standard: 

   The ABS warning 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 skid control ECU connector.
2. Using service wire, connect terminals WA and GND of the skid control ECU harness side connector.
3. Turn the ignition switch to the ON position.
4. Check that the ABS warning light goes off.
   Fig 1: Inspecting Combination Meter Assembly (ABS Warning Light)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard: 

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

1. OK: REPLACE BRAKE ACTUATOR ASSY (See  REPLACEMENT  ) 

NG: Go to Next Step. 

1. Disconnect the combination meter connector C7 and the skid control ECU connector S1.
2. Measure the resistance according to the value(s) in the table below.

   Standard: 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   S1-22 (WA) - C7 - 10	Below 1 Ω
   S1-22 (WA) - Body ground	10 kΩ or higher

   Fig 2: Disconnecting Combination Meter Connector C7 And Skid Control ECU Connector S1

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPAIR OR REPLACE COMBINATION METER ASSEMBLY