ABS Warning Light does not Come ON

BRAKE CONTROL: ANTI-LOCK BRAKE SYSTEM: ABS Warning Light does not Come ON

ABS Warning Light does not Come ON

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. INSPECT ABS WARNING LIGHT
(a) WHEN USING TECHSTREAM
(1) Connect Techstream to the DLC3 and start the engine.
(2) Select the "ABS Warning Light" in the Active Test and operate the ABS warning light by Techstream.

ABS / VSC / TRAC:

(3) Check that "ON" and "OFF" of the ABS warning light can be shown on the combination meter by Techstream.
OK:
The ABS warning light turns on or off in accordance with Techstream.

(b) WHEN NOT USING TECHSTREAM
(1) Turn the ignition switch off and disconnect the connector from the skid control ECU.
(2) Ground terminal WA of the skid control ECU.
(3) Turn the ignition switch to the ON position.
(4) Check the ABS warning light.
OK:

NG -- CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)
OK -- REPLACE BRAKE ACTUATOR ASSEMBLY
2. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)

(a) Disconnect the skid control ECU connector and combination meter connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. INSPECT COMBINATION METER ASSEMBLY
(a) Check combination meter assembly (Initial Inspection and Diagnostic Overview).
NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- REPLACE BRAKE ACTUATOR ASSEMBLY