ABS Warning Light does not Come ON

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: ABS Warning Light does not Come ON

ABS Warning Light does not Come ON

DESCRIPTION

If any of the following is detected, the ABS warning light remains on.

- The skid control ECU connectors are disconnected from the skid control ECU.
- There is a malfunction in the skid control ECU internal circuit.
- There is an open in the harness between the combination meter and skid control ECU.
HINT: There is a case that Techstream cannot be used when the skid control ECU is abnormal.

WIRING DIAGRAM





INSPECTION PROCEDURE
NOTE: When replacing the master cylinder solenoid, perform zero point calibration Calibration.

PROCEDURE

1. INSPECT ABS WARNING LIGHT
(a) Disconnect the skid control ECU connector.
(b) Turn the ignition switch to the ON position.
(c) Check that the ABS warning light comes on.
OK:
ABS warning light comes on.
OK -- REPLACE MASTER CYLINDER SOLENOID
NG -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)





(a) Disconnect the 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 (WA CIRCUIT)
OK -- Continue to next step.
3. INSPECT COMBINATION METER ASSEMBLY
(a) Check the combination meter system Meter / Gauge System.
NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- END