Slip Indicator Light does not Come ON
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster): Slip Indicator Light does not Come ON
Slip Indicator Light does not Come ON
DESCRIPTION
The SLIP indicator light blinks during VSC and/or TRAC operation.
When the system fails, the SLIP indicator light comes on to warn the driver Vehicle Stability Control System (for Vacuum Brake Booster).
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE: When replacing the brake actuator assembly, perform zero point calibration Vehicle Stability Control System (for Vacuum Brake Booster).
PROCEDURE
1. CHECK SLIP INDICATOR LIGHT
(a) Disconnect the skid control ECU connector.
(b) Turn the ignition switch to ON.
(c) Ground terminal IND of the skid control ECU.
(d) Check that the SLIP indicator light comes on.
OK:
The SLIP indicator light comes on.
(e) Turn the ignition switch off.
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 C9 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) Reconnect the skid control ECU connector.
(b) Connect a Techstream to the DLC3.
(c) Perform Active Test of the combination meter using the Techstream Data List / Active Test.
OK:
The SLIP indicator light turns ON or OFF in accordance with the Techstream.
NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION)