DESCRIPTION
This procedure is for troubleshooting when the slip indicator light remains on but no DTCs are output.
The skid control ECU (brake actuator assembly) controls the slip indicator light in the combination meter assembly via CAN communication.
The slip indicator light blinks during VSC and/or TRAC operation.
If a malfunction is detected, the slip indicator light comes on to warn the driver.
PROCEDURE
1. |
CHECK VEHICLE CONTROL HISTORY (RoB) (ELECTRONICALLY CONTROLLED BRAKE SYSTEM AND ELECTRIC PARKING BRAKE SYSTEM) |
(a) Using the GTS, check for Vehicle Control History (RoB).
Chassis > Brake/EPB > Utility
Tester Display |
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Vehicle Control History (RoB) |
HINT:
If vehicle control history (RoB) is stored when the electronically controlled brake system and electric parking brake system are suspended, the slip indicator light illuminates.
Result |
Proceed to |
---|---|
There is no vehicle control history (RoB) for when the electronically controlled brake system and electric parking brake system were suspended. |
A |
There is vehicle control history (RoB) for when the electronically controlled brake system and/or electric parking brake system were suspended. |
B |
B |
PERFORM TROUBLESHOOTING AND REPAIR REGARDING VEHICLE CONTROL HISTORY (RoB) NOTICE: After performing troubleshooting and repair regarding vehicle control history (RoB), clear the vehicle control history (RoB). |
|
2. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Perform the Active Test of the combination meter assembly using the GTS.
Click here
Body Electrical > Combination Meter > Active Test
Tester Display |
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Slip Warning |
(b) Check the combination meter assembly.
OK:
The slip indicator light turns on or off in accordance with GTS operation.
OK |
REPLACE BRAKE ACTUATOR ASSEMBLY |
NG |
INSPECT METER / GAUGE SYSTEM |