DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
CHECK MULTIPLEX COMMUNICATION SYSTEM
CHECK SLIP INDICATOR LIGHT
INSPECT COMBINATION METER ASSEMBLY
VEHICLE STABILITY CONTROL SYSTEM (w/ VDIM) - Slip Indicator Light does not Come ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN and multiplex communications.
The SLIP indicator blinks during VSC and/or TRC operation.
When the system fails, the SLIP indicator comes on to warn the driver .
The SLIP indicator comes on when traction control is terminated by pressing the traction OFF switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
- When replacing the skid control ECU, perform zero point calibration and store system information .
1.CHECK CAN COMMUNICATION SYSTEM |
Check if the CAN communication system DTC is output ( for LHD, or for RHD).
- Result:
Condition | Proceed to |
DTC is not output | A |
DTC is output | B |
| INSPECT CAN COMMUNICATION SYSTEM |
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2.CHECK MULTIPLEX COMMUNICATION SYSTEM |
Check if the multiplex communication system DTC is output .
- Result:
Condition | Proceed to |
DTC is not output | A |
DTC is output | B |
| INSPECT MULTIPLEX COMMUNICATION SYSTEM |
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3.CHECK SLIP INDICATOR LIGHT |
Connect the intelligent tester to the DLC3.
Select the "Slip Indicator Lamp" in the Active Test and operate the SLIP indicator light by the intelligent tester.
ABS / VSC:Item (Display) | Vehicle Condition / Test Details | Diagnostic Note |
Slip Indicator Lamp |
Turn SLIP indicator light ON / OFF |
Observe combination meter |
Check that "ON" and "OFF" of the SLIP indicator light are indicated on the combination meter when using the intelligent tester.
- OK:
- The SLIP indicator light turns on or off in accordance with the intelligent tester.
- If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part .
4.INSPECT COMBINATION METER ASSEMBLY |
Turn the engine switch off.
Perform Active Test of the combination meter (meter CPU) using the intelligent tester .
- OK:
- The SLIP indicator light turns on or off in accordance with the intelligent tester.
- If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step .
| REPLACE COMBINATION METER ASSEMBLY |
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LEXUS IS250, IS220d / GSE20 ALE20