DTC C0089:64 [DYNAMIC STABILITY CONTROL (DSC)]

id0402b2906500

DTC
C0089:64
Without Off-road Traction Assist
•  TCS OFF switch
With Off-road Traction Assist
•  Off-road Traction Assist switch
DETECTION CONDITION
•  Continuous ON signal from the TCS OFF switch (Without Off-road Traction Assist)/Off-road Traction Assist switch (With Off-road Traction Assist) for 10 s or more is detected.
FAIL-SAFE FUNCTION
Refer to “DTC Table” and “Fail-safe function table”. (See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)].)
POSSIBLE CAUSE
•  The driver pressed and held the TCS OFF switch (Without Off-road Traction Assist)/Off-road Traction Assist switch (With Off-road Traction Assist) for 10 s or more.
•  Short to ground in the wiring harness between the instrument cluster terminal V and cluster switch terminal B
•  Open circuit in wiring harness between cluster switch terminal C and body ground
•  Cluster switch malfunction
―  TCS OFF switch malfunction (Without Off-road Traction Assist)
―  Off-road Traction Assist switch malfunction (With Off-road Traction Assist)
•  Poor connection at connectors (female terminal)

Diagnostic procedure

STEP

INSPECTION

ACTION
1
INSPECT FOR INSTRUMENT CLUSTER MALFUNCTION
•  Switch the ignition to off.
•  Using the M-MDS, perform the DTC inspection for the instrument cluster.
•  Are any DTCs detected?
Yes
Go to applicable DTC inspection.
(See DTC TABLE [INSTRUMENT CLUSTER].)
No
Go to the next step.
2
INSPECT TCS OFF SWITCH (WITHOUT OFF-ROAD TRACTION ASSIST)/OFF-ROAD TRACTION ASSIST SWITCH (WITH OFF-ROAD TRACTION ASSIST) SIGNAL CIRCUIT FOR SHORT TO GROUND
•  Disconnect the cluster switch.
•  Disconnect the instrument cluster connector.
•  Inspect for continuity between the cluster switch connector terminal B (vehicle harness-side) and body ground.
•  Is there continuity?
Yes
Repair or replace the wiring harness, then go to Step 5.
No
Go to the next step.
3
INSPECT TCS OFF SWITCH (WITHOUT OFF-ROAD TRACTION ASSIST)/OFF-ROAD TRACTION ASSIST SWITCH (WITH OFF-ROAD TRACTION ASSIST) SIGNAL CIRCUIT FOR OPEN CIRCUIT
•  Inspect for continuity between the cluster switch connector terminal C (vehicle harness-side) and body ground.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness, then go to Step 5.
4
INSPECT TCS OFF SWITCH (WITHOUT OFF-ROAD TRACTION ASSIST)/OFF-ROAD TRACTION ASSIST SWITCH (WITH OFF-ROAD TRACTION ASSIST)
•  Inspect the TCS OFF switch (Without Off-road Traction Assist)/Off-road Traction Assist switch (With Off-road Traction Assist).
•  Is the TCS OFF switch (Without Off-road Traction Assist)/Off-road Traction Assist switch (With Off-road Traction Assist) normal?
Yes
Go to the next step.
No
Replace the cluster switch, then go to the next step.
(See CLUSTER SWITCH REMOVAL/INSTALLATION.)
5
VERIFY THAT THE SAME DTC IS NOT PRESENT
•  Reconnect all disconnected connectors.
•  Clear the DTCs from the memory.
•  Are the same DTCs present?
Yes
Repeat the inspection from Step 1.
No
Go to the next step.
6
VERIFY THAT NO OTHER DTCS ARE PRESENT
•  Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)].)
No
DTC troubleshooting completed.