P–110
TROUBLESHOOTING (ABS/TCS/DYNAMIC STABILITY CONTROL)
NO.5 TCS OFF LIGHT, TCS INDICATOR LIGHT DO NOT ILLUMINATE WITH IGNITION SWITCH ON
A6E699067650W09
Diagnostic procedure
5 TCS OFF light , TCS indicator light do not illuminate with ignition switch on.
[TROUBLESHOOTING HINTS]
• Malfunction of instrument cluster or ABS/TCS HU/CM
• Improper configuration (ABS/TCS HU/CM)
STEP INSPECTION ACTION
1 INSPECT WIRING HARNESS BETWEEN ABS/
TCS HU/CM AND DLC-2 (DATA LINK
CONNECTOR-2 ) FOR CONTINUITY AND
SHORTS
Activate TRAC_OFF (TCS OFF light) using
WDS or equivalent.
Is error message displayed regarding
communication between ABS/TCS CM and
WDS or equivalent?
Yes If a communication error message is displayed even after
inspecting according to procedures displayed on the WDS
or equivalent, go to Step 6.
No Go to next step.
2 CHECK TCS OFF LIGHT BULB FOR
MALFUNCTIONS BY USING INSPECTION
FUNCTION IN ABS/TCS HU/CM
Activate TRAC_OFF (TCS OFF light) using
WDS or equivalent
Does TCS OFF light illuminate?
Yes Go to next step.
No Go to next step3.
3 COMFIRM DTC U1900 USING WDS OR
EQUIVALENT
• Retrieve DTC from PCM, ABS/TCS and
instrument cluster.
• Is DTC U1900 retrieved?
Yes Go to next step.
No Inspect instrment cluster. If OK, then go to step6.
4 COMFIRM THE FOLLOWING PIDs USING
WDS OR EQUIVALENT:
• ABS_MSG
• PCM_MSG
• Is “not present” massage displayed on WDS
or equivalent?
Yes Replace instrument cluster (open circuit in instrument
cluster).
No Network communication, for related system is malfunction.
Repair or replace as neccessary.
5 COMFIRM DTC B2477 FOR INSTRUMENT
CLUSTER USING WDS OR EQUIVALENT
• Is DTC B2477 retrieved?
Yes
Re
-configure the
instrument cluster.
No Replace ABS/TCS HU/CM.
*
6
INSPECT WIRING HARNESS BETWEEN ABS/
TCS CM AND DLC-2 (DATA LINK
CONNECTOR-2) FOR CONTINUITY
Is there continuity between SST connector
terminal X and data link connector?
Yes Go to next step.
No Repair wiring harness between ABS/TCS HU/CM and data
link connector.
*
7
INSPECT WIRING HARNESS BETWEEN ABS/
TCS HU/CM AND DLC-2 (DATA LINK
CONNECTOR-2) FOR SHORT TO B+
Is voltage approximately 12 V at SST
connector terminal X?
Yes Repair wiring harness between ABS/TCS HU/CM and data
link connector.
No Go to next step.
8 INSPECT WIRING HARNESS BETWEEN ABS/
TCS HU/CM AND DLC-2 (DATA LINK
CONNECTOR-2) FOR SHORT TO GROUND
If there continuity between SST connector
terminal X and ground?
Yes Repair wiring harness between ABS/TCS HU/CM and data
link connector.
No Replace ABS/TCS HU/CM (communication circuit
malfunction in ABS/TCS HU/CM).
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