DTC B1317 [AUTO LIGHT/WIPER CONTROL MODULE]


id0902j1830900

DESCRIPTION

High battery power supply voltage

DETECTION CONDITION
•  Auto light/wiper control module power supply circuit voltage is excessively high.
POSSIBLE CAUSE
•  PCM DTC is stored
•  Battery malfunction
•  Generator malfunction
•  Auto light/wiper control module malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
CONFIRM PCM DTC
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
Go to the next step.
2
INSPECT BATTERY
•  Is there any malfunction?
Yes
Recharge or replace the battery, then go to Step 4.
No
Go to the next step.
3
INSPECT GENERATOR
•  Is there any malfunction?
Yes
Replace the generator, then go to the next step.
No
Go to the next step.
4
VERIFY TROUBLESHOOTING COMPLETED
•  Clear the DTC using the M-MDS.
•  Perform the auto light/wiper control module DTC inspection using the M-MDS.
•  Is the same DTC present?
Yes
Replace the auto light/wiper control module, then go to the next step.
No
Go to the next step.
5
VERIFY THAT NO OTHER DTCs ARE RECORDED
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.