DTC B1317 [AUTO LIGHT/WIPER CONTROL MODULE]

id0902j1830900

DTC B1317

Battery voltage high

DETECTION CONDITION

Input voltage from the battery is excessively high

POSSIBLE CAUSE

•  Battery malfunction

•  Generator malfunction

•  Auto light/wiper control module malfunction

DTC B1317	Battery voltage high
DETECTION CONDITION	Input voltage from the battery is excessively high
POSSIBLE CAUSE	• Battery malfunction • Generator malfunction • Auto light/wiper control module malfunction

Diagnostic procedure

STEP	INSPECTION		ACTION
1	INSPECT PCM • Inspect the PCM DTCs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [13B-MSP].) • Is the DTC displayed?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [13B-MSP].) After completing a separate DTC inspection, go to the next step.
1		No	Go to the next step.
2	VERIFY DTC • Clear DTCs using the M-MDS. (See CLEARING DTC [AUTO LIGHT/WIPER CONTROL MODULE].) • Perform the auto light/wiper control module DTC inspection using the M-MDS. (See DTC INSPECTION [AUTO LIGHT/WIPER CONTROL MODULE].) • Is DTC B1317 displayed?	Yes	Replace the auto light/wiper control module, then go to the next step. (See AUTO LIGHT/WIPER CONTROL MODULE REMOVAL/INSTALLATION.)
2		No	Go to the next step.
3	VERIFY THAT NO OTHER DTCs ARE PRESENT • Are there other DTCs output?	Yes	Perform the corresponding DTC inspection. (See DTC TABLE [AUTO LIGHT/WIPER CONTROL MODULE].)
3		No	DTC troubleshooting completed.