DTC B2392


DTC B2392	Discharge headlight Input voltage high
DETECTION CONDITION	Warning • Incorrect servicing of the discharge headlight control module could result in electrical shock. Before servicing the discharge headlight control module, always refer to "Discharge headlight service warnings". (See DISCHARGE HEADLIGHT SERVICE WARNINGS) • Voltage detected at discharge headlight control module terminals D is more than 19 V.
POSSIBLE CAUSE	• Short to power circuit between generator and PCM • Generator malfunction • Battery malfunction • Discharge headlight control module malfunction


STEP	INSPECTION		ACTION
1	INSPECT BATTERY VOLTAGE • Measure battery voltage. • Is voltage less than 19 V?	Yes	Go to next step.
1		No	Inspect charging system.
2	INSPECT DISCHARGE HEADLIGHT CONTROL MODULE • Clear DTC. • Read DTCs using SST (WDS or equivalent). • Is DTC B2392 displayed again?	Yes	Replace discharge headlight control module. (See DISCHARGE HEADLIGHT CONTROL MODULE REMOVAL/INSTALLATION)
2		No	Troubleshooting completed.