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DTC B2393

id0902b2855300

DTC B2393 | Discharge headlight control module output circuit malfunction
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) • Abnormal output from discharge headlight control module to ignitor.
POSSIBLE CAUSE | • Open circuit, short to ground or short to power circuit in front combination light internal harness

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | INSPECT CONNECTOR CONNECTION • Check fit of discharge headlight control module and headlight connectors on both sides (discharge headlight control module (LH) and (RH)). • Are installation condition and fit okay? | Yes | Go to next step.
No | After correcting fit, clear DTC and check DTC again. • If DTC is displayed again, go to next step.
2 | INSPECT DISCHARGE HEADLIGHT CONTROL MODULE • Replace discharge headlight control module. (See DISCHARGE HEADLIGHT CONTROL MODULE REMOVAL/INSTALLATION) • Does discharge headlight illuminate normally? | Yes | Troubleshooting completed.
No | Ignitor in front combination light may be malfunctioning. Replace front combination light. (See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION)