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HEADLAMP (LO) CIRCUIT EXL-43 < DTC/CIRCUIT DIAGNOSIS > C D E F G H I J K M A B EXL N O P 1. Turn the ignition switch OFF. 2. Disconnect the front combination lamp connector. 3. Turn the ignition switch ON. 4. Turn the low beam headlamps ON. 5. With the low beam headlamps ON, check the voltage between the combination lamp connector and ground. Is voltage reading as specified? YES >> GO TO 4. NO >> GO TO 3. 3. CHECK HEADLAMP (LO) CIRCUIT FOR OPEN 1. Turn the ignition switch OFF. 2. Disconnect IPDM E/R connector E123. 3. Check continuity between the IPDM E/R harness connector (A) and the front combination lamp harness connector (B). Does continuity exist? YES >> Replace IPDM E/R. Refer to PCS-28, "Removal and Installation of IPDM E/R" . NO >> Repair the harnesses or connectors. 4. CHECK FRONT COMBINATION LAMP (LO) GROUND CIRCUIT Check continuity between the front combination lamp harness con- nector terminal and ground. Does continuity exist? YES >> Inspect the headlamp bulb. NO >> Repair the harness. Diagnosis Procedure - With Daytime Light System INFOID:0000000006179029 Regarding Wiring Diagram information, refer to . 1. CHECK HEADLAMP (LO) FUSES 1. Turn the ignition switch OFF. 2. Check that the following fuses are not open. (+) ( −) Voltage Connector Terminal LH E11 1 Ground Battery voltage RH E107 1 ALLIA0389GB A B Continuity Connector Terminal Connector Terminal LH E123 52 E11 1 Yes RH 54 E107 1 ALLIA0390GB Connector Terminal — Continuity LH E11 4 Ground Yes RH E107 4 ALLIA0391GB |