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HEADLAMP (LO) CIRCUIT EXL-229 < DTC/CIRCUIT DIAGNOSIS > [HALOGEN HEADLAMP] C D E F G H I J K M A B EXL N O P HEADLAMP (LO) CIRCUIT Component Function Check INFOID:0000000010121449 1. CHECK HEADLAMP (LO) OPERATION CONSULT ACTIVE TEST 1. Select “EXTERNAL LAMPS” in “Active Test” of “IPDM E/R”. 2. While operating the test items, check that the headlamp (LO) is turned ON. Is the inspection result normal? YES >> Headlamp (LO) circuit is normal. NO >> Refer to EXL-229, "Diagnosis Procedure" . Diagnosis Procedure INFOID:0000000010121450 Regarding Wiring Diagram information. Refer to 1. CHECK HEADLAMP (LO) OUTPUT VOLTAGE CONSULT ACTIVE TEST 1. Turn power switch OFF. 2. Disconnect front combination lamp connector. 3. Turn power switch ON. 4. Select “EXTERNAL LAMPS” in “Active Test” of “IPDM E/R”. 5. While operating the test items, check voltage between IPDM E/R harness connector and ground. Is the inspection result normal? YES >> GO TO 2. NO >> GO TO 3. 2. CHECK HEADLAMP (LO) OPEN CIRCUIT 1. Turn power switch OFF. 2. Disconnect IPDM E/R connector. 3. Check continuity between IPDM E/R harness connector and front combination lamp harness connector. Is the inspection result normal? YES >> Replace headlamp bulb. NO >> Repair or replace harness. Lo : Headlamp (LO) ON Off : Headlamp (LO) OFF (+) ( −) Test item Voltage (Approx.) IPDM E/R Connector Terminal RH E15 52 Ground EXTERNAL LAMPS Lo Battery voltage Off 0 V LH 51 Lo Battery voltage Off 0 V IPDM E/R Front combination lamp Continuity Connector Terminal Connector Terminal RH E15 52 E45 6 Yes LH 51 E26 |