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HEADLAMP (FOR USA) LT-25 C D E F G H I J L M A B LT Lighting Switch (AUTO) System Check NKS0017F 1. CHECK LIGHTING SWITCH AUTO SIGNAL With CONSULT-II ● Operate the lighting switch via “AUTO LIGHT SW” on DATA Without CONSULT-II ● Operate the lighting switch via “switch monitor” of self-diagnosis function make sure that the lamp turns on OK or NG OK >> Lighting switch (AUTO) is OK. NG >> GO TO 2. 2. CHECK WIRE HARNESS CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect BCM connector and lighting switch connector. 3. Check continuity between harness between BCM harness con- 4. Check continuity between BCM harness connector M4 terminal OK or NG OK >> GO TO 3. NG >> Repair harness or connector. 3. CHECK LIGHTING SWITCH Check continuity of the lighting switch. Refer to LT-28, "Switch Circuit Inspection" . OK or NG OK >> Replace BCM. NG >> Replace lighting switch. Lighting switch AUTO : AUTO LIGHT SW ON Lighting switch OFF : AUTO LIGHT SW OFF SKIA0451E 14 - 42 : Continuity should exist. 14 - Ground : Continuity should not exist. PKIA5129E |