Diagnosis Procedure
- CHECK COMBINATION SWITCH
Check the combination switch. Refer to "SYMPTOM TABLE ".
Is the combination switch normal?
YES: GO TO 2.
NO: Repair or replace the malfunctioning part.
- CHECK HEADLAMP (LO) REQUEST SIGNAL INPUT
CONSULT DATA MONITOR
- Select "HL LO REQ" of IPDM E/R data monitor item.
- With operating the lighting switch, check the monitor status.
Monitor item Condition Monitor status HL LO REQ Lighting switch 2ND On OFF Off Is the item status normal?
YES: GO TO 3.
NO: Replace BCM. Refer to "EXPLODED VIEW ".
- HEADLAMP (LO) CIRCUIT INSPECTION
Check the headlamp (LO) circuit. Refer to "COMPONENT FUNCTION CHECK ".
Is the headlamp (LO) circuit normal?
YES: Replace IPDM E/R.
NO: Repair or replace the malfunctioning part.