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