Diagnosis Procedure

The headlamps (both sides) do not turn ON in any lighting switch setting.

1. CHECK COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) 

   Check the combination switch (lighting and turn signal switch). Refer to System Description .

   Is the combination switch (lighting and turn signal switch) normal?

   YES

   GO TO 2.

   NO

   Repair or replace the malfunctioning part.

2. CHECK HEADLAMP (LO) REQUEST SIGNAL INPUT 

   CONSULT

   1. Select "HL LO REQ" in "Data Monitor" mode of "IPDM E/R".
   2. 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 BCM : Removal & Installation .

3. 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. Refer to IPDM E/R : Removal & Installation .

   NO

   Repair or replace the malfunctioning part.