Diagnosis Procedure

The headlamps (both sides) do not switch to high beam when the combination switch (high beam and turn signal switch) is in the HI or PASS setting.

1. COMBINATION SWITCH (HIGH BEAM AND TURN SIGNAL SWITCH) INSPECTION 

   Check the combination switch (high beam and turn signal switch). Refer to Diagnosis Procedure .

   Is the combination switch (high beam and turn signal switch) normal?

   YES

   GO TO 2.

   NO

   Repair or replace the malfunctioning part.

2. CHECK HEADLAMP (HI) REQUEST SIGNAL INPUT 

   CONSULT DATA MONITOR

   1. Select "HL HI REQ" of IPDM E/R DATA MONITOR item.
   2. While operating the combination switch (high beam and turn signal switch), check the monitor status.

   Monitor item	Condition		Monitor status
   HL HI REQ	Combination switch (high beam and turn signal switch) Lighting switch (2ND)	HI or PASS	ON
   		Except for HI or PASS	OFF

   Is the item status normal?

   YES

   GO TO 3.

   NO

   Replace BCM. Refer to Removal and Installation .

3. 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. Refer to Removal and Installation .

   NO

   Repair or replace the malfunctioning part.