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Both Side Headlamps Do Not Switch To High Beam




BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM

Description

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


Diagnosis Procedure


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

Check the combination switch (lighting and turn signal switch). Combination Switch Output Circuit.
Is the combination switch (lighting 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 (lighting and turn signal switch), check the monitor status.





Is the item status normal?
YES- GO TO 3.
NO- Replace BCM. Service and Repair.

3. HEADLAMP (HI) CIRCUIT INSPECTION

Check the headlamp (HI) circuit. System Description.
Is the headlamp (HI) circuit normal?
YES- Replace IPDM E/R. Service and Repair.
NO- Repair or replace the malfunctioning part.