Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- 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 STEP 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 STEP 3 .
NO
Replace BCM. Refer to REMOVAL AND INSTALLATION .
- HEADLAMP (LO) CIRCUIT INSPECTION
Check the headlamp (LO) circuit. Refer to DIAGNOSIS PROCEDURE .
Is the headlamp (LO) circuit normal?
YES
Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace the malfunctioning part.