Fog Lamp Operation

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

The fog lamp switch is built into combination switch. The lighting switch must be in the 2ND position or AUTO position (headlamp is ON) and the fog lamp switch must be ON for fog lamp operation.

With the fog lamp switch in the ON position, the CPU located in the IPDM E/R grounds the coil side of the fog lamp relay. The fog lamp relay then directs power

Through IPDM E/R terminal 37
To front fog lamp LH terminal 1,
Through IPDM E/R terminal 36
To front fog lamp RH terminal 1.

Ground is supplied

To front fog lamp LH terminal 2
Through grounds E21, E50 and E51,
To front fog lamp RH terminal 2
Through grounds E21, E50 and E51.

With power and grounds supplied, front fog lamps illuminate.