High Beam Operation/Flash-to-Pass Operation
WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
With the lighting switch in 2ND position and placed in HIGH or PASS position, the BCM receives input signal requesting the headlamp high beams to illuminate. This input signal is communicated to the IPDM E/R across the CAN communication lines. The CPU of the IPDM E/R controls the headlamp high relay coil and low relay coil, which when energized, directs power
- Through 15A fuse (No. 36, located in the IPDM E/R)
- To IPDM E/R terminal 20
- To front combination lamp RH (headlamp) terminal 3, and
- Through 15A fuse (No. 45, located in the IPDM E/R)
- To IPDM E/R terminal 30
- To front combination lamp LH (headlamp) terminal 3, and
- Through 10A fuse (No. 40, located in the IPDM E/R)
- To IPDM E/R terminal 27
- To front combination lamp RH (headlamp) terminal 7, and
- Through 10A fuse (No. 38, located in the IPDM E/R)
- To IPDM E/R terminal 28
- To front combination lamp LH (headlamp) terminal 7.
Ground is supplied
- To front combination lamp LH and RH (headlamp) terminals 4 and 8
- Through grounds E15 and E24.
With power and ground supplied, the high beam headlamps illuminate.
If voltage is applied to a high beam solenoid, the bulb shade will move and a high beam and a low beam are changed.
The unified meter and A/C amp that received the high beam request signal by BCM across the CAN communication makes the high beam indicator lamp turn on in combination meter.