System Description

SYSTEM

System Description


Operation Description

- When rear window defogger switch is turned ON while ignition switch is ON, the A/C and AV switch assembly transmits rear window defogger switch signal to BCM.
- BCM turns rear window defogger relay ON when rear window defogger switch signal is received.
- Rear window defogger and door mirror defogger are supplied with power and operate when rear window defogger relay turns ON.
- BCM transmits rear window defogger control signal to A/C and AV switch assembly when rear window defogger operates.
- Rear window defogger ON is displayed when signal is received.
- BCM transmits rear window defogger control signal to AV control unit via CAN communication when rear window defogger operates.

Timer function

- BCM turns rear window defogger relay ON for approximately 15 minutes when rear window defogger switch is turned ON while ignition switch is ON. It makes rear window defogger and door mirror defogger (with door mirror defogger) operate.
- Timer is canceled after pressing rear window defogger switch again during timer operation. Then BCM turns rear window defogger relay OFF. The same reaction also occurs during timer operation, if the ignition switch is turned OFF.

INPUT/OUTPUT SIGNAL CHART






Revision: March 20122013 Infiniti JX