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DEF-6 < SYSTEM DESCRIPTION > SYSTEM SYSTEM REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER : System Diagram INFOID:0000000006067606 REAR WINDOW DEFOGGER : System Description INFOID:0000000006067607 OPERATION DESCRIPTION • Turn rear window defogger switch ON when the ignition switch is turned ON. Then A/C auto amp. (with auto A/C) or A/C control (with manual A/C) transmits rear window defogger switch signal to BCM. • BCM turns rear window defogger relay ON when rear window defogger switch signal is received. 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 operate. • The timer is cancelled if the rear window defogger switch is pressed again during timer operation. BCM stops the output of rear window defogger switch signal. The same action occurs during timer operation if the JMLIA1019GB |