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Home >> Infiniti >> 1997 >> Q45 Base >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Multiplex Control System >> Description & Operation >> Fail-Safe Control Mode
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Fail-Safe Control Mode

Fail-safe system operates when a signal from LCU is determined to be malfunctioning by BCM. If LCU sends no signal, or sends an abnormal signal to BCM a predetermined amount of times consecutively, system will set LCU in fail-safe condition. During fail-safe condition, all electrical loads controlled by the switch on the questionable LCU will operate in fail-safe mode.