Nissan Maxima Service and Repair Manual: Occupant classification system control unit

Diagnosis sensor unit

Removal and Installation WARNING: Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 minutes. Before disconnecting the air bag sensor unit harn ...

SRS airbag control system

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Other materials:

Power supply and ground circuit
Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuses or fusible link are blown 2. CHECK POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect BCM. Check voltage between BCM harness connector and ground. 3. CHECK GROUND CIRCUIT Check continuit ...

P1572 ASCD brake switch
Description When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON. ECM detects the state of the brake pedal by those two types of input (ON/OFF signal). Refer to EC-68, "System Diagram" for the ASCD function. DTC Logic DTC DETECTI ...

Communication signal circuit
Description Detects door open/close condition. Diagnosis Procedure 1.CHECK FRONT DOOR SWITCH INPUT SIGNAL Turn ignition switch OFF. Disconnect sunshade motor assembly connector. Turn ignition switch ON. Check signal between sunshade motor assembly harness connector and ground with os ...