Nissan Maxima Service and Repair Manual: ECM branch line circuit

Main line between A-bag and ABS circuit

Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and ...

BCM branch line circuit

Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the BCM for damage, bend and ...

Other materials:

Multifunction switch 
Removal and Installation  REMOVAL Remove cluster lid D. Refer to IP-10, "Exploded View". Remove the four multifunction switch screws (A) and remove the multifunction switch (2) from cluster lid D (1). : Metal clip  INSTALLATION Installation is in the reverse order of r ...

B1049 - B1052, B1054 - B1057 driver airbag module
Description DTC B1049 - B1052, B1054 - B1057 DRIVER AIRBAG MODULE The driver air bag module is dual stage and wired to the air bag diagnosis sensor unit through the spiral cable.The air bag diagnosis sensor unit will monitor for opens and shorts in detected lines to the driver air bag module ...

P0603 ECM power supply
Description Battery voltage is supplied to the ECM even when the ignition switch is turned OFF for the ECM memory function of the DTC memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc. DTC Logic DTC DETECTION LOGIC DTC CON ...