Nissan Maxima Service and Repair Manual: ECU diagnosis information

Door switch

Description Detects door open/close condition. Component Function Check 1.CHECK FUNCTION With CONSULT Check door switches DOOR SW-DR, DOOR SW-AS in Data Monitor mode with CONSULT. Diagnosis Pr ...

BCM (body control module)

Reference Value NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and display ...

Other materials:

Headlamp (LO) circuit
Description The IPDM E/R (intelligent power distribution module engine room) controls the headlamp low relay based on inputs from the BCM over the CAN communication lines. When the headlamp low relay is energized, power flows through fuses 51 and 52, located in the IPDM E/R. Power then flows ...

Oil pressure switch signal circuit
Description Detects the engine oil pressure and transmits the oil pressure switch signal to the IPDM E/R. Component Function Check 1.COMBINATION METER INPUT SIGNAL  Select "METER/M&A" on CONSULT.  Monitor "OIL W/L" of "DATA MONITOR" while operating ignition switc ...

C1147, C1148, C1149, C1150 USV/HSV line
Description USV1, USV2 (CUT VALVE) The cut valve shuts off the normal brake fluid path from the master cylinder, when VDC/TCS is activated. HSV1, HSV2 (SUCTION VALVE) The suction valve supplies the brake fluid from the master cylinder to the pump, when VDC/TCS is activated. DTC Logic DTC D ...