Nissan Maxima Service and Repair Manual: ECU diagnosis information

Washer motor circuit

Diagnosis Procedure 1. CHECK FRONT WASHER MOTOR FUSE Turn the ignition switch OFF. Check that the following fuse is not blown. 2. CHECK FRONT WASHER MOTOR POWER SUPPLY Disconnect fro ...

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 IIUser Guide for additional information. Activate and display T ...

Other materials:

P0850 PNP switch
Description When the selector lever position is P or N, park/neutral position (PNP) signal from the TCM is sent to ECM. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.INSPECTION START 2.PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perfo ...

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 loose connection (unit side and connector side). 2. ...

Key cylinder switch
Description The main power window and door lock/unlock switch detects condition of the door key cylinder switch and transmits to BCM as the LOCK or UNLOCK signal. Component Function Check 1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL Check KEY CYL UN-SW, KEY CYL UN-SW in "DATA MONITOR" mode ...