Nissan Maxima Service and Repair Manual: ECU diagnosis information

Washer level switch signal circuit

Description Transmits the washer fluid level switch signal to the combination meter. Component Function Check 1.COMBINATION METER INPUT SIGNAL  Select "METER/M&A" on CONSULT. ...

Combination meter

Reference Value VALUES ON THE DIAGNOSIS TOOL NOTE: * The monitor will indicate "OFF" even though the brake warning lamp is on if either of the following conditions exist: The parking ...

Other materials:

Cooling fan control
System Diagram System Description INPUT/OUTPUT SIGNAL CHART *1: The ECM determines the start signal status by the signals of engine speed and battery voltage. *2: This signal is sent to ECM via the CAN communication line. SYSTEM DESCRIPTION The ECM controls the cooling fan correspon ...

VDC off indicator lamp
Description Component Function Check 1.VDC OFF INDICATOR LAMP OPERATION CHECK 1 Check that the lamp illuminates for approximately 2 seconds after the ignition switch is turned ON. 2.VDC OFF INDICATOR LAMP OPERATION CHECK 2 Check that the VDC OFF indicator lamp in the combination meter tur ...

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