Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

Diagnosis system (bluetooth control unit)

Diagnosis Description The Bluetooth control unit has two diagnostic checks. The first diagnostic check is performed automatically every ignition cycle during control unit initialization. The seco ...

U1000 CAN comm circuit

Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excelle ...

Other materials:

P0500 VSS
Description ECM receives vehicle speed signals from two different paths via CAN communication line: One is from the ABS actuator and electric unit (control unit) via the combination unit and the other is from TCM. DTC Logic DTC DETECTION LOGIC NOTE:  If DTC P0500 is displayed with ...

Combination switch output circuit
Diagnosis Procedure 1. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN Turn the ignition switch OFF. Disconnect the BCM and combination switch. Check continuity between BCM harness connector and combination switch harness connector 2. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT Check ...

Power supply and ground circuit
BCM BCM : 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 Che ...