Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

Diagnosis system (BCM)

COMMON ITEM COMMON ITEM : CONSULT Function (BCM - COMMON ITE APPLICATION ITEM CONSULT performs the following functions via CAN communication with BC SYSTEM APPLICATION BCM can perform the follo ...

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. Disconnec ...

Other materials:

P0840 transmission fluid pressure SEN/SW A
The secondary pressure sensor detects secondary pressure of CVT and sends a signal to the TCM. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE NOTE: Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn ignition switch OFF. Then wait at least 10 seconds b ...

Communication signal circuit
Description Detects door open/close condition. Diagnosis Procedure 1.CHECK FRONT DOOR SWITCH INPUT SIGNAL Turn ignition switch OFF. Disconnect sunshade motor assembly connector. Turn ignition switch ON. Check signal between sunshade motor assembly harness connector and ground with os ...

Diagnosis system (TCM)
CONSULT Function FUNCTION CONSULT can display each diagnostic item using the diagnostic test modes shown following. WORK SUPPORT MODE Display Item List Engine Brake Adjustment CAUTION: Mode of "+1""0""−1""−2""OFF" can be selected by touching "UP"or "DOWN" on CONSULT screen ...