Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

Diagnosis system (BCM)

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

U1000 CAN comm circuit

Description DTC Logic DTC DETECTION LOGIC NOTE: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic sy ...

Other materials:

M&A 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 combination meter for damage, bend and loose connection (unit side and connector side). 2.CHECK HARNESS FOR OPEN CI ...

Check cooling fan relay
Description The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred via the CAN communication line from BCM to ECM via the IPDM E/R. Component Function Check 1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION Turn ignition switch ON. Connec ...

Tweeter
Description The AV control unit sends audio signals to the tweeters using the front door speaker circuits. Diagnosis Procedure 1.CONNECTOR CHECK Check the AV control unit and speaker connectors for the following: Proper connection Damage Disconnected or loose terminals 2.HARNESS CHE ...