Nissan Maxima Service and Repair Manual: ECU diagnosis information

Seat belt buckle switch signal circuit

Description Transmits a seat belt buckle switch LH signal to the combination meter. Component Function Check 1. CHECK COMBINATION METER INPUT SIGNAL Start engine. Monitor seat belt warning la ...

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 br ...

Other materials:

Power supply and ground circuit
AV CONTROL UNIT AV CONTROL UNIT : Diagnosis Procedure 1.CHECK FUSES Check that the following fuses of the AV control unit are not blown. 2.POWER SUPPLY CIRCUIT CHECK Disconnect AV control unit connectors M115 and M119. Check voltage between the AV control unit connectors M115 and ...

ABS 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 ABS actuator and electric unit (control unit) for damage, bend and loose connection (unit side and connector side). ...

STRG 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 steering angle sensor for damage, bend and loose connection (unit side and connector side). 2.CHECK HARNESS FOR OPE ...