Nissan Maxima Service and Repair Manual: ECU diagnosis information

Hazard switch

Component Function Check 1.CHECK HAZARD SWITCH SIGNAL BY CONSULT CONSULT DATA MONITOR Turn ignition switch ON. Select "HAZARD SW" of BCM (FLASHER) DATA MONITOR item. With operating the hazar ...

BCM (body control module)

Reference Value NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and display ...

Other materials:

A-bag branch line circuit
Diagnosis Procedure WARNING: Always observe the following items for preventing accidental activation. Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.) Never use unspecified tester or other measu ...

U1243 display unit
DTC Logic Diagnosis Procedure 1.CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT Check display unit power supply and ground circuit 2.CHECK CONTINUITY OF COMMUNICATION CIRCUIT Turn ignition switch OFF. Disconnect display unit connector M142 and AV control unit connector M163. ...

Battery
How to Handle Battery CAUTION: If it becomes necessary to start the engine with a booster battery and jumper cables, use a 12-volt booster battery. After connecting battery cables, ensure that they are tightly clamped to battery terminals for good contact. Never add distilled wa ...