Nissan Maxima Service and Repair Manual: ECU diagnosis information

Door switch

Description Detects door open/close condition. Component Function Check 1.CHECK FUNCTION With CONSULT Check door switches DOOR SW-DR, DOOR SW-AS in Data Monitor mode with CONSULT. Diagnosis Pr ...

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:

B26e1 no reception of engine status signal
Description BCM receives the engine status signal from ECM via CAN communication. DTC Logic DTC DETECTION LOGIC NOTE: If DTC B26E1 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-29, "DTC Logic". If DTC B26E1 is displayed with D ...

Step lamp circuit
Description Controls the step lamp (ground side) to turn the step lamp ON and OFF. Component Function Check CAUTION: Before performing the diagnosis, check that the following is normal. Battery saver output/power supply Step lamp bulbs 1.CHECK STEP LAMP OPERATION CONSULT Turn igni ...

Composite image signal circuit
Description AV control unit transmits the playback DVD image signal and AUX image signal to the display unit. Diagnosis Procedure 1.CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT Turn ignition switch OFF. Disconnect AV control unit connector M163 and display unit connector M142 ...