Nissan Maxima Service and Repair Manual: ECU diagnosis information

Steering switch

Description When one of the steering wheel audio control switches is pushed, the resistance in the steering wheel audio control switch circuit changes, depending on which button is pushed. Diagn ...

AV control unit

Reference Value VALUES ON THE DIAGNOSIS TOOL CONSULT data monitor item TERMINAL LAYOUT PHYSICAL VALUES DTC Index SELF-DIAGNOSIS RESULTS DISPLAY ITEM ...

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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 ...

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 M152 and M156. Check voltage between the AV control unit connectors M152 an ...

Automatic air conditioner system
System Diagram CONTROL SYSTEM The control system consists of input sensors, switches, the A/C auto amp. (microcomputer) and outputs. The relationship of these components is as shown in the figure below: System Description CONTROL OPERATION Display The operation status of the HVAC system ...