Nissan Maxima Service and Repair Manual: U1227 AV control unit

U121D AV control unit

DTC Logic Diagnosis Pro 1.CHECK PLAYBACK OF A DISK (CD) U121E AV CONTROL UNIT DTC Logic Diagnosis Procedure 1.CHECK PLAYBACK OF A DISK (CD) U1225 AV CONTROL UNIT DTC Logic DTC DETECTION ...

U1232 steering angle sensor

DTC Logic Diagnosis Procedu 1.ADJUST THE PREDICTIVE COURSE LINE CENTER POSITION OF THE STEERING ANGLE SENSOR When U1232 is detected, adjust the predictive course line center position of the ...

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Compressor control function
Description PRINCIPLE OF OPERATION A/C compressor is not activated. Functional circuit diagram CAN (1): A/C switch signal : Blower fan motor switch signal CAN (2): A/C compressor request signal RX: A/C switch signal : Fan ON signal : Defroster signal Functional initial inspection chart ...

Sunroof switch
Description Transmits switch operation signal to sunroof motor assembly. Diagnosis Procedure 1.CHECK SUNROOF SWITCH INPUT SIGNAL Turn ignition switch ON. Check voltage between sunroof motor assembly harness connector and ground. 2.CHECK SUNROOF SWITCH CIRCUIT Turn ...

Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW Work Flow OVERALL SEQUENCE DETAILED FLOW 1. GET INFORMATION FOR SYMPTOM Get the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred). 2. CHECK DTC Check DTC. Perform the f ...