Nissan Maxima Service and Repair Manual: U121D AV control unit

U1207 AV control unit

DTC Logic Diagnosis Procedure 1.PERFORM THE SELF-DIAGNOSIS Delete the "self-diagnosis" results of "MULTI AV". Turn ignition switch OFF. Turn ignition switch ON. Perform the self-diagnos ...

U122A AV control unit

DTC Logic Diagnosis Procedure 1.PERFORM THE SELF-DIAGNOSIS When U122A is detected, write configuration data with "MULTI AV" of CONSULT. U122E AV CONTROL UNIT DTC Logic DTC DETECTION LOGIC ...

Other materials:

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 ...

Brake fluid
Inspection LEVEL CHECK Make sure that a brake fluid level in reservoir tank is between MAX and MIN lines as shown. Visually check around reservoir tank for fluid leakage. If the level is excessively low, check brake system for leaks. If brake warning lamp remains illuminated aft ...

Exhaust valve timing control
System Diagram System Description INPUT/OUTPUT SIGNAL CHART *: This signal is sent to the ECM via the CAN Communication line. SYSTEM DESCRIPTION This mechanism magnetically controls cam phases continuously with the fixed operating angle of the exhaust valve. The ECM receives ...