Nissan Maxima Service and Repair Manual: U1227 AV control unit

U121D AV control unit

DTC Logic Diagnosis Procedure 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 DETEC ...

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 ...

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Diagnosis and repair work flow
Work Flow INTRODUCTION The TCM receives signals from the vehicle speed sensor and transmission range switch. Then it provides shift control or lock-up control via CVT solenoid valves. The TCM also communicates with the ECM by means of signals sent from sensing elements used with the OBD-r ...

Evaporative emission system
System Diagram System Description *1: ECM determines the start signal status by the signals of engine speed and battery voltage. *2: This signal is sent to the ECM via the CAN communication line. SYSTEM DESCRIPTION The evaporative emission system is used to reduce hydrocarbons emitte ...

STRG 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 steering angle sensor for damage, bend and loose connection (unit side and connector side). 2.CHECK HARNESS FOR OPE ...