Nissan Maxima Service and Repair Manual: U1300 AV comm circuit

Description

U1300 is indicated when a communication signal malfunction occurs. U1300 is indicated along with DTCs that identify components connected to the AV control unit through communication lines. Determine the possible malfunction cause from the table below.

SELF-DIAGNOSIS RESULTS DISPLAY ITEM

Nissan Maxima. SELF-DIAGNOSIS RESULTS DISPLAY ITEM

    U1255 satellite radio tuner
    Description DTC Logic Diagnosis Procedure 1.CHECK SATELLITE RADIO TUNER POWER SUPPLY AND GROUND CIRCUIT Check satellite radio tuner power supply and ground circuit. 2.CHECK CONTINUITY COM ...

    U1310 AV control unit
    Description DTC Logic ...

    Other materials:

    Power supply and ground circuit
    Description EPS system functions by ignition power supply. Diagnosis Procedure 1.CHECK POWER SUPPLY Turn the ignition switch OFF. Disconnect power steering control unit connector. Turn the ignition switch ON. Check voltage between power steering control unit connectorM59 terminal 3 ...

    Normal operating condition
    Description FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED) If the engine speed is above 2,000 rpm under no load (for example, the selector lever position is P or N and engine speed is over 2,000 rpm) fuel will be cut off after some time. The exact time when the fuel is cut off varies ...

    Blower motor control system
    System Diagram System Description Fan speed is automatically controlled by the temperature setting, ambient temperature, in-vehicle temperature, intake temperature, amount of sunload and air mix door position. By pressing the AUTO switch, the blower motor starts to gradually increase a ...

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