Nissan Maxima Service and Repair Manual: U1243 display unit

Nissan Maxima Service and Repair Manual / Driver information & multimedia / Audio, visual & navigation system / DTC/circuit diagnosis / U1243 display unit

Description

Part name  Description 
DISPLAY UNIT 
  • Display image is controlled by the serial communication from AV control unit.
  • Inputs the RGB image signal (RGB, RGB area and RGB synchronizing) from AV control unit and the auxiliary image signal from the auxiliary input jacks.
  • Outputs the synchronizing signals (HP and VP) to the AV control unit 

DTC Logic

Nissan Maxima. DTC Logic

Diagnosis Procedure

1.CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT

Check display unit power supply and ground circuit

2.CHECK CONTINUITY OF COMMUNICATION CIRCUIT

Nissan Maxima. CHECK CONTINUITY OF COMMUNICATION CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect display unit connector and AV control unit connector.
  3. Check continuity between display unit harness connector M141 (A) terminals 11, 22 and AV control unit harness connector M154 (B) terminals 56, 44.
  4. Check continuity between display unit harness connector M141 (A) terminals 11, 22 and ground.

Nissan Maxima. CHECK CONTINUITY OF COMMUNICATION CIRCUIT

Nissan Maxima. CHECK CONTINUITY OF COMMUNICATION CIRCUIT

3.CHECK COMMUNICATION SIGNAL

Nissan Maxima. CHECK COMMUNICATION SIGNAL

  1. Connect display unit connector and AV control unit connector.
  2. Turn ignition switch ON.
  3. Check signal between display unit harness connector M141 terminal 11 and ground with an oscilloscope or CONSULT.

Nissan Maxima. CHECK COMMUNICATION SIGNAL

4.CHECK COMMUNICATION SIGNAL

Nissan Maxima. CHECK COMMUNICATION SIGNAL

Check signal between display unit harness connector M141 terminal 22 and ground with an oscilloscope or CONSULT.

Nissan Maxima. CHECK COMMUNICATION SIGNAL

    U1232 steering angle sensor
    DTC Logic Diagnosis Procedure 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 s ...

    U1263 USB
    DTC Logic Diagnosis Procedure 1.CHECK USB HARNESS Visually check USB harness. ...

    Other materials:

    Hood
    HOOD ASSEMBLY HOOD ASSEMBLY : Exploded View Hood hinge cover (LH) Hood stay (LH) Hood hinge (LH) Hood assembly Hood bumper rubber Seal Hood insulator Hood insulator clips HOOD ASSEMBLY : Removal and Installation CAUTION: Use two people when removing or installi ...

    Slip indicator lamp
    Description Component Function Check 1.CHECK SLIP INDICATOR LAMP OPERATION Check that the lamp illuminates for approximately 2 seconds after the ignition switch is turned ON. Diagnosis Procedure 1.CHECK SELF-DIAGNOSIS Perform ABS actuator and electric unit (control unit) self-diagnosis ...

    U0101 can comm circuit
    Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0049