Nissan Maxima Service and Repair Manual: 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 M117 (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 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 ...

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

    Other materials:

    Optical sensor
    Exploded View Optical sensor LH front tweeter speaker grille Optical sensor harness connector LH front tweeter speaker Instrument panel Removal and Installation CAUTION: Whenever a suitable tool is used, always wrap a cloth around the end of the tool to protect components from ...

    P0327, P0328, P0332, P0333 KS
    Description The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the ECM. DTC Logic DTC DETE ...

    Inspection and adjustment
    ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description BEFORE REPLACEMENT When replacing AV control unit, save current vehicle specification with CONSULT configuration before replacement. AFTER REPLACEMENT CAUTION: When replacing AV con ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2021 Copyright www.nimainfo.com
    0.0118