PARKING ASSIST MONITOR SYSTEM Image from Camera for Parking Assist Monitor is Abnormal

DESCRIPTION

The video signal from the rear television camera assembly is transmitted to the accessory meter assembly (for 12.3 Inch) or multi-display (for 8 Inch) via the multi-media module receiver assembly.

WIRING DIAGRAM

A01FQP6E02

INSPECTION PROCEDURE

Note


  • When "System initializing" is displayed on the accessory meter assembly (for 12.3 Inch) or multi-display (for 8 Inch) after disconnecting the cable from the negative (-) auxiliary battery terminal, correct the steering angle neutral point Click here.

  • Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the parking assist monitor system may be needed Click here.

Tech Tips

Images may be unclear even in normal conditions if:


  • Electrical devices are used in the cabin (noise may occur in the image).

  • Accessories that generate radio waves have been installed (noise may occur in the image).

  • The outer mirror switch assembly is operated (noise may occur in the image).

  • The accessory meter assembly (for 12.3 Inch) or multi-display (for 8 Inch) is cold (the image immediately after turning the power switch on (IG) may be blurred or darker than normal).

  • The camera lens is dirty with snow, mud, etc.

  • A strong beam of light, such as a sunbeam or headlight, hits the camera.

  • It is too dark around the camera (at night etc.).

  • The ambient temperature around the camera is either too high or too low.

  • The vehicle is tilted at a steep angle.

  • The rear television camera assembly lens is scratched.

  • The rear television camera assembly lens has drops of water on it or the humidity is high.

  • When the camera is used under fluorescent lights, sodium lights, or mercury lights etc., the lights and the illuminated area may appear to flicker.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)


    1. Disconnect the N164 multi-media module receiver assembly connector.

    2. Disconnect the a5 rear television camera assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      N164-19 (V-) - a5-2 (CV-) Always Below 1 Ω
      N164-18 (V+) - a5-3 (CV+) Always Below 1 Ω
      N164-40 (CGND) - a5-5 (CGND) Always Below 1 Ω
      N164-39 (CA+) - a5-6 (CB+) Always Below 1 Ω
      N164-19 (V-) or a5-2 (CV-) - Body ground Always 10 kΩ or higher
      N164-18 (V+) or a5-3 (CV+) - Body ground Always 10 kΩ or higher
      N164-40 (CGND) or a5-5 (CGND) - Body ground Always 10 kΩ or higher
      N164-39 (CA+) or a5-6 (CB+) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY (CA+, CGND)


    1. A01FRZCE49
      Text in Illustration
      *a

      Component with harness connected

      (Multi-media Module Receiver Assembly)

      Remove the multi-media module receiver assembly with the connector still connected.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      N164-40 (CGND) - Body ground Always Below 1 Ω

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      N164-39 (CA+) - N164-40 (CGND) Power switch on (ACC) 5.5 to 7.05 V

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

  3. CHECK REAR TELEVISION CAMERA ASSEMBLY


    1. Remove the multi-media module receiver assembly with the connector still connected.

      A01FUERE10
      Text in Illustration
      *a

      Component with harness connected

      (Multi-media Module Receiver Assembly)

      		 *b Waveform 1
      *c Waveform 2 *d Synchronization Signal
      *e Video Waveform - -

    2. Check the waveform of the rear television camera assembly using an oscilloscope.

      Tech Tips

      A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the multi-media module receiver assembly with the connector connected.

      Item Content
      Terminal No. (Symbol) N164-18 (V+) - N164-40 (CGND)
      Tool Setting 0.2 V/DIV., 50 μs/DIV.
      Condition

      Waveform 1: Power switch on (READY), shift lever in R, camera lens is not covered, displaying an image)

      Waveform 2: Power switch on (READY), shift lever in R, camera lens is covered, blacking out the screen)

      Tech Tips

      The video waveform changes according to the image sent by the rear television camera assembly.

      OK
      Waveform is as shown in the illustration.

    NG

    REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (GVIF CABLE)


    1. Replace the harness and connector (GVIF cable) with a new or normally functioning one.

    2. Check the parking assist monitor system operates normally.

      OK
      Parking assist monitor system operates normally.

    NG

    REPLACE HARNESS AND CONNECTOR (GVIF CABLE)

    OK

  5. CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY


    1. Replace the multi-media module receiver assembly with a new or normally functioning one Click here.

    2. Check the parking assist monitor system operates normally.

      OK
      Parking assist monitor system operates normally.
      Result
      Result Proceed to
      OK A
      NG (for 12.3 Inch) B
      NG (for 8 Inch) C

    B

    REPLACE MULTI-DISPLAY Click here

    C

    REPLACE ACCESSORY METER ASSEMBLY Click here

    A

    END (MULTI-MEDIA MODULE RECEIVER ASSEMBLY IS DEFECTIVE)