PARKING ASSIST MONITOR SYSTEM(for Camera built-in ECU) Image from Camera for Parking Assist Monitor is Abnormal

DTC Code DTC Name
Image from Camera for Parking Assist Monitor is Abnormal

DESCRIPTION

The display signal of the television camera assembly is transmitted to the radio and display receiver assembly.

WIRING DIAGRAM

E340389E07

PROCEDURE

  1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEVISION CAMERA ASSEMBLY)

    1. Disconnect the G159 radio and display receiver assembly connector.

    2. Disconnect the c2 television camera assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G159-11 (CA+) - c2-6 (CB+)

      Always

      Below 1 Ω

      G159-12 (V+) - c2-3 (CV+)

      Always

      Below 1 Ω

      G159-24 (V-) - c2-2 (CV-)

      Always

      Below 1 Ω

      G159-23 (CGND) - c2-5 (CGND)

      Always

      Below 1 Ω

      G159-11 (CA+) - Body ground

      Always

      10 kΩ or higher

      G159-12 (V+) - Body ground

      Always

      10 kΩ or higher

      G159-24 (V-) - Body ground

      Always

      10 kΩ or higher

      G159-23 (CGND) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

    1. E280624C30

      *a

      Component with harness connected

      (Radio and Display Receiver Assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G159-23 (CGND) - Body ground

      Always

      Below 1 Ω

      G159-24 (V-) - Body ground

      Always

      Below 1 Ω

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

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G159-11 (CA+) - Body ground

      Power switch on (IG)

      5.5 to 7.05 V

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    Click here

    OK

  3. CHECK TELEVISION CAMERA ASSEMBLY

    1. Check the waveform of the television camera assembly using an oscilloscope.

      E280623C06

      *a

      Component with harness connected

      (Radio and Display Receiver Assembly)

      *b

      Waveform 1

      *c

      Waveform 2

      *d

      Synchronized Signal

      *e

      Video Waveform

      -

      -
      Tip:

      A waterproof connector is used for the television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected.

      OK

      Waveform is as shown in the illustration.

      Item

      Content

      Terminal No. (Symbol)

      G159-12 (V+) - G159-23 (CGND)

      Tool Setting

      200 mV/DIV., 50 μsec./DIV.

      Condition

      Waveform 1: Power switch on (IG), camera lens is not covered, displaying an image

      Waveform 2: Power switch on (IG), camera lens is covered, blacking out the screen
      Tip:

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

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    Click here

    NG

    REPLACE TELEVISION CAMERA ASSEMBLY

    Click here