REAR VIEW MONITOR SYSTEM Image from Camera for Rear View Monitor is Abnormal

DTC Code DTC Name
Image from Camera for Rear View Monitor is Abnormal

DESCRIPTION

The display signal of the television camera assembly is transmitted to the radio and display receiver assembly*1 or navigation ECU sub-assembly*2.

  • *1: w/o Navigation System

  • *2: w/ Navigation System

WIRING DIAGRAM

E271102E03

PROCEDURE

  1. CHECK VEHICLE TYPE

    1. Check the vehicle type.

    Result

    Proceed to

    w/o Navigation System

    w/ Navigation System
    w/ Navigation System

    CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA ASSEMBLY - NAVIGATION ECU SUB-ASSEMBLY AND BODY GROUND)Click here

    w/o Navigation System

  2. CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY AND BODY GROUND)

    1. Disconnect the G144 radio and display receiver assembly connector.

    2. Disconnect the U6 television camera assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G144-7 (CA+) - U6-6 (CB+)

      Always

      Below 1 Ω

      G144-8 (V+) - U6-3 (CV+)

      Always

      Below 1 Ω

      G144-16 (V-) - U6-2 (CV-)

      Always

      Below 1 Ω

      G144-15 (CGND) - U6-5 (CGND)

      Always

      Below 1 Ω

      G141-7 (GND1) - Boby ground

      Always

      Below 1 Ω

      G144-7 (CA+) - Body ground

      Always

      10 kΩ or higher

      G144-8 (V+) - Body ground

      Always

      10 kΩ or higher

      G144-16 (V-) - Body ground

      Always

      10 kΩ or higher

      G144-15 (CGND) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY (V-, CGND, CA+)

    1. E216447C18

      *a

      Component with harness connected

      (Radio and Display Receiver Assembly)

      Reconnect the G144 radio and display receiver assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G144-15 (CGND) - Body ground

      Always

      Below 1 Ω

      G144-16 (V-) - 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

      G144-7 (CA+) - Body ground

      Ignition switch ON, shift lever in R

      5.5 to 7.05 V

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    Click here

    OK

  4. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY (V+, GND1)

    1. Reconnect the U6 television camera assembly connector.

      E271051C07

      *a

      Component with harness connected

      (Radio and Display Receiver Assembly)

      *b

      Waveform 1 (camera lens is not covered, displaying an image)

      *c

      Waveform 2 (camera lens is covered, blacking out the screen)

      *d

      Synchronization Signal

      *e

      Video Waveform

      -

      -

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

      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)

      G144-8 (V+) - G141-7 (GND1)

      Tool Setting

      200 mV/DIV., 50 μsec./DIV.

      Condition

      Ignition switch ON, shift lever in R
      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

  5. CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA ASSEMBLY - NAVIGATION ECU SUB-ASSEMBLY AND BODY GROUND)

    1. Disconnect the G49 navigation ECU sub-assembly connector.

    2. Disconnect the U6 television camera assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G49-7 (CA+) - U6-6 (CB+)

      Always

      Below 1 Ω

      G49-8 (V+) - U6-3 (CV+)

      Always

      Below 1 Ω

      G49-16 (V-) - U6-2 (CV-)

      Always

      Below 1 Ω

      G49-15 (CGND) - U6-5 (CGND)

      Always

      Below 1 Ω

      G137-7 (GND1) - Body ground

      Always

      Below 1 Ω

      G49-7 (CA+) - Body ground

      Always

      10 kΩ or higher

      G49-8 (V+) - Body ground

      Always

      10 kΩ or higher

      G49-16 (V-) - Body ground

      Always

      10 kΩ or higher

      G49-15 (CGND) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. CHECK NAVIGATION ECU SUB-ASSEMBLY (V-, CGND, CA+)

    1. E216447C17

      *a

      Component with harness connected

      (Navigation ECU Sub-assembly)

      Reconnect the G49 navigation ECU sub-assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G49-15 (CGND) - Body ground

      Always

      Below 1 Ω

      G49-16 (V-) - 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

      G49-7 (CA+) - Body ground

      Ignition switch ON, shift lever in R

      5.5 to 7.05 V

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE NAVIGATION ECU SUB-ASSEMBLY

    Click here

    OK

  7. CHECK NAVIGATION ECU SUB-ASSEMBLY (V+, GND1)

    1. Reconnect the U6 television camera assembly connector.

      E271051C08

      *a

      Component with harness connected

      (Navigation ECU Sub-assembly)

      *b

      Waveform 1 (camera lens is not covered, displaying an image)

      *c

      Waveform 2 (camera lens is covered, blacking out the screen)

      *d

      Synchronization Signal

      *e

      Video Waveform

      -

      -

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

      Tip:

      A waterproof connector is used for the television camera assembly. Therefore, inspect the waveform at the navigation ECU sub-assembly with the connector connected.

      OK

      Waveform is as shown in the illustration.

      Item

      Content

      Terminal No. (Symbol)

      G49-8 (V+) - G137-7 (GND1)

      Tool Setting

      200 mV/DIV., 50 μsec./DIV.

      Condition

      Ignition switch ON, shift lever in R
      Tip:

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

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE NAVIGATION ECU SUB-ASSEMBLY

    Click here

    NG

    REPLACE TELEVISION CAMERA ASSEMBLY

    Click here