Rear View Monitor System (For Radio And Display Type) Display Signal Circuit Between Radio And Display Assembly And Television Camera Assembly

Audio Visual Telematics. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Park Assist Monitoring. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

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

CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

CHECK REAR TELEVISION CAMERA ASSEMBLY

REAR VIEW MONITOR SYSTEM (for Radio and Display Type) - Display Signal Circuit between Radio and Display Assembly and Television Camera Assembly


DESCRIPTION

The display signal from the rear television camera assembly transmits to the radio and display receiver assembly.

WIRING DIAGRAM


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Park Assist Monitoring.Rear View Monitor System (For Radio And Display Type).Rear View Monitor System (For Radio And Display Type) Display Signal Circuit Between Radio And Display Assembly And Television Camera Assembly


INSPECTION PROCEDURE

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

  1. Disconnect the G2 radio and display receiver assembly connector.

  1. Disconnect the M2 rear television camera assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    G2-7 (CA+) - M2-4 (CB+)
    		Always
    		Below 1 Ω
    G2-8 (V+) - M2-2 (CV+)
    		Always
    		Below 1 Ω
    G2-15 (CGND) - M2-3 (CGND)
    		Always
    		Below 1 Ω
    G2-16 (V-) - M2-1 (CV-)
    		Always
    		Below 1 Ω
    G2-7 (CA+) - Body ground
    		Always
    		10 kΩ or higher
    G2-8 (V+) - Body ground
    		Always
    		10 kΩ or higher
    G2-15 (CGND) - Body ground
    		Always
    		10 kΩ or higher
    G2-16 (V-) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


2.CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Park Assist Monitoring.Rear View Monitor System (For Radio And Display Type).Rear View Monitor System (For Radio And Display Type) Display Signal Circuit Between Radio And Display Assembly And Television Camera Assembly

  1. Disconnect the G2 radio and display receiver assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    G2-16 (V-) - Body ground
    		Always
    		Below 1 Ω
    G2-15 (CGND) - Body ground
    		Always
    		Below 1 Ω
    Text in Illustration
    *a
    		Component without harness connected
    (Radio and Display Receiver Assembly)


NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (HILUX_TGN26 RM000003OG900VX.html)
OK


3.CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Park Assist Monitoring.Rear View Monitor System (For Radio And Display Type).Rear View Monitor System (For Radio And Display Type) Display Signal Circuit Between Radio And Display Assembly And Television Camera Assembly

  1. Disconnect the M2 rear television camera assembly connector.

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    M2-4 (CB+) - M2-3 (CGND)
    		Ignition switch ON, shift lever in R
    		5.5 to 7.05 V
    Text in Illustration
    *a
    		Front view of wire harness connector
    (to Rear Television Camera Assembly)


NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (HILUX_TGN26 RM000003OG900VX.html)
OK


4.CHECK REAR TELEVISION CAMERA ASSEMBLY


  1. Using an oscilloscope, check the waveform.


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Park Assist Monitoring.Rear View Monitor System (For Radio And Display Type).Rear View Monitor System (For Radio And Display Type) Display Signal Circuit Between Radio And Display Assembly And Television Camera Assembly


    Text in Illustration
    *a
    		Component with harness connected
    (Radio and Display Receiver Assembly)
    		*b
    		Waveform 1
    *c
    		Waveform 2
    		*d
    		Synchronized Signal
    *e
    		Video Waveform
    		-
    		-
    HINT:
    A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected.
    Measurement Condition
    Item
    		Content
    Terminal No. (Symbol)
    		G2-8 (V+) - G2-16 (V-)
    Tool Setting
    		0.2 V/DIV., 50 μs/DIV.
    Condition
    1. Waveform 1: Ignition switch ON, shift lever in R
    2. Waveform 2: Ignition switch ON, shift lever in R, screen blacked out by covering camera lens
    OK:
    Waveform is as shown in the illustration.
    HINT:
    The video waveform changes according to the image sent by the rear television camera assembly.


NG
REPLACE REAR TELEVISION CAMERA ASSEMBLY (HILUX_TGN26 RM00000139200NX.html)
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (HILUX_TGN26 RM000003YLT00VX.html)