Dtc C1622 Open Or Short Circuit In Back Camera Signal

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Park Assist Monitoring. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK FOR DTC

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

CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

CHECK REAR TELEVISION CAMERA ASSEMBLY

REPLACE REAR TELEVISION CAMERA ASSEMBLY

CHECK FOR DTC

DTC C1622 Open or Short Circuit in Back Camera Signal


DESCRIPTION

This DTC is stored if the radio and display receiver assembly judges as a result of its self check that the signals or signal lines between the radio and display receiver assembly and the rear television camera assembly are not normal.

DTC Code
DTC Detection Condition
Trouble Area
C1622
An open or short in the rear television camera signal circuit
  1. Harness or connector
  2. Rear television camera assembly
  3. Radio and display receiver assembly

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal


INSPECTION PROCEDURE

NOTICE:
When replacing the radio and display receiver assembly, it is necessary to perform the vehicle contract setting for Connected Service (Click here).
1.CHECK FOR DTC

  1. Clear the DTCs (Click here).

  1. Check for DTCs (Click here).

    Result
    Result
    		Proceed to
    DTC C1622 is not output
    		A
    DTC C1622 is output
    		B


B
Go to step 2
A

USE SIMULATION METHOD TO CHECK (Click here)

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

  1. Disconnect the F118 radio and display receiver assembly connector.

  1. Disconnect the S31 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
    F118-11 (CA+) - S31-6 (CB+)
    		Always
    		Below 1 Ω
    F118-12 (V+) - S31-3 (CV+)
    		Always
    		Below 1 Ω
    F118-24 (V-) - S31-2 (CV-)
    		Always
    		Below 1 Ω
    F118-23 (CGND) - S31-5 (CGND)
    		Always
    		Below 1 Ω
    F118-11 (CA+) or S31-6 (CB+) - Body ground
    		Always
    		10 kΩ or higher
    F118-12 (V+) or S31-3 (CV+) - Body ground
    		Always
    		10 kΩ or higher
    F118-24 (V-) or S31-2 (CV-) - Body gound
    		Always
    		10 kΩ or higher
    F118-23 (CGND) or S31-5 (CGND) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal

  1. Remove the radio and display receiver assembly with the connector still connected (Click here).

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F118-23 (CGND) - Body ground
    		Always
    		Below 1 Ω
    F118-24 (V-) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    F118-11 (CA+) - Body ground
    		Engine switch on (ACC)
    		5.5 to 7.05 V
Text in Illustration
*a
Component with harness connected
(Radio and Display Receiver Assembly)


NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (Click here)
OK


4.CHECK REAR TELEVISION CAMERA ASSEMBLY


  1. Remove the radio receiver assembly with the connector still connected (Click here).


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal


    Text in Illustration
    *a
    		Component with harness connected
    (Radio and Display Receiver Assembly)
    		*b
    		Waveform 1
    *c
    		Waveform 2
    		*d
    		Synchronization Signal
    *e
    		Video Waveform
    		-
    		-
    HINT:
    The video waveform changes according to the image sent by the rear television camera assembly.
    Item
    		Content
    Terminal No. (Symbol)
    		F118-12 (V+) - F118-23 (CGND)
    Tool Setting
    		200 mV/DIV., 50 μsec./DIV.
    Condition
    1. Waveform 1: Engine switch on (IG), shift lever in R, camera lens not covered, displaying an image
    2. Waveform 2: Engine switch on (IG), shift lever in R, camera lens covered, blacking out screen
    OK:
    Waveform is as shown in the illustration.


NG
Go to step 5
OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (Click here)

5.REPLACE REAR TELEVISION CAMERA ASSEMBLY

  1. Replace the rear television camera assembly with a new or normally functioning one (Click here).


NEXT


6.CHECK FOR DTC

  1. Clear the DTCs (Click here).

  1. Check for DTCs (Click here).

    Result
    Result
    		Proceed to
    DTC C1622 is not output
    		A
    DTC C1622 is output
    		B


B
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (Click here)
A

END (REAR TELEVISION CAMERA ASSEMBLY IS DEFECTIVE)