Dtc C1622 Open Or Short Circuit In Back Camera Signal

Body Electrical. Camry. Acv40 Gsv40
Park Assist Monitoring. Camry. Acv40 Gsv40

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CONFIRM MODEL

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - REAR TELEVISION CAMERA)

INSPECT NAVIGATION RECEIVER ASSEMBLY

INSPECT REAR TELEVISION CAMERA ASSEMBLY

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - LUGGAGE COMPARTMENT DOOR OPENER SWITCH)

INSPECT NAVIGATION RECEIVER ASSEMBLY

INSPECT REAR TELEVISION CAMERA ASSEMBLY

REPLACE LUGGAGE COMPARTMENT DOOR OPENER OUTER SWITCH

CHECK DTC OUTPUT (C1622)

DTC C1622 Open or Short Circuit in Back Camera Signal


DESCRIPTION

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

DTC No.
DTC Detection Condition
Trouble Area
C1622
Open or Short Circuit in Back Camera Signal
  1. Harness and connector
  2. Navigation receiver assembly
  3. Rear television camera assembly
  4. Luggage compartment door opener outer switch*1
  1. *1: w/ Entry and Start System

WIRING DIAGRAM


w/o Entry and Start System

Camry. Acv40 Gsv40.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal


w/ Entry and Start System

Camry. Acv40 Gsv40.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal


INSPECTION PROCEDURE

1.CONFIRM MODEL

  1. Chose the model to be inspected.

    Result:
    Result
    		Proceed to
    w/o Entry and Start System
    		A
    w/ Entry and Start System
    		B


B
Go to step 5
A


2.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - REAR TELEVISION CAMERA)


    Camry. Acv40 Gsv40.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal

  1. Disconnect the F24 connector from the navigation receiver assembly and the S19 connector from the rear television camera assembly.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    S19-6 (CV+) - F24-1 (V+)
    		Always
    		Below 1 Ω
    S19-5 (CB+) - F24-2 (CA+)
    		Always
    		Below 1 Ω
    S19-1 (CGND) - F24-12 (CGND)
    		Always
    		Below 1 Ω
    S19-2 (CV-) - F24-11 (V-)
    		Always
    		Below 1 Ω
    S19-6 (CV+) - Body ground
    		Always
    		10 kΩ or higher
    S19-5 (CB+) - Body ground
    		Always
    		10 kΩ or higher
    S19-1 (CGND) - Body ground
    		Always
    		10 kΩ or higher
    S19-2 (CV-) - Body ground
    		Always
    		10 kΩ or higher
    Text in Illustration
    *1
    		Front view of wire harness connector
    (to Navigation Receiver Assembly)
    *2
    		Front view of wire harness connector
    (to Rear Television Camera Assembly)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (NAVIGATION RECEIVER - REAR TELEVISION CAMERA)
OK


3.INSPECT NAVIGATION RECEIVER ASSEMBLY

  1. Reconnect the S19 connector to the rear television camera assembly.



    Camry. Acv40 Gsv40.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal

  1. Reconnect the F24 connector to the navigation receiver assembly.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F24-11 (V-) - Body ground
    		Always
    		Below 1 Ω
    F24-12 (CGND) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    F24-2 (CA+) - F24-12 (CGND)
    		Ignition switch ON
    Shift lever in R
    		5.5 to 7 V
    Text in Illustration
    *1
    		Component with harness connected
    (Navigation Receiver Assembly)


NG
REPLACE NAVIGATION RECEIVER ASSEMBLY (CAMRY_ACV40 RM0000026K700ZX.html)
OK


4.INSPECT REAR TELEVISION CAMERA ASSEMBLY


    Camry. Acv40 Gsv40.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal

  1. Check that the F27 and F24 connectors are connected to the navigation receiver assembly.



    Camry. Acv40 Gsv40.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal

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

    HINT:
    A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the navigation receiver assembly with the connector connected.
    OK:
    Waveform is as shown in the illustration.
    Item
    		Content
    Terminal No. (Symbol)
    		F24-1 (V+) - F27-7 (GND)
    Tool Setting
    		200 mV/DIV., 50 μsec./DIV.
    Condition
    		Ignition switch ON, shift lever in R
    HINT:
    The video waveform changes according to the image sent by the rear television camera assembly.
    Text in Illustration
    *1
    		Component with harness connected
    (to Navigation Receiver Assembly)
    *2
    		Waveform 1 (under normal conditions)
    *3
    		Waveform 2 (camera lens is covered, blacking out the screen)
    *4
    		Synchronized Signal
    *5
    		Video Waveform


NG
REPLACE REAR TELEVISION CAMERA ASSEMBLY (CAMRY_ACV40 RM000000MNK00FX.html)
OK

REPLACE NAVIGATION RECEIVER ASSEMBLY (CAMRY_ACV40 RM0000026K700ZX.html)

5.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - LUGGAGE COMPARTMENT DOOR OPENER SWITCH)


    Camry. Acv40 Gsv40.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal

  1. Disconnect the F24 connector from the navigation receiver assembly and the S19 connector from the luggage compartment door opener outer switch.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    S19-6 (CV+) - F24-1 (V+)
    		Always
    		Below 1 Ω
    S19-5 (CB+) - F24-2 (CA+)
    		Always
    		Below 1 Ω
    S19-1 (CGND) - F24-12 (CGND)
    		Always
    		Below 1 Ω
    S19-2 (CV-) - F24-11 (V-)
    		Always
    		Below 1 Ω
    S19-6 (CV+) - Body ground
    		Always
    		10 kΩ or higher
    S19-5 (CB+) - Body ground
    		Always
    		10 kΩ or higher
    S19-1 (CGND) - Body ground
    		Always
    		10 kΩ or higher
    S19-2 (CV-) - Body ground
    		Always
    		10 kΩ or higher
    Text in Illustration
    *1
    		Front view of wire harness connector
    (to Navigation Receiver Assembly)
    *2
    		Front view of wire harness connector
    (to Luggage Compartment Door Opener Outer Switch)


NG
REPLACE HARNESS OR CONNECTOR (NAVIGATION RECEIVER - LUGGAGE COMPARTMENT DOOR OPENER SWITCH)
OK


6.INSPECT NAVIGATION RECEIVER ASSEMBLY

  1. Reconnect the S19 connector to the luggage compartment door opener outer switch.



    Camry. Acv40 Gsv40.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal

  1. Reconnect the F24 connector to the navigation receiver assembly.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F24-11 (V-) - Body ground
    		Always
    		Below 1 Ω
    F24-12 (CGND) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    F24-2 (CA+) - F24-12 (CGND)
    		Ignition switch ON
    Shift lever in R
    		5.5 to 7 V
    Text in Illustration
    *1
    		Component with harness connected
    (Navigation Receiver Assembly)


NG
REPLACE NAVIGATION RECEIVER ASSEMBLY (CAMRY_ACV40 RM0000026K700ZX.html)
OK


7.INSPECT REAR TELEVISION CAMERA ASSEMBLY


    Camry. Acv40 Gsv40.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal

  1. Check that the F27 and F24 connectors are connected to the navigation receiver assembly.



    Camry. Acv40 Gsv40.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1622 Open Or Short Circuit In Back Camera Signal

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

    HINT:
    A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the navigation receiver assembly with the connector connected.
    OK:
    Waveform is as shown in the illustration.
    Item
    		Content
    Terminal No. (Symbol)
    		F24-1 (V+) - F27-7 (GND)
    Tool Setting
    		200 mV/DIV., 50 μsec./DIV.
    Condition
    		Ignition switch ON, shift lever in R
    HINT:
    The video waveform changes according to the image sent by the rear television camera assembly.
    Text in Illustration
    *1
    		Component with harness connected
    (to Navigation Receiver Assembly)
    *2
    		Waveform 1 (under normal conditions)
    *3
    		Waveform 2 (camera lens is covered, blacking out the screen)
    *4
    		Synchronized Signal
    *5
    		Video Waveform


NG
Go to step 8
OK

REPLACE NAVIGATION RECEIVER ASSEMBLY (CAMRY_ACV40 RM0000026K700ZX.html)

8.REPLACE LUGGAGE COMPARTMENT DOOR OPENER OUTER SWITCH

  1. Replace the luggage compartment door opener outer switch with a new or normally functioning one (CAMRY_ACV40 RM000001OIW02LX.html).


NEXT


9.CHECK DTC OUTPUT (C1622)

  1. Clear the DTCs (CAMRY_ACV40 RM000003Z2800KX.html).

  1. Check for DTCs (CAMRY_ACV40 RM000003Z2800KX.html).

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


B
REPLACE REAR TELEVISION CAMERA ASSEMBLY (CAMRY_ACV40 RM000000MNK00FX.html)
A

END