Dtc C1621 Back Camera Power Supply Failure

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - REAR TELEVISION CAMERA AND BODY GROUND)

CHECK PARKING ASSIST ECU (CB+, CGND)

DTC C1621 Back Camera Power Supply Failure


DESCRIPTION

These DTCs are stored if the parking assist ECU judges as a result of its self check that the signals or signal lines between the parking assist ECU and the rear television camera assembly are not normal.

DTC Code
DTC Detection Condition
Trouble Area
C1621
An open or short in the rear television camera signal circuit
  1. Harness or connector
  2. Rear television camera assembly
  3. Parking assist ECU

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1621 Back Camera Power Supply Failure


INSPECTION PROCEDURE

NOTICE:
  1. When "!" mark is displayed on the multi-display after the battery terminal disconnected, correct the steering angle neutral point (Click here).
  2. Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the multi-terrain monitor system may be needed (Click here).
1.CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - REAR TELEVISION CAMERA AND BODY GROUND)

  1. Disconnect the F76 parking assist ECU connector.

  1. Disconnect the S30 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
    F76-14 (CB+ - S30-6 (CB+)
    		Always
    		Below 1 Ω
    F76-37 (CGND) - S30-5 (CGND)
    		Always
    		Below 1 Ω
    F76-14 (CB+ or S30-6 (CB+) - Body ground
    		Always
    		10 kΩ or higher
    F76-37 (CGND) or S30-5 (CGND) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


2.CHECK PARKING ASSIST ECU (CB+, CGND)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System. Dtc C1621 Back Camera Power Supply Failure

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F76-37 (CGND) - 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
    F76-14 (CB+) - F76-37 (CGND)
    		Engine switch on (IG)
    		5.5 to 7.05 V
Text in Illustration
*a
Component with harness connected
(Parking Assist ECU)


NG
REPLACE PARKING ASSIST ECU (Click here)
OK

REPLACE REAR TELEVISION CAMERA ASSEMBLY (Click here)