Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001RE81
Model Year Start: 2021 Model: Camry Prod Date Range: [10/2020 -           ]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: C1621; Back Camera Power Supply Failure; 2021 - 2024 MY Camry [10/2020 -        ]

DTC

C1621

Back Camera Power Supply Failure

DESCRIPTION

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1621

Back Camera Power Supply Failure

Rear television camera assembly power supply failure

  • Harness or connector
  • Rear television camera assembly
  • Television camera controller

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When "!" is displayed on the radio and display receiver assembly after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.

    Click here 2021 - 2024 MY Camry [10/2020 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: INITIALIZATION

  • 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 panoramic view monitor system may be needed.

    Click here 2021 - 2024 MY Camry [10/2020 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

  • Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (ACC POWER SUPPLY - REAR TELEVISION CAMERA ASSEMBLY)

(a) Disconnect the m1 rear television camera assembly connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

m1-6 (CB+) - Body ground

Ignition switch on (ACC)

11 to 14 V

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA CONTROLLER - REAR TELEVISION CAMERA ASSEMBLY)

(a) Disconnect the R126 television camera controller connector.

(b) Disconnect the m1 rear television camera assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R126-32 (CGND) - m1-5 (CGND)

Always

Below 1 Ω

R126-32 (CGND) or m1-5 (CGND) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

CHECK TELEVISION CAMERA CONTROLLER (CGND)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R126-32 (CGND) - Body ground

Always

Below 1 Ω

*a

Component with harness connected

(Television Camera Controller)

OK

REPLACE REAR TELEVISION CAMERA ASSEMBLY

NG

REPLACE TELEVISION CAMERA CONTROLLER