Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000012TE9
Model Year Start: 2018 Model: Camry Prod Date Range: [03/2017 -           ]
Title: PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: C1621; Back Camera Power Supply Failure; 2018 - 2024 MY Camry [03/2017 -        ]

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 radio and display assembly 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

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • 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 parking assist monitor system may be needed.

    Click here 2018 MY Camry [03/2017 - 06/2017]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: CALIBRATION 2018 - 2020 MY Camry [06/2017 - 10/2020]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: CALIBRATION 2021 - 2024 MY Camry [10/2020 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: CALIBRATION

PROCEDURE

1.

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

(a) Disconnect the K2 radio and display receiver assembly 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

K2-27 (CGND) - m1-5 (CGND)

Always

Below 1 Ω

K2-27 (CGND) or m1-5 (CGND) - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

2.

CHECK HARNESS AND CONNECTOR (ACC POWER SUPPLY - BODY GROUND)

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

m1-6 (CB+) - Body ground

Engine switch on (ACC)

11 to 14 V
OK

REPLACE REAR TELEVISION CAMERA ASSEMBLY 2018 MY Camry [03/2017 - 06/2017]; PARK ASSIST / MONITORING: TELEVISION CAMERA (for Rear): REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; PARK ASSIST / MONITORING: TELEVISION CAMERA (for Rear): REMOVAL 2021 - 2024 MY Camry [10/2020 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA (for Rear): REMOVAL

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR