Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM10000000163Z4
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 - 10/2020]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: C1621; Back Camera Power Supply Failure; 2018 - 2020 MY Camry HV [07/2017 - 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

DTC Output from

C1621

Back Camera Power Supply Failure

Rear television camera assembly power supply failure
  • Harness or connector
  • Rear television camera assembly

Parking Assist Camera

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • When "!" is displayed on the radio and display receiver assembly after the cable is disconnected from the negative (-) auxiliary battery terminal, correct the steering angle neutral point.

    Click here 2018 - 2020 MY Camry HV [07/2017 - 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 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

PROCEDURE

1.

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

(a) Disconnect the R42 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

R42-9 (CGND) - m1-5 (CGND)

Always

Below 1 Ω

R42-9 (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

Power switch on (ACC)

11 to 14 V
OK

REPLACE REAR TELEVISION CAMERA ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR