Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FPID
Model Year Start: 2019 Model: RAV4 HV Prod Date Range: [11/2018 - 10/2022]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): C1621; Back Camera Power Supply Failure; 2019 - 2022 MY RAV4 HV [11/2018 - 10/2022]

DTC

C1621

Back Camera Power Supply Failure

DESCRIPTION

This DTC is stored if the parking assist ECU determines that the input/output signal communication with the television camera assembly is abnormal.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1621

Back Camera Power Supply Failure

Television camera assembly power supply malfunction

  • Harness or connector
  • Television camera assembly
  • Parking assist ECU

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When "!" mark 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 2019 - 2022 MY RAV4 HV [11/2018 - 10/2022]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): 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 2019 - 2022 MY RAV4 HV [11/2018 - 10/2022]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): CALIBRATION

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - TELEVISION CAMERA ASSEMBLY)

(a) Disconnect the N24 parking assist ECU connector.

(b) Disconnect the R15 television camera assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

N24-33 (CB+) - R15-6 (CB+)

Always

Below 1 Ω

N24-32 (CGND) - R15-5 (CGND)

Always

Below 1 Ω

N24-33 (CB+) or R15-6 (CB+) - Body ground

Always

10 kΩ or higher

N24-32 (CGND) or R15-5 (CGND) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

CHECK PARKING ASSIST ECU (CB+, CGND)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

N24-32 (CGND) - Body ground

Always

Below 1 Ω

*a

Component with harness connected

(Parking Assist ECU)

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

N24-33 (CB+) - N24-32 (CGND)

Power switch on (IG)

5.5 to 7.05 V

N24-33 (CB+) - N24-32 (CGND)

Power switch off

Below 1 V

OK

REPLACE TELEVISION CAMERA ASSEMBLY

NG

REPLACE PARKING ASSIST ECU