C1621

PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: C1621,C1622: Back Camera Power Supply Failure
C1622 - Open or Short Circuit in Back Camera Signal

DESCRIPTION

This DTC is 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.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:
* When "System initializing" is displayed on the navigation receiver assembly after the battery terminal has been disconnected, correct the steering angle neutral point 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 parking assist monitor system may be needed Calibration.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - REAR TELEVISION CAMERA)

(a) Disconnect the D85 parking assist ECU connector.

(b) Disconnect the W13 rear television camera assembly connector.

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

Standard Resistance:

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

2. INSPECT PARKING ASSIST ECU (CV-, CGND)

(a) Reconnect the D85 parking assist ECU connector.

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

Standard Resistance:

Text in Illustration

NG -- REPLACE PARKING ASSIST ECU Removal
OK -- Continue to next step.

3. CHECK REAR TELEVISION CAMERA ASSEMBLY (CB+, CGND)

(a) Disconnect the W13 rear television camera assembly connector.

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

Standard Voltage:

Text in Illustration

NG -- REPLACE PARKING ASSIST ECU Removal
OK -- Continue to next step.

4. CHECK PARKING ASSIST ECU (CV+, GND)

(a) Reconnect the W13 rear television camera assembly connector.

(b) Reconnect the D85 and D86 parking assist ECU connectors.

Text in Illustration

HINT
A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the parking assist ECU with the connector connected.

OK:

Waveform is as shown in the illustration.

Reference

HINT
The video waveform changes according to the image sent by the rear television camera assembly.

Text in Illustration

NG -- REPLACE REAR TELEVISION CAMERA ASSEMBLY Removal

OK -- REPLACE PARKING ASSIST ECU Removal