Back Camera Power Supply Failure - Advanced Parking Guidance System

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

DESCRIPTION

These DTCs are 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 rear television camera assembly are not normal.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:
* When "System initializing" message is displayed on the navigation receiver assembly after the battery terminal 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 advanced parking guidance system may be needed Calibration.

PROCEDURE

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

(a) Disconnect the L64 connector from the parking assist ECU.

(b) Disconnect the V6 connector from the rear television camera assembly.

(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. CHECK PARKING ASSIST ECU (CV-, CGND)

(a) Reconnect the L64 connector to the parking assist ECU.

(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 V6 connector from the rear television camera assembly.

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

Standard Voltage:

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

4. CHECK PARKING ASSIST ECU (CV+, GND1)

(a) Reconnect the V6 connector to the rear television camera assembly.

(b) Reconnect the L64 and L65 connectors to the parking assist ECU.

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.

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