Open or Short Circuit in Back Camera Signal - Rear View Monitor System (w/ Navigation System)

PARK ASSIST / MONITORING: REAR VIEW MONITOR SYSTEM (w/ Navigation System): C1622: Open or Short Circuit in Back Camera Signal
C1622 - Open or Short Circuit in Back Camera Signal

DESCRIPTION

This DTC is stored if the navigation receiver assembly judges as a result of its self check that the signals or signal lines between the navigation receiver assembly and rear television camera assembly are not normal.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - REAR TELEVISION CAMERA)

(a) Disconnect the L37 connector from the navigation receiver assembly.

(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 (NAVIGATION RECEIVER - REAR TELEVISION CAMERA)
OK -- Continue to next step.

2. CHECK NAVIGATION RECEIVER ASSEMBLY

(a) Reconnect the L37 connector to the navigation receiver assembly.

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

Standard Resistance:

Text in Illustration

NG -- REPLACE NAVIGATION RECEIVER ASSEMBLY Removal
OK -- Continue to next step.

3. CHECK REAR TELEVISION CAMERA ASSEMBLY

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

(b) Check that the L37 and L40 connectors are connected to the navigation receiver assembly.

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 NAVIGATION RECEIVER ASSEMBLY Removal