C1681

PARK ASSIST / MONITORING: WIDE VIEW FRONT MONITOR SYSTEM: C1681, C1682: Front Camera Feedback Malfunction

DESCRIPTION





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
When replacing the parking assist ECU, perform initialization of the front television camera.

PROCEDURE

1. CHECK FOR DTC

(a) Clear the DTCs Wide View Front Monitor System.

(b) Check for DTCs Wide View Front Monitor System.

Result





B -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting
A -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - FRONT TELEVISION CAMERA)

(a) Disconnect the I2 parking assist ECU connector.

(b) Disconnect the A41 front 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.

3. CHECK PARKING ASSIST ECU

(a) Disconnect the I2 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.

4. CHECK PARKING ASSIST ECU

(a) Disconnect the A41 front 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.

5. CHECK FRONT TELEVISION CAMERA ASSEMBLY

(a) Using an oscilloscope, check the waveform.





Text in Illustration





Measurement Condition





NG -- REPLACE FRONT TELEVISION CAMERA ASSEMBLY

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table

6. REPLACE FRONT TELEVISION CAMERA ASSEMBLY

(a) Replace front television camera assembly with a new or normally functioning one Removal.

NEXT -- Continue to next step.

7. CHECK FOR DTC

(a) Clear the DTCs Wide View Front Monitor System.

(b) Check for DTCs Wide View Front Monitor System.

Result





B -- END (FRONT TELEVISION CAMERA ASSEMBLY WAS DEFECTIVE)

A -- REPLACE PARKING ASSIST ECU Removal