Dtc 5C-40 Camera Picture Error

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Park Assist Monitoring. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK WIRE HARNESS (TELEVISION CAMERA ECU - TELEVISION CAMERA)

CHECK TELEVISION CAMERA (POWER SOURCE VOLTAGE)

DTC 5C-40 Camera Picture Error


DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
5C - 40
Synchronous signal from camera cannot be transmitted
  1. Wire harness and connector
  2. Television camera ECU
  3. Television camera

WIRING DIAGRAM


Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System. Dtc 5C-40 Camera Picture Error


INSPECTION PROCEDURE

1.CHECK WIRE HARNESS (TELEVISION CAMERA ECU - TELEVISION CAMERA)
Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System. Dtc 5C-40 Camera Picture Error

  1. Disconnect the L64 ECU connector.

  1. Disconnect the a8 camera connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    L64-20 (CB+) - a8-4 (CB+)
    		Always
    		Below 1 Ω
    L64-19 (CGND) - a8-3 (CGND)
    		Always
    		Below 1 Ω
    L64-40 (CV+) - a8-2 (CV+)
    		Always
    		Below 1 Ω
    L64-39 (CV-) - a8-1 (CV-)
    		Always
    		Below 1 Ω
    L64-20 (CB+) - Body ground
    		Always
    		10 kΩ or higher
    L64-19 (CGND) - Body ground
    		Always
    		10 kΩ or higher
    L64-39 (CV+) - Body ground
    		Always
    		10 kΩ or higher
    L64-39 (CV-) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


2.CHECK TELEVISION CAMERA (POWER SOURCE VOLTAGE)
Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System. Dtc 5C-40 Camera Picture Error

  1. Measure the voltage of the connector.

    Standard voltage:
    Tester Connection
    		Condition
    		Specified Condition
    a8-4 (CB+) - a8-3 (CGND)
    		Engine switch on (IG), shift lever in R position
    		Approx. 6 V


NG
REPLACE TELEVISION CAMERA ECU
OK

REPLACE TELEVISION CAMERA