Can Communication System Television Camera Ecu Communication Stop Mode

Communication System. Lexus Gs430, Gs300. Uzs190 Grs190
Can Communication. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN BUS LINE FOR DISCONNECTION (TELEVISION CAMERA ECU SUB BUS LINE)

CHECK WIRE HARNESS (IG, ACC, GND1)

CAN COMMUNICATION SYSTEM - Television Camera ECU Communication Stop Mode


DESCRIPTION


Detection Item
Symptom
Trouble Area
TELEVISION CAMERA ECU COMMUNICATION STOP MODE
  1. "TELEVISION CAMERA ECU" is not displayed on the "Bus Check" of the intelligent tester
  2. Applies to "TELEVISION CAMERA ECU COMMUNICATION STOP MODE" in the "DTC COMBINATION TABLE"
  1. Power source or inside the television camera ECU
  2. Television camera ECU sub bus line or connector

WIRING DIAGRAM


Lexus Gs430, Gs300. Uzs190 Grs190.Can Communication.Can Communication System.Can Communication System Television Camera Ecu Communication Stop Mode


Lexus Gs430, Gs300. Uzs190 Grs190.Can Communication.Can Communication System.Can Communication System Television Camera Ecu Communication Stop Mode


INSPECTION PROCEDURE

1.CHECK CAN BUS LINE FOR DISCONNECTION (TELEVISION CAMERA ECU SUB BUS LINE)

  1. Turn the engine switch off.

  1. Disconnect the television camera ECU (L64).



    Lexus Gs430, Gs300. Uzs190 Grs190.Can Communication.Can Communication System.Can Communication System Television Camera Ecu Communication Stop Mode

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

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Value
    L64-8 (CANH) - L64-7 (CANL)
    		Engine switch off
    		54 to 69 Ω


NG
REPAIR TELEVISION CAMERA ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
OK


2.CHECK WIRE HARNESS (IG, ACC, GND1)

  1. Reconnect the television camera ECU connector (L64).

  1. Disconnect the television camera ECU connector (L65).



    Lexus Gs430, Gs300. Uzs190 Grs190.Can Communication.Can Communication System.Can Communication System Television Camera Ecu Communication Stop Mode

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

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Value
    L65-8 (GND1) - Body ground
    		Always
    		Below 1 Ω

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

    Standard voltage:
    Tester Connection
    		Condition
    		Specified Value
    L65-2 (IG) - Body ground
    		Engine switch on (IG)
    		10 to 14 V
    L65-5 (ACC) - Body ground
    		Engine switch on (ACC)
    		10 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE TELEVISION CAMERA ECU