2Ad-Fhv Can Communication System (For Lhd) Television Camera Ecu Communication Stop Mode

Communication System. Lexus Is250, Is220D. Gse20 Ale20
Can Communication. Lexus Is250, Is220D. Gse20 Ale20

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN BUS LINE FOR OPEN (TELEVISION CAMERA ECU BRANCH LINE)

CHECK WIRE HARNESS (+B, IG, ACC, GND1)

2AD-FHV CAN COMMUNICATION SYSTEM (for LHD) - Television Camera ECU Communication Stop Mode


DESCRIPTION


Detection Item
Symptom
Trouble Area
Television Camera ECU Communication Stop Mode
  1. "Parking Assist Monitor" is not displayed on the "Communication Bus Check" screen of the intelligent tester
  2. Applies to "Television Camera ECU Communication Stop Mode" in the "DTC COMBINATION TABLE"
  1. Power source circuit of the television camera ECU
  2. Television camera ECU branch line or connector
  3. Television camera ECU
HINT:
"Parking Assist Monitor" refers to the circuit that includes the television camera ECU.

WIRING DIAGRAM


Lexus Is250, Is220D. Gse20 Ale20.Can Communication.Can Communication System (For Lhd).2Ad-Fhv Can Communication System (For Lhd) Television Camera Ecu Communication Stop Mode


INSPECTION PROCEDURE

1.CHECK CAN BUS LINE FOR OPEN (TELEVISION CAMERA ECU BRANCH LINE)


    Lexus Is250, Is220D. Gse20 Ale20.Can Communication.Can Communication System (For Lhd).2Ad-Fhv Can Communication System (For Lhd) Television Camera Ecu Communication Stop Mode

  1. Turn the engine switch off.

  1. Disconnect the television camera ECU connector (J92).

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

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Value
    J92-7 (CANH) - J92-6 (CANL)
    		Engine switch off
    		54 to 69 Ω


NG
REPAIR TELEVISION CAMERA ECU BRANCH LINE OR CONNECTOR (CANH, CANL)
OK


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


    Lexus Is250, Is220D. Gse20 Ale20.Can Communication.Can Communication System (For Lhd).2Ad-Fhv Can Communication System (For Lhd) Television Camera Ecu Communication Stop Mode

  1. Reconnect the television camera ECU connector (J92).

  1. Disconnect the television camera ECU connector (J93).

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

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Value
    J93-8 (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
    J93-1 (+B) - Body ground
    		Always
    		10 to 14 V
    J93-3 (IG) - Body ground
    		Engine switch on (IG)
    		10 to 14 V
    J93-4 (ACC) - Body ground
    		Engine switch on (ACC)
    		10 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE TELEVISION CAMERA ECU