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Home >> Lexus >> 2007 >> GS 350 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication >> Can Communication System >> Skid Control ECU Communication Stop Mode >> Inspection Procedure

Inspection Procedure

  1. CHECK CAN BUS LINE FOR DISCONNECTION (SKID CONTROL ECU SUB BUS LINE) 
    1. Turn the engine switch off.
    2. Disconnect the skid control ECU connector (A15).
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Value
      A15-9 (CANH) - A15-22 (CANL) Engine switch off 54 to 69 Ω
    Fig 1: Identifying Skid Control ECU Connector (A15)
    G05301357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L) 

    OK: Go to next step 

  2. CHECK WIRE HARNESS (IG2, GND4) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Value
      A15-1 (GND4) - Body ground Always Below 1 Ω
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Value
      A15-16 (IG2) - Body ground Engine switch on (IG) 10 to 14 V
    Fig 2: Identifying Skid Control ECU Connector (A15)
    G05301358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE SKID CONTROL ECU 

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