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Home >> Lexus >> 2008 >> IS 350 >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication >> Can Communication System >> Gateway ECU Communication Stop Mode >> Inspection Procedure

Inspection Procedure

  1. CHECK WIRE HARNESS (BATT, ACC, IG, GND) 
    1. Turn the engine switch off.
    2. Disconnect the gateway ECU connector (J76).
    3. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION CHART

      Tester Connection Condition Specified Value
      J76-24 (GND) - Body ground Always Below 1 Ω
    4. Measure the voltage according to the value (s) in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION CHART

      Tester Connection Condition Specified Value
      J76-10 (BATT) - Body ground Always 10 to 14 V
      J76-2 (ACC) - Body ground Engine switch on (IG) 10 to 14 V
      J76-1 (IG) - Body ground Engine switch on (IG) 10 to 14 V
      Fig 1: Identifying Gateway ECU Connector J76
      G05828590Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

      OK: REPLACE GATEWAY ECU 

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