LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2008 >> IS 250 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication >> Can Communication System >> Center Airbag Sensor Communication Stop Mode >> Inspection Procedure

Inspection Procedure

  1. CHECK OPEN IN CAN BUS WIRE (CENTER AIRBAG SENSOR BRANCH LINE) 
    1. Turn the engine switch off.
    2. Disconnect the center airbag sensor connector (J47).
    3. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION CHART

      Tester Connection Condition Specified Value
      J47-13 (CANH) - J47-22 (CANL) Engine switch off 54 to 69 Ω
      Fig 1: Identifying Center Airbag Sensor Connector J47
      G05828600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPAIR OR REPLACE CENTER AIRBAG SENSOR BRANCH WIRE OR CONNECTOR (CANH, CANL) 

      OK: Go to Next Step 

  2. CHECK WIRE HARNESS (IG2, E1, E2) 
    1. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION CHART

      Tester Connection Condition Specified Value
      J47-25 (E1) - Body ground Always Below 1 Ω
      J47-26 (E2) - Body ground Always Below 1 Ω
    2. Measure the voltage according to the value (s) in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION CHART

      Tester Connection Condition Specified Value
      J47-21 (IG2) - Body ground Engine switch on (IG) 10 to 14 V
      Fig 2: Identifying Center Airbag Sensor Connector J47 (IG2, E1, E2)
      G05828601Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

      OK: REPLACE CENTER AIRBAG SENSOR ASSEMBLY