FixVault
Home › Lexus › 2007 › IS 250 AWD › Repair and Diagnosis › Engine Mechanical › Starter › Starting (4GR-FSE) › Engine Switch › Inspection

Engine Switch: Inspection

  1. INSPECT ENGINE SWITCH 
    1. Measure the resistance according to the value(s) in CONNECTOR TERMINALS RESISTANCE SPECIFICATION TABLE  .
      Fig 1: Identifying Engine Switch Connector (1 Of 2)
      G04045034Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      ENGINE SWITCH (RESISTANCE) (1 OF 2)

      Tester Connection Switch Condition Specified Condition
      7 (SS1) - 5 (GND) Pushed Below 1 ohms
      2 (SS2) - 5 (GND) Pushed Below 1 ohms
      7 (SS1) - 5 (GND) Not pushed 10 k ohms or higher
      2 (SS2) - 5 (GND) Not pushed 10 k ohms or higher

      If the result is not as specified, replace the engine switch.

    2. Apply battery voltage between the terminals of the switch, and check the illumination condition of the switch.

    Standard resistance 

    Fig 2: Identifying Engine Switch Connector (2 Of 2)
    G04045035Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    ENGINE SWITCH (2 OF 2)

    Measurement Condition Specified Condition
    Battery positive (+) --> Terminal 11 (SWIL) Battery negative (-) --> Terminal 4 (COM) or 5 (GND) Illuminates
    Battery positive (+) --> Terminal 12 (INDS) Battery negative (-) -->Terminal 4 (COM) or 5 (GND) Illuminates
    Battery positive (+) --> Terminal 13 (INDW) Battery negative (-) -->Terminal 4 (COM) or 5 (GND) Illuminates

    If the result is not as specified, replace the engine switch.

About FixVault