Lexus IS250 IS220d GSE20 ALE20 2AD-FHV STARTING

ENGINE SWITCH - INSPECTION

1. INSPECT ENGINE SWITCH

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

Engine Switch - Inspection. 2AD-FHV STARTING. Lexus IS250 IS220d GSE20 ALE20

  • Standard resistance:
  • Tester ConnectionSwitch ConditionSpecified Condition
    7 (SS1) - 5 (GND)PushedBelow 1 Ω
    2 (SS2) - 5 (GND)PushedBelow 1 Ω
    7 (SS1) - 5 (GND)Not pushed10 kΩ or higher
    2 (SS2) - 5 (GND)Not pushed10 kΩ or higher

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


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

Engine Switch - Inspection. 2AD-FHV STARTING. Lexus IS250 IS220d GSE20 ALE20

  • Standard resistance:
  • Measurement ConditionSpecified 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.