ISG (Idle Stop & Go) System - 2.0L: Inspection

Information 

• The ISG related sensors or system error occurs, the yellow AUTO STOP indicator on the cluster will stay on after blinking for 5 seconds and light on the ISG OFF button will illuminate.
• The ISG system may not work under following conditions.
  • The battery is weak
  • The brake vacuum pressure is too low
  • The battery sensor is deactivated
• The ISG system consists of a mutual network among the related components. Refer to the appropriate service information for detailed repair procedures.

  (Refer to table below)

  Component	System
  ECM	Engine Control/Fuel System - Engine Control Module (ECM)
  Seat belt switch	Restraint - Seat Belt Buckle Switch (BS)
  Door switch	Body Electrical System - Keyless Entry And Burglar Alarm
  Hood switch	Body Electrical System - Keyless Entry And Burglar Alarm
  Brake switch	Brake System - Brake Switch
  Brake booster vacuum pressure sensor	Brake System - Brake Booster
  Ambient temperature sensor	Heating, Ventilation And Air Conditioning - Ambient Temperature Sensor
  Battery sensor	Engine Electrical System - Battery Sensor
  AGM battery	Engine Electrical System - Battery
  DC converter	Engine Electrical System - DC converter
  Starter	Engine Electrical System - Starter
  position switch	Automatic Transaxle System - Inhibitor Switch