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Home >> Subaru >> 2005 >> Outback i, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System (Diagnostics) >> Engine Control Module (ECM) I/O Signal >> Electrical Specification
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Electrical Specification

Fig 1: Locating Engine Control Module (ECM) Terminals
G04587447Courtesy of SUBARU OF AMERICA, INC.
ECM I/O SIGNAL CHART

Content Terminal No. Measurement Condition and I/O Signal (Idling with ignition ON: Except cruise set light)
Main power supply VB (CONTROL 1)
VB (CONTROL 2)		 B6
B5
  • Battery voltage is present when the main power is turned ON.
  • "0 V" voltage is present when the main power is turned OFF.
Command Switch C11
  • "0 V" voltage is present when the command switch is turned to CANCEL position.
  • "Approx. 1 V" voltage is present when the command switch is turned to SET/COAST position.
  • "Approx. 3 V" voltage is present when the command switch is turned to RESUME/ACCEL position.
  • "Approx. 4 V" voltage is present when the command switch is released.
Brake switch 1
(Brake switch)		 C9
  • Battery voltage is present when the brake pedal is released.
  • "0 V" voltage is present when the brake pedal is depressed.
Brake switch 2
(Stop light switch)		 C8
  • Battery voltage is present when the brake pedal is depressed.
  • "0 V" voltage is present when the brake pedal is released.
Main switch C7
  • "0 V" voltage is present while the main switch is pressed or turned on.
  • Battery voltage is present when the main switch is turned OFF.
Ground GND (CONTROL 1)
GND (CONTROL 2)		 D2
D1		 -
Ignition switch D14
  • Battery voltage is present when the ignition switch is turned ON.
  • "0 V" voltage is present when the ignition switch is turned OFF.
Clutch switch (MT model) SOHC model: C10 Turbo
model: A1
  • "0 V" voltage is present when the clutch pedal is depressed.
  • Battery voltage is present when the clutch pedal is released.
Neutral position switch (MT model) D9
  • "0 V" voltage is present when the shift lever is set in any position except neutral.
  • "Approx. 5 V" voltage is present when the shift lever is set in neutral position.
Neutral signal (AT model) D9
  • "Approx. 5 V" voltage (4AT model) or battery voltage (5AT model) is present when the shift lever is set in any position except "P" or "N"
  • "0 V" voltage is present when the shift lever is set in "P" or "N" position.
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