LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2017 >> Outback 2.5i >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Security And Locks - Keyless Access (W/Push Button Start) (Diagnostics) >> Control Module I/O Signal >> Electrical Specification >> Keyless Access Control Module >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Keyless Access Control Module: Notes

Fig 1: Locating Keyless Access Control Module Connector End View
G10277418Courtesy of SUBARU OF AMERICA, INC.
Terminal No. Content Measuring condition Standard
(i75) No. 1 ←→ Chassis ground Ground Always (1) Less than 1 Ω
(i75) No. 2 ←→ 1 Immobilizer signal reception (ignition switch) Wait for 30 seconds or more after the door was opened or closed with IG OFF and the brake pedal (except for MT model) or clutch pedal (MT model) released. 1 V or less
Turn the ignition switch to OFF and with the access key near the push button ignition switch, press the push button ignition switch. (with the access key battery removed) Waveform 1
(i75) No. 3 - - -
(i75) No. 4 ←→ 1 Start switch input 1 Push button ignition switch pressed → released(1) Less than 1 Ω → 10 kΩ or more
(i75) No. 5 ←→ 1 Indicator output (orange) With ACC ON or IG ON, brake pedal (AT model) or clutch pedal (MT model) not depressed 9.5 V or more
(i75) No. 6 ←→ 1 Start switch character illumination When illumination of start switch goes off, the headlight is OFF → ON, after setting the illumination control to MAX Less than 2 V → 9.5 V or more
(i75) No. 7 ←→ Chassis ground Engine speed While engine idling Waveform 2
(i75) No. 8 ←→ Chassis ground (except for MT model) Shift P position Except for shift positions P → Shift position P 40 kΩ or more → 200 Ω or less
(i75) No. 9 ←→ Chassis ground Steering lock power supply Always (1) 10 kΩ or more
(i75) No. 10 - - -
(i75) No. 11 ←→ Chassis ground IGN2 relay drive Always (20°C) (1) 74.15 - 460.88 Ω
(i75) No. 12 ←→ Chassis ground IGN1 relay drive Always (20°C) (1) 50.87 - 72.17 Ω
(i75) No. 13 ←→ Chassis ground Immobilizer amplifier ground Always (1) Less than 1 Ω
(i75) No. 14 ←→ 1 Immobilizer signal transmission (ignition switch) Wait for 30 seconds or more after the door was opened or closed with IG OFF and the brake pedal (except for MT model) or clutch pedal (MT model) released. 1 V or less
Turn the ignition switch to OFF and with the access key near the push button ignition switch, press the push button ignition switch. (with the access key battery removed) Waveform 3
(i75) No. 15 ←→ 1 Immobilizer amplifier power supply Wait for 30 seconds or more after the door was opened or closed with IG OFF and the brake pedal (except for MT model) or clutch pedal (MT model) released. 1 V or less
Within 30 seconds after the push button ignition switch is pressed with IG OFF and access key not in the passenger room Waveform 4
(i75) No. 16 - - -
(i75) No. 17 ←→ 1 Start switch input 2 Push button ignition switch pressed → released(1) Less than 1 Ω → 10 kΩ or more
(i75) No. 18 ←→ 1 Indicator output (green) Depress the brake pedal (except for MT models) or clutch pedal (MT models) with the access key in the passenger room. 9.5 V or more
(i75) No. 19 - - -
(i75) No. 20 ←→ Chassis ground (MT model) Clutch switch input Clutch pedal depressed → Released 9.5 V or more → 1 V or less
(i75) No. 21 ←→ 1 Steering lock position input With ignition switch OFF and shift position P, and with push button ignition switch pressed, Steering lock → Steering unlock 9.5 V or more → 1.2 V or less
(i75) No. 22 -    
(i75) No. 23 ←→ Chassis ground ACC relay drive Always (20°C) (1) 152.61 - 216.5 Ω
(i75) No. 24 ←→ 1 +B power supply 1 (main) Always (1) 9.5 - 16 V
(i241) No. 1 ←→ 21 Front interior antenna - All doors closed, power OFF, access key not in passenger room, touch sensor (lock) OFF → ON No pulse output → Pulse output detected
(i241) No. 2 ←→ 21 Front interior antenna + All doors closed, power OFF, access key not in passenger room, touch sensor (lock) OFF → ON No pulse output → Pulse output detected
(i241) No. 3 ←→ 21 Passenger side external antenna - Power OFF, all doors closed, all doors locked by lock operation with wireless remote control, access key not in passenger room No pulse output → Pulse output detected
(i241) No. 4 ←→ 21 Passenger side external antenna + Power OFF, all doors closed, all doors locked by lock operation with wireless remote control, access key not in passenger room No pulse output → Pulse output detected
(i241) No. 5 ←→ 21 Driver side external antenna + Power OFF, all doors closed, all doors locked by lock operation with wireless remote control, access key not in passenger room No pulse output → Pulse output detected
(i241) No. 6 ←→ 21 Driver side external antenna - Power OFF, all doors closed, all doors locked by lock operation with wireless remote control, access key not in passenger room No pulse output → Pulse output detected
(i241) No. 7 ←→ 21 Passenger's sensor drive power supply Power OFF → IG ON 9.5 V or more → less than 2 V
(i241) No. 8 - - -
(i241) No. 9 ←→ 21 Driver's sensor drive power supply Power OFF → IG ON 9.5 V or more → less than 2 V
(i241) No. 10 ←→ Chassis ground CAN communication (Hi) ACC ON or IGN ON or power OFF, and open/close the door Pulse generation
(i241) No. 11 ←→ Chassis ground CAN communication (Lo) ACC ON or IGN ON or power OFF, and open/close the door Pulse generation
(i241) No. 12 - - -
(i241) No. 13 LIN communication ACC ON or IGN ON or power OFF, and open/close the door Pulse generation
(i241) No. 14 - - -
(i241) No. 15 ←→ 21 Rear exterior antenna - Power OFF, all doors closed, all doors locked, trunk or rear gate opener button OFF → ON No pulse output → Pulse output detected
(i241) No. 16 ←→ 21 Rear exterior antenna + Power OFF, all doors closed, all doors locked, trunk or rear gate opener button OFF → ON No pulse output → Pulse output detected
(i241) No. 17 ←→ 21 Rear interior antenna - All doors closed, power OFF, access key not in passenger room, touch sensor (lock) OFF → ON No pulse output → Pulse output detected
(i241) No. 18 ←→ 21 Rear interior antenna + All doors closed, power OFF, access key not in passenger room, touch sensor (lock) OFF → ON No pulse output → Pulse output detected
(i241) No. 19 ←→ 21 Center interior antenna - All doors closed, power OFF, access key not in passenger room, touch sensor (lock) OFF → ON No pulse output → Pulse output detected
(i241) No. 20 ←→ 21 Center interior antenna + All doors closed, power OFF, access key not in passenger room, touch sensor (lock) OFF → ON No pulse output → Pulse output detected
(i241) No. 21 ←→ Chassis ground Ground Always (1) Less than 1 Ω
(i241) No. 22 - - -
(i241) No. 23 ←→ Chassis ground ID code box presence judgment terminal Always (1) With ID code box Less than 1 Ω
      Without ID code box 1 MΩ or more
(i241) No. 24 ←→ 21 Request switch input Power OFF, all doors locked, trunk or rear gate lock button OFF → ON 9.5 V or more → less than 2 V
(i241) No. 25 ←→ 21 Passenger's lock sensor signal Power OFF, all doors closed, all doors locked, access key carried, passenger's seat touch sensor (lock) OFF → ON 9.5 V or more → less than 2 V (→ 9.5 V or more)
(i241) No. 26 ←→ 21 Driver's lock sensor signal Power OFF, all doors closed, all doors locked, access key carried, driver's seat touch sensor (lock) OFF → ON 9.5 V or more → less than 2 V (→ 9.5 V or more)
(i241) No. 27 - - -
(i241) No. 28 ←→ 21 Passenger's unlock sensor signal Power OFF, all doors closed, all doors locked, access key carried, passenger's seat touch sensor (unlock) OFF → ON 9.5 V or more → less than 2 V (→ 9.5 V or more)
(i241) No. 29 ←→ 21 Driver's unlock sensor signal Power OFF, all doors closed, all doors locked, access key carried, driver's seat touch sensor (unlock) OFF → ON 9.5 V or more → less than 2 V (→ 9.5 V or more)
(i241) No. 30 - - -
(i241) No. 31 ←→ Chassis ground (except for MT model) Stop light switch input Brake pedal depressed → released 9.5 V or more → 1 V or less
(i241) No. 32 ←→ Chassis ground Vehicle speed signal input Always 30 kΩ or more
(i241) No. 33 - - -
(i241) No. 34 ←→ 21 (except for MT model) Neutral switch input Shift position N → any shift position other than P or N Less than 2 V → 9.5 V or more
(i241) No. 35 ←→ 21 Starter drive request Shift lever is in position P or position N and access key is in passenger compartment. While depressing the brake pedal (AT model) or clutch pedal (MT model), press the push button ignition switch (engine starts). Less than 2 V → 9.5 V or more
(i241) No. 36 ←→ 21 ACC cutoff input When brake pedal (AT model) or clutch pedal (MT model) depressed, push button ignition switch pressed (while cranking) → Except when cranking Less than 2 V → 9.5 V or more
(i241) No. 37 ←→ 21 Immobilizer collation Ignition switch ON 7 V or more → pulse generates temporarily
(i241) No. 38 - - -
(i241) No. 39 - - -
(i241) No. 40 ←→ Chassis ground +B power supply 2 (DCDC backup) Always (1) 9.5 - 16 V
NOTE:
(1) Perform while the control module connector is disconnected.