Check Cruise Control Command Switch: Wiring Diagram

2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Wiring Diagram

EyeSight System < Ref. to WIRING DIAGRAM , EyeSight System. >

  • Non-turbo model
    Fig 1: Cruise Control Switch Wiring Diagram (Non-Turbo Model)
    G09485354Courtesy of SUBARU OF AMERICA, INC.
  • Turbo model
    Fig 2: Cruise Control Switch Wiring Diagram (Turbo Model)
    G09485355Courtesy of SUBARU OF AMERICA, INC.
Step Check Yes No
1 CHECK CRUISE CONTROL COMMAND SWITCH CIRCUIT. 
  1. Remove the driver's airbag module. < Ref. to REMOVAL , Driver's Airbag Module. >
  2. Disconnect the harness connector of cruise control command switch.
  3. Turn the ignition switch to ON.
  4. Measure the voltage between harness connector terminal and chassis ground.

    Connector & terminal 

    (ST3) No. 4 (+) - Chassis ground (-): 

    (ST3) No. 3 (+) - Chassis ground (-): 

Is the voltage 5 V or more? Go to step . Check the harness between cruise control command switch and ECM, and the steering roll connector for open or short circuit, or for poor contact.
2 CHECK CRUISE CONTROL COMMAND SWITCH CIRCUIT. 
  1. Turn the ignition switch to OFF.
  2. Remove the cruise control command switch. < Ref. to REMOVAL , Cruise Control Command Switch. >
  3. Measure the resistance between harness connector terminal and chassis ground.

    Connector & terminal 

    (ST3) No. 9 - Chassis ground: 

Is the resistance less than 10 Ω? Go to step . Check for open circuit between cruise control command switch and chassis ground.
3 CHECK CRUISE CONTROL COMMAND SWITCH. 
Check the cruise control command switch.
Is the cruise control command switch normal? Replace the ECM. < Ref. to REMOVAL , Engine Control Module (ECM). > Replace the cruise control command switch.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.