Diagnostic Procedure with Cancel Code: 14

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Detected when the select lever is shifted to the neutral position, or when an error related to the neutral position switch occurs.

Trouble symptom:

Cruise control cannot be set.

Wiring diagram:

Cruise control system Ref. to WIRING SYSTEM>CRUISE CONTROL SYSTEM>WIRING DIAGRAM

Courtesy of SUBARU OF AMERICA, INC.

CAUTION:

Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to CRUISE CONTROL (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION

CHECK NEUTRAL POSITION SWITCH CIRCUIT .
1. Turn the ignition switch to OFF.
2. Disconnect the neutral position switch connector. Ref. to MANUAL TRANSMISSION AND DIFFERENTIAL (TY75)>SWITCHES AND HARNESS
3. Turn the ignition switch to ON.
4. Measure the voltage between neutral position switch connector and chassis ground.
  Connector & terminal
  
  (T44) No. 2 (+) - Chassis ground (-):
Is the voltage 10 V or more?

Yes : Go to 2.

No : Check for open or short in the harness between neutral position switch and ECM.
CHECK NEUTRAL POSITION SWITCH CIRCUIT .
1. Turn the ignition switch to OFF.
2. Disconnect the ECM connector. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>ENGINE CONTROL MODULE (ECM)
3. Measure the resistance between neutral position switch connector and ECM connector.
  Connector & terminal
  
  (T44) No. 1 - (E52) No. 13:
Is the resistance less than 10 Ω?

Yes : Go to 3.

No : Repair the harness.
PERFORM UNIT INSPECTION OF NEUTRAL POSITION SWITCH .
Remove and check the neutral position switch. Ref. to MANUAL TRANSMISSION AND DIFFERENTIAL (TY75)>SWITCHES AND HARNESS>INSPECTION

Is the check result OK?

Yes : Replace the ECM. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>ENGINE CONTROL MODULE (ECM)

No : Replace the neutral position switch. Ref. to MANUAL TRANSMISSION AND DIFFERENTIAL (TY75)>SWITCHES AND HARNESS