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Home >> Subaru >> 2022 >> Forester Base >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System (Diagnostics) >> Diagnostic Procedure with Cancel Code >> 16

Diagnostic Procedure with Cancel Code: 16

Detected when ignition switch is turned to OFF or malfunction related to the ignition switch occurs.

Trouble symptom: 

Cruise control cannot be set.

Wiring diagram: 

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

G11256898Courtesy of SUBARU OF AMERICA, INC.
CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to CRUISE CONTROL (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .
  1. CHECK IGNITION SWITCH CIRCUIT  .
    1. Turn the ignition switch to OFF.
    2. Disconnect the ECM connector.
    3. Turn the ignition switch to ON.
    4. Measure the voltage between ECM connector and chassis ground.

    Connector & terminal 

    (B134) No. 56 (+) - Chassis ground (-):

    Is the voltage 10 V or more?

    Yes  : Check for poor contact of ECM connector.

    No

    • Check fuse No. 5 (fuse & relay box).
    • Check the harness for open or short circuit between ignition switch and ECM.