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.

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

Wiring diagram:

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

G16528324

Courtesy of SUBARU OF AMERICA, INC.

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
  
  (B62) No. 56 (+) - Chassis ground (-):
Is the voltage 10 V or more?

Yes: Check for poor contact of ECM connector.

No:
- Check the fuse No. 26 (main fuse box). Ref. to WIRING SYSTEM>CRUISE CONTROL SYSTEM>WIRING DIAGRAM .
- Check the harness for open or short circuit between ignition switch and ECM.