Diagnostic Procedure with Cancel Code: 16: Wiring Diagram

Fig 1: Ignition Switch Wiring Diagram

Courtesy of SUBARU OF AMERICA, INC.

Step	Check	Yes	No
1 CHECK IGNITION SWITCH CIRCUIT. Turn the ignition switch to OFF. Disconnect the ECM harness connector. Turn the ignition switch to ON. Measure the voltage between harness connector terminal and chassis ground. Connector & terminal (B136) No. 30 (+) - Chassis ground (-):	Is the voltage 10 V or more?	Check for poor contact of ECM connector.	Check fuse No. 12 (in fuse & relay box). Check the harness for open or short circuit between ignition switch and ECM.