April 5, 2026: LEMON Manuals is launched! Read the announcement.

Model Without Push Button Start

DTC detecting condition:

Immediately at fault recognition

Trouble symptom:

Failure of engine to start

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode Refer to ENGINE (DIAGNOSTICS) (STI)>CLEAR MEMORY MODE>OPERATION ., and inspection mode Refer to ENGINE (DIAGNOSTICS) (STI)>INSPECTION MODE>PROCEDURE .

Wiring diagram:

Engine Electrical System Refer to WIRING SYSTEM>ENGINE ELECTRICAL SYSTEM>WIRING DIAGRAM .

G13650247

Courtesy of SUBARU OF AMERICA, INC.

CHECK DTC.
Read the engine DTC using the Subaru Select Monitor or general scan tool. Refer to ENGINE (DIAGNOSTICS) (STI)>READ DIAGNOSTIC TROUBLE CODE (DTC) .

Is DTC other than P0617 displayed? (Current malfunction)

Yes: Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". Refer to ENGINE (DIAGNOSTICS) (STI)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .

No: Go to 2.
CHECK HARNESS BETWEEN ECM AND STARTER RELAY CONNECTOR.
1. Turn the ignition switch to OFF.
2. Disconnect the connector from ECM.
3. Turn the ignition switch to ON.
4. Measure the voltage between ECM connector and chassis ground.
Connector & terminal

(B136) No. 16 (+) - Chassis ground (-):

Is the voltage 10 V or more?

Yes: Repair the short circuit to power in harness between ECM connector and starter relay connector.

No: Repair the poor contact of ECM connector.