Wiring Diagram:

WARNING: This page is about a different variant/trim than selected.

Fig 1: Wiring Diagram - DTC P1518 Starter Switch Circuit Low Input

Courtesy of SUBARU OF AMERICA, INC.

DTC P1518 DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1. CHECK OPERATION OF STARTER MOTOR. Place the inhibitor switch in the "P" or "N" range. (AT model) Depress the clutch pedal. (MT model) Check that the security alarm does not beep.	Does the starter motor operate when ignition switch is turned to "ST"?	Repair harness and connector. NOTE: In this case, repair the following: Open or ground short circuit in harness between ECM and starter motor connector Poor contact in ECM connector	Check starter motor circuit. < Ref. to , STARTER MOTOR CIRCUIT , Diagnostics for Engine Starting Failure. >