DTC P1518 Starter Switch Circuit Low Input

WARNING: This page is about a different car, the 2006 Subaru Outback. However, it is still accessible from the selected car via links, so may be relevant.

DTC DETECTING CONDITION:

Immediately at fault recognition
GENERAL DESCRIPTION < Ref. to DTC P1518 STARTER SWITCH CIRCUIT LOW INPUT , Diagnostic Trouble Code (DTC) Detecting Criteria. >

TROUBLE SYMPTOM:

Failure of engine to start

CAUTION: After repair or replacement of faulty parts, perform Clear Memory Mode < Ref. to OPERATION , Clear Memory Mode. > and Inspection Mode < Ref. to PROCEDURE , Inspection Mode. >.

WIRING DIAGRAM:

Fig 1: Starting System - Wiring Diagram

DTC P1518 STARTER SWITCH CIRCUIT LOW INPUT - DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK OPERATION OF STARTER MOTOR. Place the inhibitor switch in "P" or "N" range.	Does the starter motor operate when ignition switch is turned to START?	Repair the harness and connector. NOTE: In this case, repair the following item: Open or ground short circuit of harness between ECM and starter motor connector Poor contact in ECM connector	Check the starter motor circuit. < Ref. to STARTER MOTOR CIRCUIT , Diagnostics for Engine Starting Failure. >