DTC P1518 Starter Switch Circuit Low Input

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

DTC DETECTING CONDITION:

Two consecutive driving cycles with fault
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, conduct Clear Memory Mode < Ref. to , OPERATION , Clear Memory Mode.> and Inspection Mode < Ref. to , PROCEDURE , Inspection Mode.>.

WIRING DIAGRAM:

Fig 1: DTC P1518 Starter Switch Circuit Low Input

Courtesy of SUBARU OF AMERICA, INC.

DTC P1518 STARTER SWITCH CIRCUIT LOW INPUT DIAGNOSIS

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. >