DTC P1518: Starter Switch Circuit Low Input

Perform test procedure. See TESTING PROCEDURE . On A/T models, place inhibitor switch in Park, then Neutral position and attempt to start engine. On M/T models, depress clutch pedal. If starter operates, locate and repair short to ground or open circuit in wiring between ECM and starter. See STARTING/CHARGING in appropriate SYSTEM WIRING DIAGRAMS article in ELECTRICAL. If starter does not operate, check starter circuit. Clear memory and perform verification procedure. See CLEARING DIAGNOSTIC TROUBLE CODES  and VERIFICATION PROCEDURE  .