DTC 1003

DESCRIPTION
When the gear position is "P" (A/T models only) or "N", park" neutral position switch is "ON".
ECM detects the park/neutral position when continuity with ground exists.




DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE

OVERALL FUNCTION CHECK
Use this procedure to check the overall function of the park/neutral position switch circuit. During this check, a DTC might not be confirmed.

WITH CONSULT
1. Turn ignition switch "ON".




2. Perform "PARK/NEUT POSI SW CKT" in "FUNCTION TEST" mode with CONSULT.

OR

WITH CONSULT




2. Select "P/N POSI SW" in "DATA MONITOR" mode with CONSULT.




3. Check the "P/N POSI 5W" signal under these conditions.

OR

WITH NO TOOLS
1. Turn ignition switch "ON".







2. Check voltage between ECM terminal (2) and body ground under the following conditions.




WIRING DIAGRAM




DIAGNOSTIC PROCEDURE - NEUTRAL POSITION SWITCH










DIAGNOSTIC PROCEDURE - INHIBITOR SWITCH

COMPONENT INSPECTION
Inhibitor relay (A/T models with ASCD)




Check continuity between terminals (6) and (7).




If NG replace relay.

Inhibitor relay (A/T models without ASCD)




Check continuity between terminals (3) and (5).




If NG replace relay.