Related Diagnostic Procedures

DESCRIPTION
When the gear position is "P" (A/T models only) or "N", park/neutral position is "ON".
ECM detects the position because the continuity of the line (the "ON" signal) exists.
ECM receives signals from park position switch via A/T control unit.




DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE

OVERALL FUNCTION CHECK
Use this procedure to check the overall function of the park/neutral position switch. 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 SW" signal under the following conditions.

OR

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







(2) Check voltage between ECM terminal (22) and body ground under these conditions.

EC-PNP/SW-01 Park/Neutral Position Switch (DTC: 1003):

WIRING DIAGRAM







DIAGNOSTIC PROCEDURE - Inhibitor Switch (A/T Control Unit)