Code 1003

When the gear position is in "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.







DIAGNOSTIC CHART




OVERALL FUNCTION CHECK
This procedure can be used for checking the overall function of the park/neutral position switch circuit. During this check, a DTC might not be confirmed.

CONSULT
1) Turn ignition switch "ON".




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

OR

CONSULT



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




3) Check the "P/N POSI SW" signal in the conditions shown in the image.

OR

NO TOOLS
1) Turn ignition switch "ON".







2) Check voltage between ECM terminal (22) and body ground shown in the image.




WIRING DIAGRAM