Transmission Control System

DTC P1780 PARK/NEUTRAL POSITION SWITCH MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The park/neutral position switch detects the shift lever position and sends signals to the ECM.

The ECM receives signals (NSW, R, D, 2 and L) from the park/neutral position switch.

Wiring Diagram:

Step 1:

Step 2:

INSPECTION PROCEDURE