Transmission Control System

P1780 - Park/Neutral Position Switch Malfunction

CIRCUIT DESCRIPTION

DTC Detection Condition:

The park/neutral position switch detects the shift lever position and sends signals to the ECM.
The ECM receives signals (PNP SW, REVERSE, DRIVE, 2ND and LOW) from the park/neutral position switch.

Wiring Diagram (Part 1):

Wiring Diagram (Part 2):

Steps 1 - 2:

Step 3:

INSPECTION PROCEDURE