3. Check PNP Switch Input Signal Circuit For Open And Short

1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 102 and PNP switch terminal 1.

   Refer to Wiring Diagram.

   1. Continuity should exist  .
3. Also check harness for short to ground and short to power.

OK or NG 

OK: GO TO 4.

NG: Repair open circuit or short to ground or short to power in harness or connectors.