AUTOMATIC TRANSAXLE DIAGNOSIS
STEP 25. Check the switch output voltage at PCM
(4) Measure the voltage between terminal 109 and ground by
Voltage should be battery positive voltage.
(5) Turn the ignition switch to "LOCK"(OFF) position.
Q: Is the voltage normal?
STEP 26. Check connector C-42 at PCM for damage.
YES : Repair it because of the harness open circuit or short
circuit to ground between the Park/Neutral position
NO : Repair or replace it. Refer to GROUP 00E, Harness