AUTOMATIC TRANSAXLE DIAGNOSIS
STEP 33. Check the switch output voltage at PCM
(4) Measure the voltage between terminal 110 and ground by
Voltage should be battery positive voltage.
(5) Turn the ignition switch to "LOCK" (OFF) position.
Q: Is the voltage normal?
STEP 34. 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
DTC 28: Park/Neutral Position Switch System (Short Circuit)
Park/Neutral Position Switch System Circuit
DTC SET CONDITIONS
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set:)
Malfunction of the Park/Neutral position switch
Malfunction of the ignition switch
Damaged harness, connector
Malfunction of the PCM