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AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-143 STEP 33. Check the switch output voltage at PCM (4) Measure the voltage between terminal 110 and ground by backprobing. • Voltage should be battery positive voltage. (5) Turn the ignition switch to "LOCK" (OFF) position. Q: Is the voltage normal? YES : Go to Step 10. 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 Connector Inspection . DTC 28: Park/Neutral Position Switch System (Short Circuit) Park/Neutral Position Switch System Circuit . CIRCUIT OPERATION . 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 AC004197 PCM AF CONNECTOR: C-42 AC001946 C-42 CONNECTOR AE AC004197 PCM AF CONNECTOR: C-42 |