STEP/SEQUENCE RESULT WHAT TO DO NEXT TM 9-2320-363-20-1 Section 4 TROUBLESHOOTING CHARTS E.  FLASH CODE:    14 J1587 CODE:     P110 3 - COOLANT TEMPERATURE CIRCUIT FAILED HIGH (VOLTAGE HIGH) OR: P175 3 - OIL TEMPERATURE CIRCUIT FAILED HIGH (VOLTAGE HIGH) 14-5  Check for Short to    +5 Volt Line Turn ignition off. Less than or equal to Signal line (ckt#120) is short- Remove jumper wire. 10,000 ohms. ed to the engine +5 Volt line (ckt#416), and/or (ckt#120) Disconnect the engine harness line is shorted to ground connector at the ECM. and/or signal sensor return Read resistance between sockets (ckt#452).  Repair short. R2 (ckt#120) and W1 (ckt#416) Then go to 14-30. on the engine harness connector. Greater than 10,000- Go to 14-7. ohms or open. 14-6  Check CTS    Connectors Inspect terminals at the Terminals and Replace CTS.  Then go CTS connector (both the sensor connectors are okay. to 14-30. and harness side) for damage; bent, corroded, and unseated Problem found. Repair terminals/connectors. pins or sockets. Then go to 14-30. 14-7  Check OTS    Connectors Inspect terminals at the OTS Terminals and Replace OTS.  Then go connector (both the sensor connectors are okay. to 14-30. and harness side) for damage; bent, corroded, and unseated Problem found. Repair terminals/connectors. pins or sockets. Then go to 14-30. 14-8  Open line Check Turn ignition off. Less than or Go to 14-10. Disconnect the engine harness equal to 5 ohms. connector at the ECM. Read resistance between sockets Greater than Signal line (ckt#133) or return P3 (ckt#133) and Y2 (ckt#452) 5 ohms or open. line (ckt#452) is open.  Repair on the engine harness connector. open.  Then go to 14-30. Change 3  3-345.201