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) (BELOW) OR: P175 3.  OIL TEMPERATURE CIRCUIT FAILED HIGH (VOLTAGE HIGH) (BELOW) OR: P052 3 - INTERCOOLER TEMPERATURE CIRCUIT FAILED HIGH (VOLTAGE HIGH) TBD Note- This chart is only to be used if: 1) All basic mechanical checks and physical inspections have been performed with no problems found, and 2) Diagnosis of DDEC-III was started at step Start-1, pg 3-345.41 and you have now been referred here. 14-1  Code Check Turn ignition on. Plug in DDR and determine which PID 110 - FMI 3 Go to 14-2. code is present. PID 175 - FMI 3 Go to 14-3. 14-2  Coolant Temp Sensor    Check Turn ignition off. Code 110/4 (or any codes. Go to 14-4. Disconnect CTS and install except Code 110/3). a jumper between the CTS connector sockets A and B. Anything except Go to 14-8. Turn ignition on Code 110/4. Read active codes. 14-3  Oil Temp Sensor    Check Turn ignition off. Code 175/4 (or any codes Go to 14-5. Disconnect OTS and install except Code 175/4). jumper between OTS connector sockets A and B. Anything except Go to 14-9. Turn ignition on. Code 175/4. Read active codes. 14-4 Check for Short to +5 Volt Line Turn ignition off. Less than or equal to Signal line (ckt#133) is Remove jumper wire. 10,000 ohms. shorted to the engine +5 Volt Disconnect the engine harness line (ckt #416), and/or connector at the ECM. (ckt#133) signal line is Read resistance between sockets shorted to ground and/or P3 (ckt#133) and N1 (ckt#416) sensor return (ckt#452). on the engine harness connector. Repair short.  Then go to 14-30. Greater than 10,000 Go to 14-6. ohms or open. Change 3  3-345.199