Pinpoint Test F: The Remote Start Is Inoperative

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

F1 CHECK THE OPERATION OF THE IKT
- Press all of the IKT buttons and check for the correct operation of the key.
- Is the remote start the only function that is inoperative?
- Yes : GO to F2.
- No : To DIAGNOSE and REPAIR the Remote Keyless Entry (RKE) system, REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
F2 CHECK THE VEHICLE STARTING
- Attempt to start the vehicle with the ignition key.
- Did the vehicle start?
- Yes : GO to F3.
- No : This not a remote start issue. GO to SYMPTOM CHART to diagnose the no start condition.
F3 CHECK FOR ILLUMINATED ENGINE WARNING LAMPS
- With the engine running check the instrument cluster for illuminated warning lamps.
- Are any engine warning lamps illuminated?
- Yes : CARRY OUT self test of the PCM. DIAGNOSE and REPAIR any DTCs present. REFER to ELECTRONIC ENGINE CONTROLS - GASOLINE ENGINES or ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) (SECTION 0) .
- No : GO to F4.
F4 CHECK FOR RECORDED BCM AND TPM DTCS FROM THE SELF TEST
- Check the recorded DTCs from the BCM and TPM module self tests.
- Are any DTCs present?
- Yes : For DTC C113A:11 or C113A:15 GO to PINPOINT TEST D .
  For DTC B1305:01, REFER to ANTI-THEFT - PERIMETER .
  
  For DTC U0140:87 or U0422:68, REFER to WHEELS AND TIRES .
  
  For all other BCM DTCs, REFER to MULTIFUNCTION ELECTRONIC MODULES .
  
  For all other TPM module DTCs, REFER to WHEELS AND TIRES .
- No : GO to F5.
F5 CONFIRM THE REMOTE START FUNCTION IS ENABLED
- Ignition ON.
- Check the message center and confirm the remote start function is enabled. Refer to the Owner's Literature or INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .
- Is the remote start function enabled?
- Yes : GO to F6.
- No : ENABLE the remote start function. TEST the system for normal operation.
F6 CHECK THE BCM PID LAST RECEIVED RKE TRANSMITTER BUTTON PRESS (LST_RKE_xMTR)
- Using a diagnostic scan tool, view BCM PIDs.
- Press the remote start button on the IKT and note the status of BCM PID LST_RKE_xMTR.
- Does the PID indicate the remote start button was the last IKT button pressed?
- Yes : GO to F7.
- No : INSTALL a new IKT. REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . TEST the system for normal operation.
F7 CHECK THE PCM WAKE UP CIRCUIT
- Ignition OFF.
- Disconnect: PCM C175B.
- Ignition ON.
- Measure the voltage between PCM C175B-35, circuit CE436 (VT/OG), harness side and ground.
  
  Fig 1: Measuring Voltage Between PCM C175B-35, Circuit CE436 (VT/OG) And Ground
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 11 volts?
- Yes : INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS - GASOLINE ENGINES .
- No : REPAIR the circuit for an open. TEST the system for normal operation.