Pinpoint Test K : TSS (Turbine Shaft Speed) Sensor
WARNING: This page is about a different car, the 2015 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- K1 RETRIEVE AND RECORD ALL DTCS
- Using the diagnostic scan tool, retrieve all DTCs.
Are DTCs P0715, P0717, P0718 and/or P0720 present?
Yes For DTCs P0715, P0717 and P0718, GO to K2For DTCs P0715 and P0720, GO to K6 No REFER to: Diagnosis By Symptom . - K2 CHECK THE TSS (TURBINE SHAFT SPEED) SENSOR SIGNAL CIRCUIT FOR AN OPEN
- Ignition OFF.
- Disconnect Transmission Vehicle Harness C1520B .
- Disconnect PCM C1915E .
- Inspect the connectors for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.
Is the resistance less than 3 ohms?
Yes GO to K3 No REPAIR the circuit. - K3 CHECK THE TSS (TURBINE SHAFT SPEED) SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND
- Measure:
Positive Lead Measurement / Action Negative Lead C1520B-2 Ground
Is the resistance greater than 10, 000 ohms?
Yes GO to K4 No REPAIR the circuit. - Measure:
- K4 CHECK THE TSS (TURBINE SHAFT SPEED) SENSOR SIGNAL CIRCUIT FOR A SHORT TO POWER
- Ignition ON.
- Measure:
Positive Lead Measurement / Action Negative Lead C1520B-2 Ground
Is any voltage present?
Yes REPAIR the circuit. No GO to K5 - K5 CHECK THE TSS (TURBINE SHAFT SPEED) SENSOR GROUND CIRCUIT
- Ignition OFF.
- Connect PCM C1915E .
- Ignition ON.
Is voltage less than 4.8 volts?
Yes INSPECT and REPAIR the circuit. If an open circuit is not found, INSTALL a new PCM. Refer to: Powertrain Control Module (PCM) . PERFORM the Transmission Strategy Download, REFER to: Transmission Strategy Download . No INSTALL a new TSS. Refer to: Turbine Shaft Speed (TSS) Sensor . - K6 CHECK THE TSS (TURBINE SHAFT SPEED) SENSOR VEHICLE POWER CIRCUIT FOR AN OPEN
- Ignition OFF.
- Disconnect Transmission Vehicle Harness C1520B .
- Inspect the connector for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.
- Ignition ON.
- Measure:
Positive Lead Measurement / Action Negative Lead C1520B-3 Ground
Is the voltage less than 9.5 volts?
Yes INSPECT and REPAIR the circuit. If an open circuit is not found, INSTALL a new PCM. Refer to: Powertrain Control Module (PCM) . PERFORM the Transmission Strategy Download, REFER to: Transmission Strategy Download . No CLEAR the DTC. If Diagnostic Trouble Codes (DTCs) P0715 and/or P0720 return, INSTALL a new PCM. Refer to: Powertrain Control Module (PCM) . PERFORM the Transmission Strategy Download, REFER to: Transmission Strategy Download .