Pinpoint Test W : Turbine Shaft Speed Sensor
- W1 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 W2. For DTC P0715 and P0720, GO to W7. No GO to Symptom Chart . - W2 CHECK TSS SENSOR SIGNAL CIRCUIT FOR AN OPEN
- Ignition OFF.
- Disconnect: Transmission Vehicle Harness C168 .
- Disconnect: PCM C1551E .
- Inspect the connectors for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.
- Measure the resistance
between.
Positive Lead Negative Lead Pin Circuit Pin Circuit C168-19 RET33 (WH/VT) C1551E-27 RET33 (WH/VT)
Is the resistance less than 3 ohms?
Yes GO to W3. No REPAIR the circuit. - W3 CHECK TSS SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND
- Measure the resistance
between.
Positive Lead Negative Lead Pin Circuit Pin Circuit C168-19 RET33 (WH/VT) - Ground
Is the resistance greater than 10, 000 ohms?
Yes GO to W4. No REPAIR the circuit. - Measure the resistance
between.
- W4 CHECK TSS SENSOR SIGNAL CIRCUIT FOR A SHORT TO POWER
- Ignition ON.
- Measure the voltage
between.
Positive Lead Negative Lead Pin Circuit Pin Circuit C168-19 RET33 (WH/VT) - Ground
Is any voltage present?
Yes REPAIR the circuit. No GO to W5. - W5 CHECK THE TSS SENSOR GROUND CIRCUIT
- Ignition OFF.
- Connect: PCM C1551E .
- Ignition ON.
- Measure the voltage
between.
Positive Lead Negative Lead Pin Circuit Pin Circuit C168-19 RET33 (WH/VT) C168-9 RET24 (BN/BU)
Is voltage less than 4.8 volts?
Yes REPAIR the circuit. No GO to W6. - W6 CHECK THE SOLENOID BODY SIGNAL CIRCUIT FOR AN OPEN
- Ignition OFF.
- Remove the main control cover. REFER to Main Control Cover - 3.5L GTDI .
- Disconnect: TSS Sensor.
- Measure the component side resistance
between.
Positive Lead Negative Lead Pin Circuit Pin Circuit 19 - 3 -
Is the resistance greater than 0.5 ohms?
Yes INSTALL a new solenoid body assembly. REFER to Solenoid Body Assembly . PERFORM the Solenoid Body Strategy Data Download procedure. REFER to Solenoid Body Strategy Download . No INSTALL a new TSS sensor. REFER to Turbine Shaft Speed (TSS) Sensor . - W7 CHECK TSS SENSOR VPWR CIRCUIT FOR AN OPEN
- Ignition OFF.
- Disconnect: Transmission Vehicle Harness C168 .
- Inspect the connectors for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.
- Ignition ON.
- Measure the voltage
between.
Positive Lead Negative Lead Pin Circuit Pin Circuit C168-20 LE111 (VT/GN) - Ground
Is the voltage less than 10 volts?
Yes REPAIR the circuit. If an open circuit is not found, INSTALL a new PCM. REFER to Electronic Engine Controls . PERFORM the Solenoid Body Strategy Data Download procedure. REFER to Solenoid Body Strategy Download . No INSTALL a new solenoid body assembly. REFER to Solenoid Body Assembly . PERFORM the Solenoid Body Strategy Data Download procedure. REFER to Solenoid Body Strategy Download .


