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Pinpoint Test G: Timing/Coast Clutch Solenoid (3-2T/CCS)

WARNING: This page is about a different variant/trim than selected.
  1. G1 ELECTRONIC DIAGNOSTICS 
    • Key in OFF position.
    • Connect: Transaxle Connector.
    • Connect the scan tool.
    • Key in ON position.
    • Carry out KOEO Test until continuous DTCs have been displayed.
    • Enter Output Test Mode (OTM). Refer to ON-BOARD DIAGNOSTICS .
    • Select the mode ALL ON. Push START to turn outputs on. Push STOP to turn outputs off.
    • Does vehicle enter OTM? 
    1. Yes  : REMAIN in OTM. GO to G2.
    2. No  : PRESS START. If vehicle does not enter OTM, refer to INTRODUCTION - GASOLINE article for Escape (gasoline) and Mariner or INTRODUCTION- HYBRID ESCAPE article for Escape (Hybrid).
  2. G2 CHECK ELECTRICAL SIGNAL OPERATION 
    CAUTION: Do not try to remove the connector with a screwdriver, press and pull transaxle vehicle harness connector.
    • Key in OFF position.
    • Disconnect: Transaxle Connector.
    • Use a mirror to inspect both ends of connector for damaged or pushed-out pins, corrosion, loose wires and missing or damaged seals.
    • Key in ON position.
    • Measure the voltage between pin 5 and pin 10 at the transaxle vehicle harness connector.
      Fig 1: Measuring Voltage Between Pin 5 And Pin 10 At Transaxle Vehicle Harness Connector
      G03900600Courtesy of FORD MOTOR CO.
    • Observe voltmeter and press START and STOP to cycle solenoid output on and off.
    • Does the suspect solenoid output voltage change at least 0.5 volt? 
    1. Yes  : GO to  G6.
    2. No  : GO to G3.
  3. G3 CHECK CONTINUITY OF SOLENOID SIGNAL AND VPWR HARNESS CIRCUIT 
    • Key in OFF position.
    • Disconnect: PCM.
    • Inspect for damaged or pushed-out pins, corrosion, loose wires and missing or damaged seals.
    • Measure the resistance between the PCM pins C35 and C36 and transaxle vehicle harness connector pin 5.
      Fig 2: Measuring Resistance Between PCM And Transaxle Vehicle Harness
      G03900601Courtesy of FORD MOTOR CO.
    • Measure the resistance between the PCM pin T23 and the transaxle vehicle harness connector pin 10.
      Fig 3: Measuring Resistance Between PCM And Transaxle Vehicle Harness
      G03900602Courtesy of FORD MOTOR CO.
    • Is each resistance less than 5 ohms? 
    1. Yes  : GO to G4.
    2. No  : REPAIR the circuit(s). RECONNECT all components. CLEAR the DTCs. RERUN On-Board Diagnostics tests.
  4. G4 CHECK HARNESS FOR SHORT TO POWER OR GROUND 
    • Disconnect: PCM.
    • Disconnect: Transaxle Harness.
    • Measure the resistance between the PCM pin T23 and the PCM pins C35 and C36.
      Fig 4: Measuring Resistance Between PCM Pins
      G03900603Courtesy of FORD MOTOR CO.
    • Measure the resistance between the PCM pin T23 and the PCM pins C47, C48 and C49.
      Fig 5: Measuring Resistance Between PCM Pins
      G03900604Courtesy of FORD MOTOR CO.
    • Measure the resistance between the PCM pin T23 and the PCM pin T41.
      Fig 6: Measuring Resistance Between PCM Pins
      G03900605Courtesy of FORD MOTOR CO.
    • Is each resistance greater than 10,000 ohms? 
    1. Yes  : GO to G5.
    2. No  : REPAIR the circuit. RECONNECT all components. RERUN On-Board Diagnostics tests.
  5. G5 TRANSAXLE FUNCTIONAL TEST 
    CAUTION: Do not pry on the connector. This will damage the connector and can result in a transaxle concern. Pull on the connector harness.
    NOTE: LED will turn GREEN when solenoid activates and turn OFF when deactivated. LED will turn RED if an activated solenoid/harness is shorted to battery positive. LED will remain OFF if an activated solenoid/harness is shorted to ground or no continuity (open circuit).
    • Disconnect: Transaxle Harness Connector.
    • Connect: Transmission Tester.
    • Carry out all Static Testing - Engine OFF procedures for the shift solenoids.
    • Does solenoid (LED green) activate? 
    1. Yes  : GO to G6.
    2. No  : GO to  G7.
  6. G6 TRANSAXLE DRIVE TEST 
    • Connect: PCM.
    • Disconnect: Transaxle Harness.
    • Connect: Transmission Tester.
    • Set Bench/Drive switch to DRIVE mode.
    • Rotate gear selector switch to 1st gear position.
    • Carry out the 3-2T/CCS Function Test outlined in the Transmission Tester manual.
    • When the 3-2T/CCS switch is released, does engine braking occur and does the 3-2T/CCS engage (LED OFF)? 
    1. Yes  : INSTALL a new PCM. RERUN On-Board Diagnostics tests.
    2. No  : GO to G7.
  7. G7 CHECK RESISTANCE OF SOLENOID 
    • Measure the resistance between VPWR jack and 3-2T/CCS jack on the Transmission Tester.
      Fig 7: Measuring Resistance Between VPWR Jack And 3-2T/CCS Jack On Transmission Tester
      G03900606Courtesy of FORD MOTOR CO.
    • Is the resistance between 3.75-5.92 ohms? 
    1. Yes  : GO to G8.
    2. No  : INSTALL a new solenoid body assembly. REFER to MAIN CONTROL VALVE BODY . CLEAR the DTCs. RERUN On-Board Diagnostics tests.
  8. G8 CHECK SOLENOID FOR SHORT TO GROUND 
    • Measure the resistance between jack BAT- (engine ground) and VPWR jack and 3-2T/CCS jack on the Transmission Tester.
      Fig 8: Measuring Resistance Between Jack BAT- (Engine Ground) And VPWR Jack And 3-2T/CCS Jack On Transmission Tester
      G03900607Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    1. Yes  : INSTALL a new solenoid body assembly. REFER to MAIN CONTROL VALVE BODY . CLEAR the DTCs. RERUN On-Board Diagnostics tests.
    2. No  : REFER to DIAGNOSIS BY SYMPTOM .
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