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Home >> Ford >> 2005 >> Escape Hybrid, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (Engine Controls - Pinpoint Test A: No Start Through Pinpoint Test DJ: Air Conditioner Evaporator Temperature (ACET) Sensor - (Except Diesel & Hybrid)) >> Pinpoint Test DG: Knock Sensor >> Test Procedure

Test Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE: Proceed to DTC testing steps listed in FAULT CODE SETTING CONDITION  table of fault code setting condition.
FAULT CODE SETTING CONDITION

Fault Code Testing
P0325, P0326  DG1
P0330, P0331  DG2
  1. DG1 KOER AND CONTINUOUS MEMORY DTCS P0325 AND P0326: CHECK THE RESISTANCE OF KS1 
    • Verify the KS is connected and properly installed.
    • KS connector disconnected.
    • Measure the resistance between:
      (+) KS Connector, Component Side (-) KS Connector, Component Side
      KS1- KS1+

    Is the resistance between 4.39M ohms - 5.35M ohms? 

    Yes No
    Key in OFF position.
    GO to  DG3.    		 INSTALL a new KS.
  2. DG2 KOER AND CONTINUOUS MEMORY DTCS P0330 AND P0331: CHECK THE RESISTANCE OF KS2 
    • Verify the KS is connected and properly installed.
    • KS connector disconnected.
    • Measure the resistance between:
      (+) KS2 Sensor Connector, Component Side (-) KS2 Sensor Connector, Component Side
      KS2- KS2+

    Is the resistance between 4.39M ohms - 5.35M ohms? 

    Yes No
    Key in OFF position.
    GO to  DG4.    		 INSTALL a new KS2.
  3. DG3 CHECK THE KS1+ CIRCUIT FOR AN OPEN IN THE HARNESS 
    • PCM connector disconnected.
    • Measure the resistance between:
      (+) KS Connector, Harness Side (-) PCM Connector, Harness Side
      KS1+ KS1+

    Is the resistance less than 5 ohms? 

    Yes No
    GO to  DG5. REPAIR the open circuit.
  4. DG4 CHECK THE KS2+ CIRCUIT FOR AN OPEN IN THE HARNESS 
    • Measure the resistance between:
      (+) KS2 Sensor Connector, Harness Side (-) PCM Connector, Harness Side
      KS2+ KS2+

    Is the resistance less than 5 ohms? 

    Yes No
    GO to  DG6. REPAIR the open circuit.
  5. DG5 CHECK THE KS1- CIRCUIT FOR AN OPEN IN THE HARNESS 
    • Measure the resistance between:
      (+) KS Connector, Harness Side (-) PCM Connector, Harness Side
      KS1- KS1-

    Is the resistance less than 5 ohms? 

    Yes No
    GO to  DG7. REPAIR the open circuit.
  6. DG6 CHECK THE KS2- CIRCUIT FOR AN OPEN IN THE HARNESS 
    • Measure the resistance between:
      (+) KS2 Sensor Connector, Harness Side (-) PCM Connector, Harness Side
      KS2- KS2-

    Is the resistance less than 5 ohms? 

    Yes No
    GO to  DG8. REPAIR the open circuit.
  7. DG7 CHECK THE KS1+ CIRCUIT FOR A SHORT TO GROUND IN THE HARNESS 
    • Measure the resistance between:
      (+) KS Connector, Component Side (-) Vehicle Battery
      KS1+ Negative terminal

    Is the resistance greater than 10K ohms? 

    Yes No
    GO to  DG9. REPAIR the short circuit to GND.
  8. DG8 CHECK THE KS2+ CIRCUIT FOR A SHORT TO GROUND IN THE HARNESS 
    • Measure the resistance between:
      (+) KS2 Sensor Connector, Component Side (-) Vehicle Battery
      KS2+ Negative terminal

    Is the resistance greater than 10K ohms? 

    Yes No
    GO to  DG10. REPAIR the short circuit to GND.
  9. DG9 CHECK THE KS1- CIRCUIT FOR A SHORT TO GROUND IN THE HARNESS 
    • Measure the resistance between:
      (+) KS Connector, Harness Side (-) Vehicle Battery
      KS1- Negative terminal

    Is the resistance greater than 10K ohms? 

    Yes No
    GO to  DG11. REPAIR the short circuit to GND.
  10. DG10 CHECK THE KS2- CIRCUIT FOR A SHORT TO GROUND IN THE HARNESS 
    • Measure the resistance between:
      (+) KS2 Sensor Connector, Harness Side (-) Vehicle Battery
      KS2- Negative terminal

    Is the resistance greater than 10K ohms? 

    Yes No
    GO to  DG12. REPAIR the short circuit to GND.
  11. DG11 CHECK THE KS1+ CIRCUIT FOR A SHORT TO POWER IN THE HARNESS 
    • Measure the resistance between:
      (+) KS Connector, Harness Side (-) PCM Connector, Harness Side
      KS1+ VPWR
      KS1+ VREF

    Are the resistances greater than 10K ohms? 

    Yes No
    GO to  DG13. REPAIR the short circuit to PWR.
  12. DG12 CHECK THE KS2+ CIRCUIT FOR A SHORT TO POWER IN THE HARNESS 
    • Measure the resistance between:
      (+) KS2 Sensor Connector, Harness Side (-) PCM Connector, Harness Side
      KS2+ VREF
      KS2+ VPWR

    Are the resistances greater than 10K ohms? 

    Yes No
    GO to  DG14. REPAIR the short circuit to PWR.
  13. DG13 CHECK THE KS1- CIRCUIT FOR A SHORT TO POWER IN THE HARNESS 
    • Measure the resistance between:
      (+) KS Connector, Harness Side (-) PCM Connector, Harness Side
      KS1- VREF
      KS1- VPWR

    Are the resistances greater than 10K ohms? 

    Yes No
    GO to  DG15. REPAIR the short circuit to PWR.
  14. DG14 CHECK THE KS2- CIRCUIT FOR A SHORT TO POWER IN THE HARNESS 
    • Measure the resistance between:
      (+) KS2 Sensor Connector, Harness Side (-) PCM Connector, Harness Side
      KS2- VREF
      KS2- VPWR

    Are the resistances greater than 10K ohms? 

    Yes No
    GO to  DG16. REPAIR the short circuit to PWR.
  15. DG15 CHECK THE KS1- CIRCUIT FOR INTERMITTENT FAULTS 
    NOTE: Carefully wiggle all accessible wiring and connectors associated with the KS circuit.
    • Measure the resistance between:
      (+) KS Connector, Harness Side (-) PCM Connector, Harness Side
      KS1- KS1-

    Is the resistance less than 5 ohms? 

    Yes No
    GO to  DG17. REPAIR the open circuit.
  16. DG16 CHECK THE KS2- CIRCUIT FOR INTERMITTENT FAULTS 
    NOTE: Carefully wiggle all accessible wiring and connectors associated with the KS circuit.
    • Measure the resistance between:
      (+) KS2 Sensor Connector, Harness Side (-) PCM Connector, Harness Side
      KS2- KS2-

    Is the resistance less than 5 ohms? 

    Yes No
    GO to  DG18. REPAIR the open circuit.
  17. DG17 CHECK THE KS1+ CIRCUIT FOR INTERMITTENT FAULTS 
    NOTE: Carefully wiggle all accessible wiring and connectors associated with the KS circuit.
    • Measure the resistance between:
      (+) KS Connector, Harness Side (-) PCM Connector, Harness Side
      KS1+ KS1+

    Is the resistance less than 5 ohms? 

    Yes No
    INSTALL a new PCM. REFER to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) . REPAIR the open circuit.
  18. DG18 CHECK THE KS2+ CIRCUIT FOR INTERMITTENT FAULTS 
    NOTE: Carefully wiggle all accessible wiring and connectors associated with the KS circuit.
    • Measure the resistance between:
      (+) KS2 Sensor Connector, Harness Side (-) PCM Connector, Harness Side
      KS2+ KS2+

    Is the resistance less than 5 ohms? 

    Yes No
    INSTALL a new PCM. REFER to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) . REPAIR the open circuit.
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