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Home >> Jeep >> 2005 >> Wrangler X, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 627 (Powertrain Diagnostic Procedures - DRIVEABILITY - Gas - Symptom & Diagnostic Tests (DTCS P0031 To P1899)) >> DRIVEABILITY - Gas - Diagnostic Tests >> P0340-No Cam Reference Signal At Pcm (Gas - Except NGC) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECKING INTERMITTENT CMP SIGNAL WITH LAB SCOPE
  2. CRANK POSITION SENSOR SIGNAL
  3. (K7) 5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
  4. (K7) 5-VOLT SUPPLY CIRCUIT OPEN
  5. (K7) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
  6. (K44) CMP SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
  7. (K44) CMP SENSOR SIGNAL CIRCUIT OPEN
  8. (K44) CMP SENSOR SIGNAL CIRCUIT SHORTED GROUND
  9. (K44) CMP SENSOR SIGNAL SHORTED TO (K7) 5-VOLT SUPPLY CIRCUIT
  10. (K4) SENSOR GROUND CIRCUIT OPEN
  11. CAMSHAFT POSITION SENSOR
  12. PCM
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