Diagnostic Aids

Perform this test only when directed by QUICK TEST. This test is intended to diagnose the following:

• Harness circuits; CKP and SIG RTN.
• Crankshaft Position (CKP) sensor.
• PCM.

For DTC P0335, CKP sensor resistance should be 106.5-203.5 ohms at 68°F (20°C).

For DTC P1336, inspect flywheel for chipped or damaged teeth.

Fig 1: Identifying Crankshaft Position Sensor Test Circuits

Courtesy of FORD MOTOR CO.