P0335
DTC P0335
CIRCUIT DESCRIPTION
The hall effect crankshaft position (CKP) sensor signal indicates the crankshaft speed and position. There are 57 teeth on the front of the crankshaft sprocket, plus a sync gap. The CKP sensor will output an ON-OFF pulse as each window passes the sensing element. The CKP sensor is connected directly to the engine control module (ECM) by the following circuits:
- The 12-volt reference circuit
- The low reference circuit
- The CKP sensor signal circuit
DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC P0335 Crankshaft Position (CKP) Sensor Circuit
CONDITIONS FOR RUNNING THE DTC
- The engine is cranking or running.
- The camshaft position (CMP) sensor signal is present.
- DTC P0335 runs continuously when the above conditions are met.
CONDITIONS FOR SETTING THE DTC
The ECM determines no signal from the CKP sensor for less than 8 seconds.
ACTION TAKEN WHEN THE DTC SETS
- The control module illuminates the malfunction indicator lamp (MIL) when the diagnostic runs and fails.
- The control module records the operating conditions at the time the diagnostic fails. The control module stores this information in the Freeze Frame/Failure Records.
CONDITIONS FOR CLEARING THE MIL/DTC
- The control module turns OFF the malfunction indicator lamp (MIL) after 3 consecutive ignition cycles that the diagnostic runs and does not fail.
- A current DTC, Last Test Failed, clears when the diagnostic runs and passes.
- A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other emission related diagnostic.
- Clear the MIL and the DTC with a scan tool.
TEST
