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P0335 Crankshaft Position (CKP) Sensor Circuit-Malfunction

AutoHex Online Help: Hyundai H-1(A1) 2009
TROUBLESHOOTING FOR DTCS (MELCO EMS)

DTC

Diagnostic item

P0335

Crankshaft Position Sensor Circuit Malfunction

DESCRIPTION

The Crankshaft Position (CKP) sensor consists of a magnet and coil locatednext to the flywheel. The voltage signal from the CKP sensor allows the EngineControl Module (ECM) to determine the engine of the RPM and Crankshaft Position.

TROUBLESHOOTING GUIDE

DTC detection condition

Probable cause

Background

· When the engine is running, the Crankshaft Position sensor outputs a pulse signal.

· The Engine Control Module checks whether the pulse signal is input while the engine is cranking.

Check Area

· Engine is being cranked.

Judgment Criteria

· Sensor output voltage has not changed (no pulse signal is input) for 4 sec.

Check Area, Judgment

· ptxt>Normal signal pattern has not been input for cylinder identification from the crankshaft position sensor signal and camshaft position sensor signaln for 4 sec.

· Crankshaft position sensor failed

· Open or shorted crankshaft position sensor circuit

· Engine control module failed

CIRCUIT DIAGRAM
TEST PROCEDURE