Crankshaft Position Sensor
Description
The Crankshaft Position (CKP) sensor is located on the flywheel shell facing the gear teeth of the crankshaft signal
plate. The CKP sensor monitors any fluctuation in engine RPM. The sensor consists of a permanent magnet and an
induction coil.
Operation
The CKP sensor generates pulse signals that are sent to the Engine Control Module (ECM). The ECM interprets the
sensor signal to determine the crankshaft position. The ECM then uses this position, along with other inputs, to deter-
mine injector sequence and ignition timing.
Removal & Installation
1. Disconnect the negative battery cable.
2. Disconnect the CKP sensor electrical connector.
3. Remove the CKP sensor retaining bolt (1) and
remove the CKP sensor.
(Tighten: CKP sensor retaining bolt to 10 N·m)
4. Installation is in the reverse order of removal.
Camshaft Position Sensor
Description
The Camshaft Position (CMP) sensor is mounted on the cylinder head cover. The sensor consists of a permanent
magnet and Hall IC.
Operation
The CMP sensor detects the position of the camshaft and identifies when the number one piston is on its compres-
sion stroke. A signal is then sent to the Engine Control Module (ECM) and used for synchronizing the firing of
sequential fuel injectors.
Removal & Installation
1. Disconnect the negative battery cable.
2. Disconnect the CMP sensor electrical connector.
ON-VEHICLE SERVICE
PZSM030015
03–172
Chery Automobile Co., Ltd.
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