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Crankshaft Position Sensor: Testing and Inspection




CRANKSHAFT POSITION (CKP) SENSOR INSPECTION [MZI-3.7]

NOTE:
- Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. Description and Operation

Visual Inspection

1. Remove the CKP sensor. Service and Repair

2. Verify that there are no metal shavings on the CKP sensor.

3. Install the CKP sensor. Service and Repair

Resistance Inspection

1. Remove the CKP sensor connector.

2. Measure the resistance between the CKP sensor terminals.

- If not within the specification, replace the CKP sensor. Service and Repair
- If the monitor item status/specification (reference) is not within the specification, even though the resistance is within the specification, perform the "Circuit Open/Short Inspection".

CKP sensor resistance
- 250-1,000 ohms

Circuit Open/Short Inspection





1. Disconnect the PCM connector. Service and Repair

2. Inspect the following harness for open or short circuit. (Continuity check)

Open circuit

- CKP sensor terminal A and PCM terminal 2P
- CKP sensor terminal B and PCM terminal 2T

Short circuit

- CKP sensor terminal A and power supply
- CKP sensor terminal A and body ground
- CKP sensor terminal B and power supply
- CKP sensor terminal B and body ground