CRANKSHAFT POSITION (CKP) SENSOR INSPECTION [MZR 2.5]

Visual Inspection

1. Remove the battery cover. Removal and Replacement

2. Disconnect the negative battery cable. Removal and Replacement

3. Remove the aerodynamic under cover and splash shield (RH) as a single unit. Service and Repair Service and Repair

4. Disconnect the CKP sensor connector.

5. Remove the CKP sensor. Service and Repair

6. Verify that there are no metal shavings on the sensor.

- If there is a malfunction, remove any metal shavings that are adhering.

Air Gap Inspection

1. Verify that the CKP sensor is securely installed.

2. Using a thickness gauge, measure the air gap between the plate projections at the back of crankshaft pulley and the CKP sensor.

- If not within the specification, inspect the plate projections for cracks or bending.

- If there is a malfunction, replace the crankshaft pulley. Service and Repair

CKP sensor air gap
- 0.5-1.5 mm {0.02-0.05 in}

Voltage Inspection

1. Idle the engine.

2. Measure the CKP signal and verify that rectangular waves are produced. Component Tests and General Diagnostics

- If not as specified, replace the CKP sensor. Service and Repair

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Crankshaft Position Sensor: Testing and Inspection

Use the Manual With the Right Hardware

When to See a Mechanic

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