Visual inspection
- Remove the battery cover.
- Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] ).
- Remove the CKP sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION ).
- Verify that there are no metal shavings on the sensor.
- If the monitor item condition/specification (reference) is without the specification even though there is no malfunction, carry out the "Circuit Open/Short Inspection ".