TESTING

Justy and Loyale

The CMP sensor in the distributor is not serviceable. The distributor should be replaced if the CMP sensor is found to be defective.

Except SVX

1. Disconnect the CMP sensor connector.
2. Connect a voltmeter across the CMP sensor terminals.
3. Crank the engine. Voltage should vary around 0.1 volt alternating current and in time with engine movement.
4. If the CMP sensor tests satisfactorily, check the CMP sensor harness.

SVX

1. Remove the CMP sensor from the engine.
2. Connect a lab-type oscilloscope across the CMP terminals. Set the voltage scale to low level.
3. Wave a magnet past the CMP pickup area. The magnet should pass as close as possible without contacting the CMP sensor.
4. Examine the waveform on the oscilloscope as the magnet passes pickup. A waveform should appear as the magnet passes. If no waveform is present, replace the CMP sensor.