mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 2029 > < Component Tests and General Diagnostics
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2. Measure the output voltage using an oscilloscope.

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If not within the specification, replace the CKP sensor.

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If the monitor item condition/specification (reference) is without the specification, even though the voltage is within the specification, carry out
the "Circuit Open/Short Inspection".

Circuit Open/Short Inspection

1. Inspect the following wiring harnesses for an open or short circuit. (Continuity check)

Open circuit

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If there is no continuity, the circuit is open. Repair or replace the wiring harness.
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CKP sensor terminal A and PCM terminal 2P

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CKP sensor terminal B and PCM terminal 2W

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CKP sensor terminal C and main relay terminal E

Short circuit

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If there is continuity, the circuit is shorted. Repair or replace the wiring harness.
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CKP sensor terminal A and power supply

Component Tests and General Diagnostics|Page 2029 > < Component Tests and General Diagnostics