mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 611 > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 609
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Circuit Open/Short Inspection

1. Disconnect the PCM connector.
2. Inspect the following harnesses for open or short circuit. (Continuity check)

Open circuit

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ECT sensor terminal A and PCM terminal 2AQ

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ECT sensor terminal B and PCM terminal 2AJ

Short circuit

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ECT sensor terminal A and power supply

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ECT sensor terminal A and body ground

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ECT sensor terminal B and power supply

Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 611 > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 609