mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Engine Speed Sensor > < Crankshaft Position Sensor|Testing and Inspection
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Electric Load Sensor: Testing and Inspection

Central Processing Unit (CPU)

1.   Remove control unit and check voltage between terminals of junction box and body ground.
2.   If terminal inspection results are incorrect, refer to inspection chart and check the indicated system.
3.   If terminal inspection results are correct but system does not operate, replace CPU.

TERMINAL INSPECTION CHART

Engine Load Control Unit Testing Chart

Engine Speed Sensor > < Crankshaft Position Sensor|Testing and Inspection