DTC C1222: Abs Wheel Speed Sensor, Wheel Speed Mismatch

Diagnostic Procedure 

Fig 1: DTC C1222 Detection Condition & Possible Causes

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Fig 2: DTC C1222 Inspection & Action (Step 1)

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Fig 3: DTC C1222 Inspection & Action (Steps 2-4)

Courtesy of MAZDA MOTORS CORP.