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Circuit Open/Short Inspection: Notes

Fig 1: Identifying ECT Sensor Harness Connector
G04313887Courtesy of MAZDA MOTORS CORP.

Standard 

WATER TEMPERATURE AND RESISTANCE SPECIFICATION CHART

Water temperature (°C {°F}) Resistance (kohm)
20 {68} 35.48-39.20
70 {158} 5.07-5.60
80 {176} 3.65-4.02
Fig 2: PCM Connector Terminal Identification
G04313885Courtesy of MAZDA MOTORS CORP.
  1. Disconnect the PCM connector.
  2. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)