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Home >> Mazda >> 2011 >> CX-9 Touring, 3.7 V, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (5 Of 5) >> DTC P2128: App Sensor No. 2 Circuit High Input >> Notes
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DTC P2128: App Sensor No. 2 Circuit High Input: Notes

DTC P2128 CHART (MZI-3.7)

DTC P2128 APP sensor No. 2 circuit high input
DETECTION CONDITION 
  • APP sensor No. 2 is out of self-test range high.
POSSIBLE CAUSE 
  • Connector or terminal malfunction
  • APP sensor malfunction
  • Open circuit wiring harness between APP sensor terminal F and PCM terminal 1X
  • Open circuit wiring harness between APP sensor terminal A and PCM terminal 1Z
  • Open circuit wiring harness between APP sensor terminal D and PCM terminal 1AB
  • Open circuit wiring harness between APP sensor terminal C and PCM terminal 1AD
  • Open circuit wiring harness between APP sensor terminal B and PCM terminal 1U
  • Short to power supply in wiring harness between APP sensor terminal F and PCM terminal 1X
  • Short to power supply in wiring harness between APP sensor terminal A and PCM terminal 1Z
  • Short to power supply in wiring harness between APP sensor terminal D and PCM terminal 1AB
  • Short to power supply in wiring harness between APP sensor terminal C and PCM terminal 1AD
  • Short to power supply in wiring harness between APP sensor terminal B and PCM terminal 1U
G00512233Courtesy of MAZDA MOTORS CORP.
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