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Home >> Mazda >> 2007 >> CX-9 Touring, 3.5 C, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System MZI-3.5) >> DTC P1290 >> Notes
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DTC P1290: Notes

DTC P1290 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P1290 CHT sensor circuit low input
DETECTION CONDITION 
  • Indicates a CHT sensor circuit short to ground.
POSSIBLE CAUSE 
  • Short to ground in wiring harness between CHT sensor terminal B and PCM terminal 2AN
  • CHT sensor malfunction
  • Connector or terminal malfunction
G04969306Courtesy of MAZDA MOTORS CORP.