FixVault

DTC P1290: CHT Sensor Circuit Low Input: Notes

DTC P1290 CHART (MZI-3.7)

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 A and PCM terminal 2AV
  • CHT sensor malfunction
  • Connector or terminal malfunction
G00511598Courtesy of MAZDA MOTORS CORP.