FixVault

P2626: O2 Sensor Pumping Current Trim Circuit/Open (Bank 1 Sensor 1): DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Open circuit check of front HO2S circuit
  • Contact resistance in connectors
  • Open or Short to ground in HO2S circuit
  • Front HO2S
Enable Conditions
  • One of related diagnosis active
Threshold Value
  • Front HO2S signal after oscillator off < 0.151V for more than 5sec
Diagnostic Time
  • Below 1300 sec.
Mil On Condition
  • 2 Driving Cycles