Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2007 >> 3 Mazdaspeed, 2.3 L >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic (Engine Control System L3 With TC) - (2 Of 5) >> DTC P0122 >> Notes

DTC P0122: Notes

DTC P0122 [L3 WITH TC] DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0122 TP sensor No. 1 circuit low input
DETECTION CONDITION 
  • If the PCM detects that the TP sensor No. 1 voltage is below 0.2 V  after the ignition switch is turned to the ON position, the PCM determines that TP circuit has a malfunction.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA is available.
  • DTCs are stored in the PCM memory.
POSSIBLE CAUSE 
  • TP sensor malfunction
  • Connector or terminal malfunction
  • Short to ground between throttle body terminal A and PCM terminal 2AK
  • Short to ground between throttle body terminal B and PCM terminal 2AO
  • PCM malfunction
G04954369Courtesy of MAZDA MOTORS CORP.