2006 Mazda MPV ESFACTORY OEM SERVICE PROCEDURE

DTC P0661: Notes

DTC P0661 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0661 Intake manifold communication control (IMCC) actuator circuit low input
DETECTION CONDITION 
  • The PCM monitors the IMCC actuator control signal at PCM terminal 97. If the PCM turns the IMCC actuator off but voltage at PCM terminal 97 still remains low, the PCM determines that IMCC actuator circuit has malfunction.

Diagnostic support note 

  • This is a continuous monitor (Other).
  • The MIL does not illuminate.
  • PENDING CODE is available if the PCM detects the above malfunction condition.
  • The FREEZE FRAME DATA is not available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • IMCC actuator malfunction
  • Open circuit in wiring harness between main relay and IMCC actuator terminal A
  • Open circuit in wiring harness between IMCC actuator terminal B and PCM terminal 97
  • Short to ground in wiring harness between IMCC actuator terminal B and PCM terminal 97
  • Connector or terminal malfunction
  • PCM malfunction
G04327943Courtesy of MAZDA MOTORS CORP.
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