Eng code PO660 imcc actuator circuit malfunction

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2003 MAZDA PROTEGE
190,000 MILES

Eng code po660 imcc actuator circuit malfunction

Friday, February 15th, 2013 AT 5:45 PM

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KHLOW2008

MECHANIC
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DTC P0660: INTAKE MANIFOLD COMMUNICATION CONTROL CIRCUIT - MALFUNCTION

Detection Condition

DTC is set, when PCM detects Intake Manifold Communication Control (IMCC) actuator input voltage remains too low or too high. This is an intermittent monitor. MIL does not illuminate.

Possible Causes
Connector terminal malfunction.
IMCC actuator malfunction.
Open circuit between IMCC actuator harness connector and main relay.
PCM malfunction.
Short or open circuit between IMCC actuator and PCM harness connectors.