2003 Mazda Protege Repair Question
Topics covered: Intake manifold, Terminal.
Mileage: 190,000 miles.
Mileage: 190,000 miles.
Asked on February 15, 2013
Mazda Protege Intake manifold Problem
Eng code po660 imcc actuator circuit malfunction
Answer
Replied on February 16, 2013
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.