Idle Speed/Throttle Actuator - Electronic: Description and Operation

CIRCUIT OPERATION
The Powertrain Control Module (PCM) operates the idle air control motor through 4 circuits - K39, K40, K59, and K60. Each circuit connects to separate cavities in the PCM connector.
- Circuit K39 connects to cavity 19 of the PCM connector.
- Circuit K40 connects to cavity 11 of the PCM connector.
- Circuit K59 connects to cavity 20 of the PCM connector.
- Circuit K60 connects to cavity 10 of the PCM connector.