RAM 2500 Van V8-5.9L VIN Z (1997)
Idle Speed/Throttle Actuator - Electronic: Description and Operation
CIRCUIT OPERATION
The Powertrain Control Module (PCM) operates the Idle Air Control motor through four circuits; K39, k40, K59, and K60. Each circuit connects
to separate cavities in the PCM connector.
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Circuit K39 connects to cavity A19 of the PCM connector.
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Circuit K40 connects to cavity A11 of the PCM connector.
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Circuit K59 connects to cavity A20 of the PCM connector.
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Circuit K60 connects to cavity A10 of the PCM connector.