Neon R/T L4-2.0L VIN F HO (2001)
button presses.
VEHICLE COMMUNICATION
The Programmable Communication Interface or PCI Bus is a single wire multiplexed network capable of supporting binary encoded messages
shared between multiple modules. The PCI bus circuit is identified as D25 and is violet with a yellow tracer. The modules are wired in parallel.
Connections are made in the harness using splices. The following modules are used on 2001 PL:
-
Airbag Control Module
-
Left Side Impact Airbag Control Module
-
Right Side Impact Airbag Control Module
-
Controller Antilock Brake
-
Powertrain Control Module
-
Radio
-
CD Changer
-
Remote Keyless Entry Module
-
Sentry Key Immobilizer Module
-
Transmission Control Module (If equipped)
-
Mechanical Instrument Cluster
Each module provides its own bias and termination in order to transmit and receive messages. The bus voltage is at zero volts when no modules