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External Controls - System Operation and Component Description: Notes

System Diagram

GFD596615Courtesy of FORD MOTOR COMPANY

Network Message Chart

Broadcast Message Originating Module Message Purpose
Brake switch position BCM Input from brake switch necessary to change gears.
Gear data GSM Message sent to PCM which gear is commanded.
Gear confirmation PCM Input to GSM confirming gear selection.
PRNDS mode IPC Used for PRNDS display.
Gear command PCM Input to change gears.
Key in ignition status BCM Input used to change gears.
Seat belt buckle data RCM Input from seat belt buckle to determine driver presence.