Multiplexing System Diagnosis - Ford Electric Ranger 1998 Student Manual

LESSON 5: DIAGNOSIS

MULTIPLEXING SYSTEM DIAGNOSIS

Multiplexing System
5-6
Operation
•
The Ranger EV uses two module communications networks.
– J1850 (SCP) network (two-way communication during normal
vehicle operation) used by the battery controller module (BCM),
interface adapter assembly (IAA) module, and traction inverter
module (TIM).
– International standards organization (ISO) 9141 network
communication used by the anti-lock brake system (ABS)
module, central timer module (CTM), and electronic crash
sensor (ECS) module operates air bag system.
•
The SCP network consists of a twisted pair cable data bus.
– Circuit 914 data bus plus.
– Circuit 915 data bus minus.
1998 Ranger EV New Model Training