Mustang V6-4.0L (2008)
H7-H10
Test I: No Medium Speed Controller Area Network (MS-CAN) Communication, All Modules Are Not
Responding
PINPOINT TEST I: NO MEDIUM SPEED CONTROLLER AREA NETWORK (MS-CAN) COMMUNICATION, ALL MODULES ARE
NOT RESPONDING
NOTE: The smart junction box (SJB) is also known as the generic electronic module (GEM).
Normal Operation
The MS-CAN uses an unshielded twisted pair cable, circuits 1847 (WH/OG) and 1848 (PK/OG). The smart junction box (SJB) and the instrument
cluster (IC) communicate with the scan tool using the MS-CAN.
This pinpoint test is intended to diagnose the following:
-
Wiring, terminals or connectors
-
Audio control module (ACM)
-
IC
-
SDARS module
-
Smart junction box (SJB)