MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Electrical Distribution

Communications Network

418-00 Module Communications Network

2016 MustangReference 5,880 / 6,619HTML edition
← Chapter contentsProcedure contents

Yes

GO to F3

No

GO to F2

F2 CHECK THE HS-CAN2 (HIGH SPEED-CONTROLLER AREA NETWORK 2) CIRCUITS BETWEEN THE SCCM (STEERING COLUMN CONTROL MODULE) AND THE DLC (DATA LINK CONNECTOR) FOR AN OPEN

Disconnect SCCM C226A Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C226A-3

C251-3

C226A-4

C251-11

Are the resistances less than 3 ohms?

Yes

GO to F5

No

REPAIR the circuit in question.

F3 CHECK THE SCCM (STEERING COLUMN CONTROL MODULE) VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Disconnect SCCM C226A Ignition ON. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C226A-7

Ground

Is the voltage greater than 11 volts?

Yes

GO to F4

No

VERIFY the BCM fuse 13 (7.5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short.

F4 CHECK THE SCCM (STEERING COLUMN CONTROL MODULE) GROUND CIRCUIT FOR AN OPEN

Ignition OFF. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C226A-5

Ground

Source reference 5880

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.