MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Electrical Distribution

Communications Network

418-00 Module Communications Network

2016 MustangReference 5,878 / 6,619HTML edition
← Chapter contentsProcedure contents

Ignition ON. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C3043-1

Ground

Is the voltage greater than 11 volts?

Yes

GO to E2

No

VERIFY the BCM fuse 22 (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.

E2 CHECK THE OCSM (OCCUPANT CLASSIFICATION SYSTEM MODULE) GROUND CIRCUIT FOR AN OPEN

Ignition OFF. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C3043-4

Ground

Is the resistance less than 3 ohms?

Yes

GO to E3

No

REPAIR the circuit.

E3 CHECK THE HS-CAN2 (HIGH SPEED-CONTROLLER AREA NETWORK 2) CIRCUITS BETWEEN THE OCSM (OCCUPANT CLASSIFICATION SYSTEM MODULE) AND THE DLC (DATA LINK CONNECTOR) FOR AN OPEN

Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C3043-2

C251-3

C3043-3

C251-11

Are the resistances less than 3 ohms?

Yes

GO to E4

No

REPAIR the circuit in question.

E4 CHECK FOR CORRECT OCSM (OCCUPANT CLASSIFICATION SYSTEM MODULE) OPERATION

Source reference 5878

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.