MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Electrical Distribution

Communications Network

418-00 Module Communications Network

2016 MustangReference 5,876 / 6,619HTML edition
← Chapter contentsProcedure contents

No

INSTALL a new wiring harness. REPOWER the Supplemental Restraint System (SRS). REFER to: Supplemental Restraint System (SRS) Repowering (501-20B Supplemental Restraint System, General Procedures).

D2 CHECK THE RCM (RESTRAINTS CONTROL MODULE) VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Repower the SRS. REFER to: Supplemental Restraint System (SRS) Repowering (501-20B Supplemental Restraint System, General Procedures). Ignition ON. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C310A-19

Ground

Is the voltage greater than 11 volts?

Yes

GO to D3

No

VERIFY the BCM fuse 35 (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.

D3 CHECK THE RCM (RESTRAINTS CONTROL MODULE) CASE GROUND

Ignition OFF. Measure the resistance between the RCM case and a good chassis ground.

Is the resistance less than 3 ohms?

Yes

GO to D4

No

REPAIR the RCM case ground as necessary.

D4 CHECK THE HS-CAN2 (HIGH SPEED-CONTROLLER AREA NETWORK 2) CIRCUITS BETWEEN THE RCM (RESTRAINTS CONTROL MODULE) AND THE DLC (DATA LINK CONNECTOR) FOR AN OPEN

Depower the SRS. REFER to: Supplemental Restraint System (SRS) Depowering (501-20B Supplemental Restraint System, General Procedures). Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C310B-48

C251-3

C310B-47

C251-11

Are the resistances less than 3 ohms?

Source reference 5876

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.