Communications Network — 2016 workshop reference 5956

Fuse Wiring, terminals or connectors APIM (if equipped) Body Control Module B (BCMB) DDM DSM FCIM GPSM GWM Moveable Roof Control Module A (MRCMA) (if equipped) Moveable Roof Control Module B (MRCMB) (if equipped) PDM RTM SCME (if equipped) SODL (if equipped) SODR (if equipped)

PINPOINT TEST AG : NO MEDIUM SPEED CONTROLLER AREA NETWORK (MS-CAN)

COMMUNICATION, ALL MODULES ARE NOT RESPONDING

NOTE: Various modules set network DTCs during this test procedure. Clear DTCs from all modules after completing the diagnostic procedure.

AG1 CHECK THE DLC (DATA LINK CONNECTOR) PINS FOR DAMAGE

Ignition OFF. Disconnect the diagnostic scan tool cable from the DLC. Inspect the DLC pins 3 and 11 for damage.

Are DLC pins 3 and 11 OK?

Yes		GO to AG2
No		REPAIR the DLC as necessary.

AG2 CHECK FOR HS-CAN2 (HIGH SPEED-CONTROLLER AREA NETWORK 2) COMMUNICATION

Using a diagnostic scan tool, perform a network test.

Does the RCM pass the network test?

Yes		GO to AG3
No		GO to Pinpoint Test AE

AG3 CHECK THE MS-CAN (MEDIUM SPEED-CONTROLLER AREA NETWORK) TERMINATION RESISTANCE

Disconnect: GWM C2431. Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C2431-23		C2431-22

Is the resistance between 108 and 132 ohms?

Yes	GO to AG4

Source reference 5956

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.