Reconnect the Moveable Roof Control Module B (MRCMB) connectors and related in-line connectors. Make sure they seat and latch correctly. Operate the system and determine if the concern is still present.
Is the concern still present?
Yes | CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new Moveable Roof Control Module B (MRCMB). |
|---|---|
No | The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues. |
The Gateway Module (GWM) Does Not Respond To The Diagnostic Scan Tool
Refer to Wiring Diagrams Cell 14 for schematic and connector information.
Normal Operation and Fault Conditions
The GWM communicates with the diagnostic scan tool through the HS-CAN1 and HS-CAN2. The GWM operates as a gateway for communication between the modules on HS-CAN1, HS-CAN2, HS-CAN3 and MS-CAN.
Visual Inspection and Diagnostic Pre-checks
Verify BCM fuses 13 (7.5A) and 15 (10A) are OK.
PINPOINT TEST AC : THE GATEWAY MODULE (GWM) DOES NOT RESPOND TO THE DIAGNOSTIC
SCAN TOOL
AC1 CHECK THE HS-CAN1 (HIGH SPEED-CONTROLLER AREA NETWORK 1) TERMINATION RESISTANCE
Ignition OFF. Disconnect negative battery cable. Disconnect the diagnostic scan tool cable from the DLC. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C251-6 | C251-14 |
Is the resistance between 54 and 66 ohms?
Yes | GO to AC3 |
|---|---|
No | GO to AC2 |
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.