Anti-Lock Brake System (ABS) and Stability Control — 2016 workshop reference 2969

Network communication concern Incorrect or incomplete ABS module IVD Initialization Incorrectly installed RCM RCM

PINPOINT TEST G : STABILITY CONTROL SENSOR SIGNAL FAULTS

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may cause damage to the connector.

G1 CHECK FOR RETURNING ABS (ANTI-LOCK BRAKE SYSTEM) MODULE DIAGNOSTIC TROUBLE CODES (DTCS)

Ignition ON. Using a diagnostic scan tool, clear the ABS module Diagnostic Trouble Codes (DTCs). Ignition OFF. Ignition ON. Test drive the vehicle above 12 km/h (7 mph) and make at least 1 left turn and 1 right turn. Using a diagnostic scan tool, carry out the ABS module self-test. Retrieve and record all ABS module Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) present in the ABS module?

Yes	If any of the Diagnostic Trouble Codes (DTCs) listed in the DTC Fault Trigger Conditions table are present, GO to G2 For all other ABS module Diagnostic Trouble Codes (DTCs), GO to the DTC Chart: ABS Module.
No	The fault is not present and cannot be recreated at this time. CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSPECT all in-line connectors and the wire harness between the RCM and the ABS module for corrosion, loose terminals, spread terminals, loose wire connections, frayed wire connections, pinched wire harnesses and cut or pierced wire harnesses. REPAIR as necessary.

Yes

If any of the Diagnostic Trouble Codes (DTCs) listed in the DTC Fault Trigger Conditions table are present, GO to G2 For all other ABS module Diagnostic Trouble Codes (DTCs), GO to the DTC Chart: ABS Module.

The fault is not present and cannot be recreated at this time. CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSPECT all in-line connectors and the wire harness between the RCM and the ABS module for corrosion, loose terminals, spread terminals, loose wire connections, frayed wire connections, pinched wire harnesses and cut or pierced wire harnesses. REPAIR as necessary.

G2 CHECK THE WHEELS AND TIRES

Inspect the wheels and tires for any damage or excessive wear. Verify all wheels and tires are the same size and match the size indicated on the VC label. Verify the inflation pressure of all 4 tires is correct as indicated on the VC label.

Are the wheels and tires OK?

Yes	GO to G3
No	INSTALL the correct size wheel or tire as necessary. ADJUST tire pressure as necessary. REFER to: Wheel and Tire (204-04A Wheels and Tires, Removal and Installation).

G3 CHECK THE COMMUNICATION NETWORK

Ignition ON. Using a diagnostic scan tool, carry out the Network Test.

Does the RCM pass the Network Test?

Yes	GO to G4
No	DIAGNOSE the RCM does not communicate with the diagnostic scan tool. REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

Source reference 2969

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.