Pinpoint Test - DTC: AQ, Convertible — 2016 workshop reference 2087

Using a diagnostic scan tool, perform RCM self-test.

Did the on-demand DTC change from B1418:11 to B1418:93?

Yes	INSTALL a new passenger door side impact sensor. REFER to: Front Door Side Impact Sensor (501-20B Supplemental Restraint System, Removal and Installation). GO to A10
No	GO to A3

A3 CHECK THE PASSENGER DOOR SIDE IMPACT SENSOR FEED CIRCUITS FOR A SHORT TO GROUND OR A SHORT TOGETHER

Ignition OFF. Depower the SRS. REFER to: Supplemental Restraint System (SRS) Depowering (501-20B Supplemental Restraint System, General Procedures). Disconnect RCM C310A and C310B. Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C644-1		Ground

Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C644-1		C644-2

Is the resistance greater than 10,000 ohms?

Yes	GO to A8
No	REPAIR the circuits. Refer to Wiring Diagrams Cell 5 for schematic and connector information. GO to A10

A4 CHECK THE PASSENGER DOOR SIDE IMPACT SENSOR AND RCM (RESTRAINTS CONTROL MODULE) CONNECTIONS (NO OPERATION INDICATED)

Ignition OFF. Depower the SRS. REFER to: Supplemental Restraint System (SRS) Depowering (501-20B Supplemental Restraint System, General Procedures). Inspect the Passenger Front Door Side Impact Sensor electrical connector C644 to make sure it is fully seated and locked. Seat and lock the connector as necessary. Gain access to the RCM and inspect C310A and C310B to make sure they are fully seated and locked. Seat and lock the connector as necessary Repower the SRS. Do not prove out the SRS at this time. REFER to: Supplemental Restraint System (SRS) Repowering (501-20B Supplemental Restraint System, General Procedures). Ignition ON. Using a diagnostic scan tool, perform RCM self-test.

Source reference 2087

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.