MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Body & Paint

Pinpoint Test - DTC: AQ, Convertible

501-20B Supplemental Restraint System

2016 MustangReference 2,088 / 6,619HTML edition
← Chapter contentsProcedure contents

Was DTC B1418:93 retrieved on-demand during self-test?

Yes

GO to A5

No

The fault has been corrected. GO to A10

A5 CHECK THE PASSENGER DOOR SIDE IMPACT SENSOR FEED CIRCUIT FOR A SHORT TO VOLTAGE (NO OPERATION INDICATED)

Ignition OFF. Depower the SRS. REFER to: Supplemental Restraint System (SRS) Depowering (501-20B Supplemental Restraint System, General Procedures). Disconnect Passenger Front Door Side Impact Sensor C644. Disconnect RCM C310A and C310B. 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. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C644-1

Ground

Is any voltage present?

A6 CHECK THE PASSENGER DOOR SIDE IMPACT SENSOR CIRCUITS FOR AN OPEN

Ignition OFF. 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-45

C644-1

C310B-46

C644-2

Are the resistances less than 0.5 ohm?

Yes GO to A7 No REPAIR the circuit(s). Refer to Wiring Diagrams Cell 5 for schematic and connector information.

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Source reference 2088

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.