MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Body & Paint

Pinpoint Test - DTC: H

501-20B Supplemental Restraint System

2016 MustangReference 1,843 / 6,619HTML edition
← Chapter contentsProcedure contents

DIAGNOSTIC TIP: When viewing Diagnostic Trouble Codes (DTCs) with the driver safety belt buckle switch disconnected, an open circuit fault is normally retrieved.

Did the on-demand DTC change from B0050:11 or B0050:1D to B0050:13?

Yes

GO to A8

No

For DTC B0050:11, GO to A3 For DTC B0050:1D, GO to A9

A3 CHECK THE DRIVER SAFETY BELT BUCKLE SWITCH CIRCUIT FOR A SHORT TO GROUND

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

C3201-5

Ground

Is the resistance greater than 10,000 ohms?

A4 CHECK THE DRIVER SAFETY BELT BUCKLE SWITCH CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF. Depower the SRS. REFER to: Supplemental Restraint System (SRS) Depowering (501-20B Supplemental Restraint System, General Procedures). Disconnect RCM C310A and C310B. Disconnect Driver Side Airbag (Inline) C345. Disconnect Driver Safety Belt Buckle C3201. 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

C3201-5

Ground

Is any voltage present?

Yes REPAIR the circuit.

Source reference 1843

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.