MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Body & Paint

Pinpoint Test - DTC: H

501-20B Supplemental Restraint System

2016 MustangReference 1,845 / 6,619HTML edition
← Chapter contentsProcedure contents

A7 CHECK THE DRIVER SAFETY BELT BUCKLE SWITCH GROUND CIRCUIT FOR AN OPEN

Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C3201-6

C310B-53

Is the resistance less than 3 ohms?

A8 CONFIRM THE DRIVER SAFETY BELT BUCKLE SWITCH FAULT

NOTE: Make sure all SRS components and the RCM electrical connectors are connected before carrying out the self-test. If not, Diagnostic Trouble Codes (DTCs) will be recorded.

Ignition OFF. Depower the SRS. REFER to: Supplemental Restraint System (SRS) Depowering (501-20B Supplemental Restraint System, General Procedures). Prior to reconnecting any previously disconnected SRS component:

inspect connector(s) (including any inline connectors) for pushed-out, loose or spread terminals and loose or frayed wire connections at terminals. inspect wire harness for any damaged, pinched, cut or pierced wires. inspect RCM C310A and C310B Connector Position Assurance (CPA) lever/lock for correct operation. repair any concerns found. Refer to Wiring Diagrams Cell 5 for schematic and connector information.

Connect Driver Side Airbag (Inline) C345 (if previously disconnected). Connect 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. Using a diagnostic scan tool, perform RCM self-test.

Was the original DTC retrieved on-demand during self-test?

Yes

INSTALL a new driver safety belt buckle (includes safety belt buckle switch). REFER to: Front Seatbelt Buckle (501-20A Seatbelt Systems, Removal and Installation). GO to A11

No

In the process of diagnosing the fault, the fault condition has become intermittent. Do not install any new SRS components at this time. Install SRS components only when directed to do so in the pinpoint test. GO to A10

Source reference 1845

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.