Pinpoint Test - DTC: AK — 2016 workshop reference 2048

Lead 1	Measurement / Action	Lead 2
C3238, pin 3, harness side Pinpoint Test - DTC: AK — original illustration 1, reference 2048Original colors & callouts · Select to enlarge		C3238, pin 3, component side Pinpoint Test - DTC: AK — original illustration 2, reference 2048Original colors & callouts · Select to enlarge

Lead 1

Measurement /

Action

Lead 2

C3238, pin 3, harness side

Pinpoint Test - DTC: AK — original illustration 1, reference 2048Original colors & callouts · Select to enlarge

C3238, pin 3, component side

Pinpoint Test - DTC: AK — original illustration 2, reference 2048Original colors & callouts · Select to enlarge

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:

Positive Lead Measurement / Action Negative Lead Ground C3238, pin 1, component side

Original table alignment retained · Scroll horizontally if needed

Pinpoint Test - DTC: AK — original illustration 3, reference 2048Original colors & callouts · Select to enlarge

Does the voltage vary from approximately 0.95 volt with no tension applied to the sensor to approximately 3.8 volts with full tension applied to the sensor?

Yes	REMOVE the fused jumper wires and GO to A11
No	REMOVE the fused jumper wires and INSTALL a new front passenger safety belt buckle. REFER to: Front Seatbelt Buckle (501-20A Seatbelt Systems, Removal and Installation). GO to A13

A11 CONFIRM THE OCSM (OCCUPANT CLASSIFICATION SYSTEM MODULE) FAULT

NOTE: Make sure all OCS components, SRS electrical connectors and the RCM electrical connectors are connected before carrying out the self-test. If not, Diagnostic Trouble Codes (DTCs) will be recorded. Ignition OFF. 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 damage, pinched, cut or pierced wires. Repair any concerns found. Refer to Wiring Diagrams Cell 5 for schematic and connector information. Connect OCSM C3043. Connect Passenger Safety Belt Buckle C3238 (if previously disconnected). If previously directed to disconnect Passenger Side Airbag (Inline) C219, depower the SRS. REFER to: Supplemental Restraint System (SRS) Depowering (501-20B Supplemental Restraint System, General Procedures). Connect Passenger Side Airbag (Inline) C219 (if previously disconnected). If previously directed to depower the SRS, 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 OCSM self-test.

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

Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and

FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new OCS sensor.

Source reference 2048

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.