MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Body & Paint

Pinpoint Test - DTC: I

501-20B Supplemental Restraint System

2016 MustangReference 1,848 / 6,619HTML edition
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501-20B Supplemental Restraint System 2016 Mustang

Diagnosis and Testing Procedure revision date: 08/19/2014

Pinpoint Test - DTC: I

B0052:11, B0052:12, B0052:13, B0052:1D

Refer to Wiring Diagrams Cell 46 for schematic and connector information.

Normal Operation and Fault Conditions

The RCM continuously monitors the passenger safety belt buckle switch circuits for the following faults:

Open circuit Short to voltage Short to ground Current out of range Faulted passenger safety belt buckle switch

If a fault is detected, the RCM stores DTC B0052:11, B0052:12, B0052:13 or B0052:1D in memory and sends a message to the IPC to illuminate the airbag warning indicator.

DTC Fault Trigger Conditions

Description

Fault Trigger Conditions

DTC

B0052:11

Passenger Seatbelt Sensor: Circuit Short to Ground

A fault is indicated when the RCM senses a short to ground on the passenger safety belt buckle switch circuit for more than 6 seconds.

B0052:12

Passenger Seatbelt Sensor: Circuit Short to Battery

A fault is indicated when the RCM senses a short to voltage on the passenger safety belt buckle switch circuit for more than 6 seconds.

B0052:13

Passenger Seatbelt Sensor: Circuit Open

A fault is indicated when the RCM senses an open on either passenger safety belt buckle switch circuit for more than 6 seconds.

B0052:1D Passenger Seatbelt Sensor:

Circuit Current Out of Range

A fault is indicated when the RCM measures current outside of an acceptable range on the passenger safety belt buckle switch circuit for more than 6 seconds.

Possible Sources

Wiring, terminals or connectors Passenger safety belt buckle switch RCM

Visual Inspection and Diagnostic Pre-checks

Inspect for a damaged passenger safety belt buckle. Inspect for damaged wiring harness(es). Inspect for loose or damaged connectors.

PINPOINT TEST A : B0052:11, B0052:12, B0052:13 AND B0052:1D

WARNING: Incorrect repair techniques or actions can cause an accidental Supplemental Restraint System (SRS) deployment. Never compromise or depart from these instructions. Failure to precisely follow all instructions could result in serious personal injury from an accidental deployment.

Source reference 1848

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.