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Ford ST2834-A User Manual

Ford ST2834-A
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SECTION 419-11 Electronic Compass
CONTENTS PAGE
DIAGNOSIS AND TESTING
Electronic Compass ............................................................................................................................................................ 419-11-2
Principles of Operation ................................................................................................................................................. 419-11-2
Inspection and Verification ........................................................................................................................................... 419-11-2
DTC Charts ................................................................................................................................................................... 419-11-3
Symptom Chart ............................................................................................................................................................. 419-11-3
Pinpoint Tests ............................................................................................................................................................... 419-11-3
419-11-i
Electronic Compass 419-11-i
2011 Mustang, 2/2011
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Ford ST2834-A Specifications

General IconGeneral
BrandFord
ModelST2834-A
CategoryAutomobile
LanguageEnglish

Summary

DIAGNOSIS AND TESTING

Electronic Compass

Explains the diagnostic and testing procedures for the electronic compass system.

Special Tool(s)

Lists required tools for diagnosing and testing the electronic compass system.

Principles of Operation

Details how the electronic compass module functions and interacts with other vehicle systems.

Inspection and Verification

Outlines initial visual checks and verification steps for compass system concerns.

DTC Charts

Provides a list of Diagnostic Trouble Codes (DTCs) related to the compass and their meanings.

Symptom Chart

Correlates observed vehicle symptoms with potential causes and troubleshooting actions.

Pinpoint Tests

Guides users through systematic troubleshooting steps for specific compass issues.

PINPOINT TEST A: THE COMPASS IS INOPERATIVE

CHECK THE COMPASS DISPLAY

Tests if the compass display illuminates and provides initial diagnostic direction.

CHECK THE COMPASS MODULE VOLTAGE SUPPLY

Measures voltage supply to the compass module to ensure proper power.

CHECK THE COMPASS MODULE GROUND FOR CONTINUITY

Verifies continuity of the ground circuit for the compass module.

CHECK THE DTCS

Retrieves and analyzes Diagnostic Trouble Codes (DTCs) from relevant modules.

CHECK THE COMPASS SIGNAL CIRCUITS FOR A SHORT TO VOLTAGE

Tests signal circuits for shorts to voltage, indicating potential wiring faults.

CHECK THE COMPASS SIGNAL CIRCUIT FOR AN OPEN OR SHORT TO GROUND

Tests signal circuits for opens or shorts to ground.

CHECK THE COMPASS SIGNAL RETURN CIRCUIT FOR AN OPEN OR SHORT TO GROUND

Tests the signal return circuit for opens or shorts to ground.

CHECK FOR DTC U0161:87 OR DTC U0161:92

Checks for specific communication loss DTCs related to the compass module.

CHECK FOR CORRECT IPC OPERATION

Verifies the correct operation of the Instrument Panel Cluster (IPC) related to the compass.

Pinpoint Test B: The Compass Is Inaccurate

CHECK THE COMPASS ACCURACY

Verifies compass accuracy by checking display against known directions.

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