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Hyundai Coupe 1999 User Manual

Hyundai Coupe 1999
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DESCRIPTION
SERVICE MANUAL
Applies to:
Hyundai Coupe/Tiburon
1998-2001
GROUP
Restraints
SRS Air Bag System
Return to Main Menu(s): Mechanical Manual Electrical Manual
DESCRIPTION
The supplement restraint system (SRS AIR BAG) is designed to supplement the seat belt to help reduce the risk or
severity of injury to the driver and passenger by activating and deploying the driver and passenger side air bag in
certain frontal collisions.
The SRS (Air Bag) consists of: a driver side air bag module located in the center of the steering wheel, which
contains the folded cushion and an inflator unit; a passenger side air bag module located in the passenger side crash
pad contains the folded cushion assembled with inflator unit; SRSCM located on the floor panel behind the T.G.S.
select lever assembly which monitors the system, and accelerometer which senses the vehicle deceleration an spring
interconnection (clock spring) located within the steering column; system wiring and wiring connector; and a knee
bolster located under the steering column.
The impact sensing function of the SRSCM is carried out by electronic accelerometer that continuously measure the
vehicle's acceleration and delivers a corresponding signal through amplifying and filtering circuitry to the
microprocessor.
Deployment of the air-bag is designed to occur in frontal or near-frontal impacts of moderate of severe force. Only
authorized service personnel should do work on or around the SRS components. Those service personnel should
read this manual carefully before doing any such work. Extreme care must be used when servicing the SRS to avoid
injury to the service personnel (by inadvertent deployment of the air bag) or the driver (by render the SRS
inoperative).
file:///C/Mes%20Sites%20Web/RD%20service%20manual%20mechanical/www.newtonnet.co.uk/coupe/service/webtech/iindex-565.html[16/09/2019 11:46:12]
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Hyundai Coupe 1999 Specifications

General IconGeneral
BrandHyundai
ModelCoupe 1999
CategoryAutomobile
LanguageEnglish

Summary

SRS Air Bag System Overview

System Description

Provides a detailed explanation of the SRS Air Bag system's purpose and components.

Customer Cautions for SRS Service

Service Safety Precautions

Details critical safety warnings and procedures to prevent injury during SRS servicing.

Special Service Tools for SRS Air Bag

Airbag Wiring Harness Checker

Tool for inspecting airbag harnesses and SRSCM with dummy terminals.

Deployment Tool for Airbag Modules

Used for deploying undeploy airbag modules safely and effectively.

SRS Electrical System Components

SRSCM Functionality and Monitoring

Explains the SRSCM's role in deployment, malfunction detection, and system monitoring.

Warning and Caution Labels for SRS

Label Identification and Replacement

Highlights the importance of caution labels and instructions for their replacement if damaged.

Component-Specific Safety and Handling

Airbag Module (DAB/PAB) Handling

Cautions for handling airbag modules, checking system status, and inspection intervals.

SRS Component Cautions and Notes

Specific warnings for ESPS unit, clock spring, and general SRS servicing procedures.

Troubleshooting DTC B1346 and B1347

Check Items for DTC B1346/B1347

Identifies common causes for DTCs B1346/B1347, such as harness shorts or module issues.

Diagnostic Procedures for DTC B1346/B1347

Steps for diagnosing B1346/B1347 using resistance checks and harness checker.

Troubleshooting DTC B1348 and B1349

Check Items for DTC B1348/B1349

Lists causes for DTCs B1348/B1349, including shorts to ground or battery.

Diagnostic Procedures for DTC B1348/B1349

Procedures to check continuity and voltage for shorts using the SRS harness checker.

Troubleshooting DTC B1352 and B1353

Check Items for DTC B1352/B1353

Identifies causes for DTCs B1352/B1353, such as PAB harness open circuits or module malfunction.

Diagnostic Procedures for DTC B1352/B1353

Steps for checking continuity in PAB module circuits with the SRS harness checker.

Troubleshooting DTC B1354 and B1355

Check Items for DTC B1354/B1355

Lists causes for DTCs B1354/B1355, like PAB harness shorts to ground or battery.

Diagnostic Procedures for DTC B1354/B1355

Procedures to check continuity or voltage for PAB shorts using the SRS harness checker.

SRSCM Malfunctions and Related DTCs

SRSCM Malfunction Monitoring Details

Details SRSCM's monitoring of firing circuits, energy reserves, safing sensor, and accelerometer.

DTCs B1372, B1661, B1650

Specific DTC codes related to SRSCM internal malfunctions and crash recording.

SRS Service Reminder Indicator and Fuse Check

DTC B2500: SRS Indicator Conditions

Explains conditions for SRS Service Reminder Indicator (SRI) activation or deactivation.

Airbag Fuse Inspection and Replacement

Procedure for inspecting and replacing fuses related to the airbag system.

SRS SRI Circuit Diagnostic Procedure

Steps to check the SRS Service Reminder Indicator circuit using a harness checker.

SRS Diagnosis Using Scan Tool

Scan Tool Connection and Diagnosis Steps

Instructions for connecting a scan tool to the DLC and performing SRS diagnosis.

Troubleshooting with SRS Harness Checker

Harness Checker Installation and Use

Illustrates the installation layout for the SRS harness checker for troubleshooting.

Troubleshooting Battery Voltage DTCs

Check Items for DTC B1111/B1112

Identifies causes for battery voltage DTCs, including harness, fuse, or charging system issues.

Power Source and Ground Connection Checks

Procedures for measuring voltage and checking continuity for SRS power and ground connections.

SRS Air Bag System Components Overview

Key Component Identification and Location

Visual guide identifying major SRS components like the steering wheel and SRSCM.

Inflator Modules and SRS Harness Details

Inflator Module (DAB, PAB) Function

Explains the structure and operation of driver and passenger airbag inflator modules.

SRS Harness Characteristics

Describes the SRS harness, its yellow wrapping, and the function of shorting bars.

SRSCM Independent Lamp Activation

Clock Spring Functionality

SRS System Component Layout

Air Bag Module Disposal Procedures

Field Deployment Procedures and Cautions

Cautions for handling deployed airbags and by-product dust safely.

Air Bag Remote Deployment Devices

Lists tools and their use for deploying airbag modules remotely.

Disposal Plan by Case

Defines disposal steps for abnormal modules or vehicles requiring scrapping.

Undeployed Air Bag Module Disposal

General Disposal Cautions for Undeployed Bags

Cautions regarding noise, smoke, and testing near sensors during deployment.

Vehicle Deployment Procedure (No Longer Driven)

Steps for deploying airbags inside vehicles that are to be scrapped.

SRS Air Bag System Circuit Diagram

SRS System Reassembly Procedures

SRS System Removal Procedures

Component Handling and Replacement Cautions

General Component Handling Cautions

Warnings against disassembly, dropping, contamination, and resistance measurement.

Passenger Air Bag (PAB) Replacement

Procedure for replacing a deployed Passenger Air Bag module.

SRSCM Component Location

SRSCM Main Connector Pinout

SRSCM Main Connector Pin Descriptions

Details the function of each pin in the SRSCM main connector for diagnosis.

SRSCM Shorting Bar Connector Pinout

SRSCM Shorting Bar Connector Pin Details

Details pins for SRS SRI, driver, and passenger inflators on the SRSCM shorting bar connector.

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