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Saab
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2003
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9-3 SE, Standard
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Repair and Diagnosis
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Horns
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Horn (Late; 9440)
Horn (Late; 9440)
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Adjust - Replacement
Horn, low tone
To remove
To fit
Horn, high tone
To remove
To fit
Component location
Left horn (40LH)
Right horn (40RH)
Horn switch (41)
Horn relay (68)
Engine bay electrical centre 342 (UEC)
Location
Main function
Type
Connection
Fuses
Relays
Unit, steering wheel assembly (703)
Notes
K8
K25
Fuse 3, engine bay main fuse box 342
Notes
List of components
Crimp connection J1, front harness
Notes
List of components
Crimp connection J3, front harness
Notes
List of components
Crimp connection J10, front harness
Notes
List of components
Grounding point G30A
Notes
Connected components
Fault diagnosis, general
Testing for open/short circuits
General
Testing for open circuits by measuring voltage.
Testing for open circuits by measuring resistance
Testing for short circuits to ground
Diagnostics concept
General
Diagnostic tool
Diagnosis strategy
Fault diagnosis using symptoms
Adjustments
Add/Remove
Bus
Fault diagnosis strategy for electronic systems
Notes
General fault diagnosis in electronic systems
Control module
Outputs
Inputs
Procedures before dismantling the control module
Notes
When the control module is to be replaced
Procedure after changing the control module
SPS programming
Add
Actions when replacing electrical components
Notes
When the component is to be replaced
On Board Diagnostics
Notes
Table, standards for diagnostic trouble codes
Internal control module faults
Analog inputs
Digital inputs
Outputs
To bear in mind in respect of On Board Diagnostics:
Connectors, handling and inspection
Handling
Inspection
Technical data
Horn, low tone
Horn, high tone
Technical description
Main components
Brief description
Notes
Overview
Description
Detailed description
Horn, bus information
Horn switch (41)
Location
Main task
Type
Connection