LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Saturn
>>
2009
>>
Sky Base, Automatic
>>
Repair and Diagnosis
>>
Body & Frame
>>
Ignition Switch/Steering Lock
>>
Immobilizer System
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Immobilizer System
Expand All (for easy ctrl-f)
Collapse All
Schematic and Routing Diagrams
Immobilizer Schematics
Diagnostic Information and Procedures
Diagnostic Code Index
Diagnostic Starting Point - Immobilizer
DTC B3031
Diagnostic Instructions
DTC Descriptor
Circuit/System Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Reference Information
Circuit/System Verification
Repair Procedures
DTC B3055
Diagnostic Instructions
DTC Descriptor
Circuit/System Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Reference Information
Circuit/System Verification
Repair Procedures
DTC B3060
Diagnostic Instructions
DTC Descriptor
Circuit/System Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Reference Information
Circuit/System Verification
Repair Procedures
DTC B3935
Diagnostic Instructions
DTC Descriptor
Circuit/System Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Reference Information
Circuit/System Verification
Repair Procedures
DTC B3976
Diagnostic Instructions
DTC Descriptor
Circuit/System Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Reference Information
Circuit/System Verification
Repair Procedures
DTC P1630
Diagnostic Instructions
DTC Descriptor
Circuit/System Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Reference Information
Circuit/System Verification
Repair Procedures
DTC P1631
Diagnostic Instructions
DTC Descriptor
Circuit/System Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Reference Information
Circuit/System Verification
Repair Procedures
Repair Instructions
Theft Deterrent Module Replacement
Immobilizer System Component Programming
10-Minute Immobilizer Relearn
Adding Keys
Replacing Keys (North America except Canada)
10-Minute Vehicle Key Relearn
30-Minute Vehicle Key Relearn
Replacing Keys (Canada)
10-Minute Vehicle Key Relearn
Description and Operation
Immobilizer Description and Operation
Notes
Theft Deterrent Module (TDM)
Engine Control Module (ECM)
The Ignition Key (Transponder)
Master Keys
Valet Keys
Ignition Lock Cylinder
Security Indicator Operation