For 1990-2009 cars

# Safety and Security

## Cleaning, Inspection, and Adjustment

- Programming Additional Keys

## Diagnostic Procedures

- Communication Between Immobilizer Control Unit and Test Equipment
- Diagnostic Starting Point - Immobilizer
- Key Status Errors
- Symptoms - Immobilizer

## Diagnostic Trouble Codes

- DTC P1628
- DTC P1629
- DTC P1631

## Electrical/Electronic Schematic Diagrams

- Immobilizer Schematics

## Removal, Installation, and Replacement

- Hood Ajar Indicator Switch Replacement
- Theft Deterrent Module Replacement