For 1990-2009 cars

# Body and Accessories

## All Component Locator

- Data Link Communications Component Views
- Data Link Communications Components

## All Description and Operation

- Data Link Communications Circuit Description

## All Special Tools and Equipment

- Special Tools

## All Visual Identification

- Data Link Communications Connector End Views

## Diagnostic Procedures

- Diagnostic Starting Point
- Diagnostic Trouble Code (DTC) List
- Scan Tool Does Not Communicate with Class 2 Device
- Scan Tool Does Not Power Up

## Diagnostic Trouble Codes

- DTC U1000 and DTC U1255 Class 2 Communication Malfunction
- DTC U1001-U1254 Lost Communication with XXX
- DTC U1300 Class 2 Data Link Low
- DTC U1301 Class 2 Data Link High
- DTC U1305 Class 2 Data Link Low or High

## Electrical/Electronic Schematic Diagrams

- Data Link Communications Schematic Icons
- Data Link Connector Schematics