Retrieving Codes
NOTE:
Data Link Connector (DLC) was previously referred to as Self-Test connector or VIP connector.
Service codes are retrieved from EEC-IV system through Data Link Connector (DLC). Various methods and test equipment may be used to access these codes:
- Analog Volt-Ohmmeter (VOM)
- Scan Tool
- In-Dash Malfunction Indicator Light (MIL)/CHECK ENGINE light
NOTE:
For engine-related DTCs information and testing, see the TESTS W/CODES - EEC-IV (2.0L)
article in ENGINE PERFORMANCE. These DTCs pertain to engine performance and must be repaired first, as engine performance and related component signals will affect transmission operation and diagnosis.