FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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With Generic Scan Tool

HOW TO ERASE DTC
The diagnostic trouble code can be erased by (CONSULT-II GST, Mode 4 or ECM DIAGNOSTIC TEST MODE as described following.


* If the battery terminal is disconnected, the diagnostic trouble code will be lost within 24 hours.

* When you erase the DTC, using CONSULT-II or GST is easier and quicker than switching the mode selector on the ECM.



The following emission-related diagnostic information is cleared from the ECM memory when erasing DTC related to OBD-II, For details, refer to Powertrain Management / Computers and Control Systems / System Diagnosis / Description of On-Board Diagnostics.
- Diagnostic trouble codes (DTC)
- 1st trip diagnostic trouble codes (1st trip DTC)
- Freeze frame data
- 1st trip freeze frame data
- System readiness test (SRT) codes
- Test values




HOW TO ERASE DTC (WITH GST)
1. If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 5 seconds and then turn it ON (engine stopped) again.

2. Perform OBD-II, SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)". (The engine warm-up step can be skipped when performing the diagnosis only to erase the DTC.)
Malfunction Indicator (MIL)


3. Select Mode 4 with Generic Scan Tool (GST). For details, refer to "Generic Scan Tool (GST)".