EEPROM Programming

CAUTION: The ignition should always be "off" when installing or removing the VCM-A connectors.

1.Set-up:

^ Battery is charged.
^ Ignition is "ON."
^ Battery/cig. lighter connection secure.
^ Data Link Connector (DLC).

2. Refer to up-to-date Techline terminal/equipment user's instructions.
3. If Vehicle Control Module (VCM-A) fails to program, do the following:

^ Check all VCM-A connections.
^ Check Techline terminal/equipment for latest software version.

^ Try again to program the VCM-A. If it fails again, replace the VCM-A. Refer to VCM-A replacement. With Vehicle Control Module (VCM-A)

4. Perform the Idle Air Control (IAC) valve reset procedure with TECH 1 scan tool. Use misc tests.

Functional Check
^ Use Techline terminal/equipment to perform the "On-Board Diagnostic (OBD) System Check,"

OR

^ Refer to On-Board Diagnostic (OBD) System Check in System Diagnosis/Procedures. Testing and Inspection