S15/T15 Sonoma P/U 2WD V6-262 4.3L VIN Z TBI (1995)
Engine Control Module: Service and Repair
EEPROM Programming
CAUTION: THE IGNITION SHOULD ALWAYS BE "OFF" WHEN INSTALLING OR REMOVING THE VCM CONNECTORS.
1. Set-up:
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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) fails to program, do the following:
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Check all VCM connections.
^
check Techline terminal/equipment for latest software version.
^
Try again to program the VCM. If it fails again, replace the VCM. Refer to VCM replacement. See: Control Module Replacement/With
Vehicle Control Module (VCM)
4. Perform the Idle Air Control (IAC) valve reset procedure:
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Ignition "ON" for 10 seconds.
^
Ignition "OFF" for 10 seconds.