Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 1992 >> Corvette V8-350 5.7L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Throttle Position Sensor >> Adjustments
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Throttle Position Sensor: Adjustments

System Description:
The Throttle Position Sensor (TPS) is not adjustable. Upon TPS or throttle body replacement, TPS learn procedure must be performed. The TPS learn procedure allows the Electronic Brake Control Module (EBCM) to access accurate information from the ECM. This information is utilized to carry out ABS/ASR system functions.


Throttle Position Learn Procedure:
This procedure requires a T-1 (Tech 1) or T-100 (CAMS) unit. This procedure will utilize the Tech 1.

1. Ignition "OFF".
2. Connect Tech 1 with 88-92 BRAKE CARTRIDGE.
3. Ignition "ON".
4. Follow menus to reach ABS/ASR features.
5. Select "F5: TPS LEARN".
6. Press the up arrow to begin learn procedure.
7. Wait for Tech 1 to indicate "COMPLETE".
8. Turn ignition "OFF".
9. Disconnect Tech 1.


pro multis · About Operation CHARM