Operation CHARM: Car repair manuals for everyone.
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)

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With SST-New Generation Star Tester

Throttle Position Sensor Inspection
Using Special Service Tool-New Generation Star Tester (SST-NGS)




1. Connect the SSTs to the data link connector 2.




2. Verify that the throttle valve is at the closed throttle position.
3. Turn the ignition switch to ON.




4. Select the PID/DATA MONITOR AND RECORD function of the NGS.
5. Select "TP V" on the NGS display. NGS measures and shows the voltage.

Specification
Closed throttle position: 0.1-1.1 V
Wide open throttle: 2.8-4.5 V
(Verify that the voltage increase is directly proportioned to the throttle valve opening angle.)


6. If not as specified, adjust the throttle position sensor.