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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Throttle Position Sensor: Testing and Inspection

SYMPTOM
*CHECKING THROTTLE POSITION SENSOR OPERATION WITH NO DTC'S

POSSIBLE CAUSES
- TPS voltage change not smooth
- TPS Connectors/Harness intermittent defect (D)
- TPS Harness/Connectors intermittent defect (C)
- TPS Harness/Connectors observable defect (E)
- TPS Voltage < 0.92 V