Turbo Coupe Technical Articles Turbo Coupe Literature Contact
da2: Check for VREF at Throttle Position Sensor
Steps _Refer to illustration QA
_Key Off, wait 10 seconds
_Disconnect TP sensor
_DVOM on 20 volt scale
_Measure voltage between VREF and Signal Return at the TP vehicle harness connector
Result Is voltage between 4.0 and 6.0 volts?
Direction YES

Reconnect TP sensor. GO to Continue


GO to Pinpoint Test Step Continue

TPS Information:
ComponentThrottle Position Sensor
DescriptionThe TPS provides the EEC with a signal proportional to opening angle of the throttle body throttle plates, which informs the EEC the movement and position of the throttle plate.
LocationMounted on the throttle body
Wire ColorsDark Green with Light Green stripe
Orange with White stripe
Black with White stripe