5V supply
| 5V supply |
The following sensors are supplied with 5V from control module pins 69 and 46. The two 5V supplies are coupled together internally in the throttle body.
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Manifold absolute pressure sensor
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Charge air absolute pressure sensor
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EVAP pressure sensor
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Pedal position sensors
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Throttle position sensors
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| Diagnostics |
A short circuit in the 5V supply will put the throttle in limp-home mode and may be caused by a fault in the wiring harness or in a sensor fed by the 5V supply. Since the two 5V supplies are coupled together internally in the throttle body, no symptoms will appear if an open circuit occurs in only one of them.
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