5V supply
| 5V supply |
The following sensors are supplied with 5 V from control module pins 69 and 46. The two 5 V 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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Pedal position sensors
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Throttle position sensors
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| Diagnostics |
A short circuit in the 5 V 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 5 V supply. Since the two 5 V 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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