5V supply
| 5V supply |
The following sensors are supplied with 5V from control module pins 69 and 46. The two 5V supplies are internally coupled to each other 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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Differential pressure sensor, tank
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Pedal position sensors
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Throttle position sensor
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| Diagnostics |
A short circuit on the 5V supply will put the throttle in limp-home mode and can be caused by a fault in the wiring harness or a sensor supplied with 5V. As the two 5V supplies are internally coupled in the throttle housing, no symptoms will appear if there is a break in just one of them.
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