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Alfa Romeo 159 Factory Service Manual (2005-2011)23 · Fault diagnosis
23 · Diagnostics

P0638 - throttle valve control (AC)

Make
Alfa Romeo
Model
159 Factory Service Manual
Year
2005–2011
Section
Examiner - diesel electronic management › P0638 - throttle valve control (AC)
Fault diagnosisP0638 - throttle valve control (AC)

P0638 - THROTTLE VALVE CONTROL (AC)

1.9 JTD 8V, 1.9 JTD 16V, 2.4 JTD 20V

The diagnostic equipment signals: Error P0638 (throttle valve control), with detail "open circuit"

This error is detected if there is a break in the circuit connected to Pin 59 of the junction unit for at least 0.24 secs.

1CHECK ON THROTTLE CASING OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION

Check that the integrated throttle casing actuator is working properly by carrying out the

See Test 1060GO INTEGRATED THROTTLE BODY OPERATION CHECK

End of diagnosis

Parts & tools for this job For 2005 Alfa Romeo 159

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