P1659
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE comes on after two driving cycles.
Charge Air Bypass Valve Circuit. Short to B+.
Fault symptoms
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CHECK ENGINE comes on after two driving cycles.
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Conditions
The following conditions apply for this DTC:
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Engine running and main relay voltage exceeds 10 V.
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Output voltage above 2 V when output is active.
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Conditions are met for 1 second.
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Diagnostic help
Fault diagnosis concerns electrical faults in connecting cables or in the valve.
Diagnostic tool functions related to this fault are:
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Activating the valve output.
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See also the description of activations under
Menu "Activation"
for more information.
Check the wiring
Note
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Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this.
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