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Saab
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2003
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9-3 Vector, Automatic
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Repair and Diagnosis
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TRIONIC T7 Fuel Control System
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Technical Description
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A/C relay
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Diagnostics
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A/C relay: Diagnostics
If there is an open circuit or short circuit to ground, diagnostic trouble code
P1656
will be generated.
If there is a short circuit to B+, diagnostic trouble code
P1657
will be generated.
NOTE:
The A/C request from DICE can be read with the diagnostic tool.