9-3 Viggen Coupe (9400) L4-2.3L Turbo (B235) HO (1999)
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Proceed to step 2.
NO
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Repair defective lead between the recirculation damper motor and the control module.
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Proceed to step 2.
2. Final check
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Erase the diagnostic trouble codes from all systems.
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Check function.
Tests OK?
YES
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Actions taken to rectify problem were correct.
NO
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See Electronic Climate Control, Testing and Inspection.
See: Testing and Inspection
Solenoid Valve, Shut-Off Valve Heater Box Not Functioning
Solenoid Valve, Shut-off Valve Heater Box Not Functioning
Fault symptom
Solenoid valve, shut-off valve heater box not functioning
Diagnostic help
Certain markets have a vacuum-operated shut-off valve for the heater box.