9-3 Hatchback (9400) L4-2.0L Turbo (B205) (2000)
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Activate the valve by turning both temperature controls to maximum cold.
The test lamp should be off and light up when the valve is activated
Checking The Wiring Harness
Jiggle the leads and in-line connectors at several places and in different directions to reveal intermittent breaks and short circuits in the wiring harness.
Observe the multimeter test lamp or diagnostic tool while doing this.
Is the function correct?
NO
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See: Rectifying the Lead
YES -
See: Changing Components
Changing Components
Changing Components
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Change - Solenoid valve, heat exchanger
After performing this procedure See: Final Check
Rectifying the Lead
Rectifying The Lead
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Repair or replace the lead concerned.
After performing this procedure See: Final Check
Final Check
Final Check
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Clear the diagnostic trouble codes in all systems.
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Carry out a functionality test.
Is the function correct?
NO
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See: Before Changing A Control Module
YES -
The steps taken to rectify the fault were correct.
Before Changing A Control Module