9-3 Convertible (9400) L4-2.0L Turbo (B205) (2000)
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Connect test lamp 86 11 857 to pins 1 and 2 of the female connector.
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The test lamp should light.
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: No Communication With Auxiliary Heater/Rectifying the Lead - II
YES -
See: No Communication With Auxiliary Heater/Final Check
Checking the Diagnostic Tool
Checking The Diagnostic Tool
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Check whether the DAH can be contacted on another Saab 9-3 using the same diagnostic tool.
Is the function correct?
NO
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Continue with Checking the diagnostic tool
YES -
See: No Communication With Auxiliary Heater/Rectifying the Lead - I