9-3 SE Hatchback (9400) L4-2.0L Turbo (B205) HO (2000)
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
-
See: No Communication With TCM/Cars With Trionic T5 or Motronic Engine Management System/Rectifying the Lead - II
YES -
See: No Communication With TCM/Cars With Trionic T5 or Motronic Engine Management System/Checking the DICE Control Module's
Grounding
Checking the Diagnostic Tool
Checking The Diagnostic Tool
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Check whether the TCM can be contacted on another Saab 9-3 using the same diagnostic tool.
Is the function correct?
NO
-
Continue with Checking the Diagnostic Tool
YES -
See: No Communication With TCM/Cars With Trionic T5 or Motronic Engine Management System/Rectifying the Lead - I
Repair the diagnostic tool or change it, if necessary.
After performing this procedure See: No Communication With TCM/Cars With Trionic T5 or Motronic Engine Management System/Final Check
Checking the DICE Control Module's Grounding
Checking the DICE Control Module's Grounding
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Connect test lamp 86 11 857 between female connector pin 1 and pin 31.