9-3 SE Hatchback (9400) L4-2.0L Turbo (B205) HO (2000)
If no fault is found, rectify the communications lead between the Motronic control module and the data link connector.
Check wiring harness.
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short-circuits in the leads.
Observe the multimeter, test lamp or diagnostic tool during the test.
Quick Check
Quick Check
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Check fuse 17 and/or fuse 28 and change if necessary.
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Visually check to see if pins 6 and 7 on the data link connector have slipped out.
Is the function correct?
NO
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Continue with Quick Check
YES -
See: No Communication With Motronic/Checking That Motronic Is Active
Rectify the fault
After performing this procedure See: No Communication With Motronic/Final Check
Checking That Motronic Is Active
Checking That Motronic Is Active
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Turn the ignition switch to the ON position.
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The CHECK ENGINE lamp should go on when the ignition is turned ON.
Is the function correct?
NO
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See: No Communication With Motronic/Checking the Motronic Control Module Power Supply
YES -
See: No Communication With Motronic/Checking the Diagnostic Tool
Checking the Diagnostic Tool
Checking The Diagnostic Tool