9-3 Hatchback (9400) L4-2.0L Turbo (B205) (2000)
No Communication With The Trionic T5
Fault symptoms
No communication with the Trionic T5.
Conditions
The following conditions are applicable:
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Ignition switch in ON position
Diagnostic help
First, check the fuses for the Trionic system and that the data link connector pins for communication are in place.
Then, check whether the Trionic control module is awake and allowing diagnostics communication. If not, check to see if the diagnostic tool works in
another car.
If no fault is found, rectify the communications lead between the Trionic 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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Check pin 7 of the data link connector visually for possible pin displacement.
Is the function correct?