saab Workshop Repair Guides

Saab Workshop Service and Repair Manuals

Diagnostic Tool Screen Does Not Go on With ON Button Pressed|Page 4538 > < Diagnostic Tool Screen Does Not Go on With ON Button Pressed|Page 4536
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YES -

See: Diagnostic Tool Screen Does Not Go on With ON Button Pressed/Checking the Diagnostic Tool's Grounding

Checking the Diagnostic Tool's Grounding

Checking The Diagnostic Tool's Grounding

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Connect test lamp 86 11 857 to pins 16 and 4 of the data link 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: Diagnostic Tool Screen Does Not Go on With ON Button Pressed/Checking the Fuse 

YES -

Continue With Checking The Diagnostic Tool's Grounding

Diagnostic Tool Screen Does Not Go on With ON Button Pressed|Page 4538 > < Diagnostic Tool Screen Does Not Go on With ON Button Pressed|Page 4536