FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Checking the Communication Cable




Checking The Communication Cable







- Ignition off.
- Connect control module.
- Ignition on.

Connect a voltmeter between data link connector (DLC) terminal 7 and ground.

The voltmeter should read approximately 9-11 V

Low - Checking For A Short-Circuit

High - Checking For A Short-Circuit

OK - Checking Communication With VGLA