Diagnostic Tests: Notes

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NOTE: To properly diagnose vehicle, it is recommended to use connector test kit (VW 1594) and scan tool (VAG 1551) with harness adaptor (VAG 1551/1). See Figure . All voltage and continuity tests should be performed with a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance. After any repairs are made, erase DTC memory and test drive vehicle. See CLEARING CODES and TEST DRIVE . Recheck DTC memory and verify DTC does not set again. If DTC sets again, perform testing procedure again.