21-7
Note:
WARNING! - Turn turbocharger tester on and select measuring range -I- (absolute
pressure).
- Connect test hose to connection flange -I-.
Hoses must be connected so there is no possibility of leaks, otherwise
incorrect readings may result. Ensure test hose is not pinched at the hood and/or window.By pressing the memory button "M" on the turbocharger tester, the last
test value is stored until either memory button "M" is pressed again or
the turbocharger tester is shut off. A blinking comma in the display field indicates a value has been
stored. An arrow appears in the top left corner of the display field if the
turbocharger tester battery voltage drops below the allowed
specification. Before testing, drive vehicle briskly for at least 3 km (approx. 2 miles)
without frequent stops. Always use a second technician to take measurements via the
VAG1397A turbocharger tester when test-driving vehicle for this
test. Follow "WARNING!" Page 21
-5 .
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