Volkswagen Passat 1995 Official Factory Repair Manual page 1712

Motronic Fuel Injection and Ignition system, component layout
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- Spray sensor with commercially available
freezing agent.
- Observe Engine Coolant Temperature value in
display zone 4. The value must decrease
uniformly and without interruption.
- Press
button.
- Select Function 06 "End output" and confirm
with Q.
If the temperature value does not change:
- Perform electrical check, test step Fig. 25
page 01-42 (Fuel and Ignition), if necessary
replace Intake Air Temperature sensor (G72)
Page 24-15 , item 16 .
Page 49 of 59
24-36
6/12/2004