volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 2949 > < With Manufacturer's Scan Tool
Page 2
background image

If the specification is not obtained:

-

Perform check according to following table:

Evaluating display group 4, display zone 3 - Engine Coolant Temperature (ECT)

If the specification is obtained:

-

Start engine and run at idling speed.
Temperature value must increase uniformly

NOTE:
-

Temperature increases in steps of 1.0 °C.

-

If irregular engine running occurs in certain temperature ranges and the temperature figure does not increase without interruption, the
temperature signal is temporarily interrupted and the sensor must be replaced.

-

Press -> button.

-

Press buttons -0- and -6- for "End output" function and confirm input with -Q- button.

Continuation of check when display approx. -48 °C:

With Manufacturer's Scan Tool|Page 2949 > < With Manufacturer's Scan Tool