Work sequence

Connect VAS5051 tester or VAG1551 scan tool and select the control module for engine electronics using "address word" 01. Refer to VAS5051 vehicle diagnostic, testing and information system orVAG1551 Scan Tool (ST), connecting and selecting functions .

Ignition must remain switched on.

Rapid data transfer HELP
Select function XX

Indicated on display:

Press buttons -0- and -8- to select "Read Measuring Value Block" and press -Q- button to confirm input.

Read Measuring Value Block Q
Input display group number XXX

Indicated on display:

Press buttons -0-, -0- and -4- to select "display group number 004" and press -Q- button to confirm input.

Read Measuring Value Block 4 →
1 2 3 4

Indicated on display

Check specified value for Intake Air Temperature (IAT) sensor in display field 4:

NOTE: With cold engine, the Intake Air Temperature (in display field 4) must approximately match the coolant temperature (in display field 3).

	Display fields
	1	2	3	4
Display group 004: Intake Air Temperature (IAT), engine at idle
Display	xxxx/min	xx.x volts	xxx.x ° C	xxx.x ° C
Indicated	Engine speed (RPM)	Battery voltage	Coolant temperature	Intake Air Temperature (IAT)
Functional range	0 to 6800 RPM	10.0 to 15.0 V	-48.0 to 143.0 ° C	-48.0 to 143.0 ° C
Specified value	xxxx/min	12.0 to 15.0 V	80.0 to 110.0 ° C	From ambient temperature up to 120 ° C 1)

1) Approximate values: While driving, up to 24 ° C above ambient temperature. If heated while standing, up to 120 ° C is possible.