Passat Wagon L4-2.0L (ABA) (1995)
Intake Air Temperature Sensor: Testing and Inspection
Intake Air Temperature Sensor, Checking
INTAKE AIR TEMPERATURE SENSOR, CHECKING
Special tools, testers and auxiliary items
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VAG 1551 Scan Tool (ST) or vehicle system tester VAG 1552 with VAG 1551/3 adapter cable
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VAG 1598/18 test box
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Multimeter (Fluke 83 or equivalent)
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VW 1594 connector test kit
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Wiring diagram
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Chilling spray (commercially available)
Test sequence
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Connect VAG 1551 scan tool (VAG 1552) and insert "Engine Electronics" address word 01. Carry out selection with ignition switched on. Refer
to "On-Board Diagnostic". See: Testing and Inspection
Indicated on display
Rapid data transfer
HELP
Select function XX
-
Press buttons -0- and -8- to select "Read Measuring Value Block" function 08.
-
Press -Q- button to confirm input.
Indicated on display
Read measuring value block
HELP
Input display group number XXX
-
Press -0-, -0- and -3- to input display group number 003.
-
Press -Q- button to confirm input.
Indicated on display (1, 2, 3 and 4 = Display fields)
Reading measured value block 3
->
1
2
3
4
NOTE: If something different is indicated on the display:
See Scan tool operating instructions.
Functional Check
-
Read intake air temperature value in display field 4.
Continuation Of Check When Display = 19.6 °C
-
Switch ignition off.