New Beetle L4-1.8L Turbo (AWP) (2003)
Intake Air Temperature Sensor: Testing and Inspection
Intake Air Temperature (IAT) Sensor, Checking
With Manufacturer's Scan Tool
Intake Air Temperature (IAT) Sensor, Checking
NOTE: Only gold-plated terminals must be used to repair the terminals in the Intake Air Temperature (IAT) sensor.
Special tools, test equipment and auxiliary items
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VAG 1551 scan tool or VAG 1552 mobile scan tool with VAG 1551/3B cable
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VAG 1598/31 test box
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VAG 1526 hand multimeter or VAG 1715 multimeter
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VAG 1594 adapter set
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Electrical Wiring Diagram
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VAG 1921 pliers for spring type clips
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Chilling spray (commercially available)
Test sequence
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Connect VAG 1551 scan tool ((VAG 1552). Switch ignition on and select Motronic Engine Control Module (ECM) -J220- with "Address word"
01. Connecting scan tool and selecting Motronic Engine Control Module (ECM) -J220-. See: Testing and Inspection/Reading and Clearing
Diagnostic Trouble Codes/Scan Tool Connecting/With Manufacturer's Scan Tool/Connecting VAG 1551 Scan Tool
Indicated on display
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -8- for function "Read measuring value block" and confirm entry with -Q- button.
Indicated on display
Read measuring value block
Input display group number XXX
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Press buttons -0-, -0- and -4- for "Display group number 4" and confirm entry with -Q- button.
Indicated on display (1 to 4 = Display zones)
Read measuring value block 4
->
1
2
3
4
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Read off intake air temperature value in display zone 4.
Specification: approx. ambient temperature