Passat Sedan L4-1781cc 1.8L Turbo (AEB) (1999)
Multi-Function Transmission Range Switch: Testing and Inspection
Transmission Range Signal, Checking
Transmission Range signal, checking
NOTE:
Engine Control Module (ECM) receives following data from (Automatic) Transmission Control Module (TCM): Driving range selected (selector lever
in 2/3/4/R/D) or No driving range selected (selector lever in P or N)
Special tools, testers, measuring instruments and auxiliary items required
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Scan Tool VAG 1551 with cable VAG 1551/3B
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VAG 1598/22 Test Box
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Fluke 83 Multimeter
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WV 1594 Adaptor kit
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Wiring diagram
Test conditions
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Transmission Range selector must be in "P" or "N" position.
Test sequence
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Connect VAG 1551/1552 Scan Tool, Refer to "Scan Tool Testing", See: Testing and Inspection/Reading and Clearing Diagnostic Trouble
Codes/Scan Tool Connecting
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Switch ON ignition
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Press 0 and 1 buttons to select "Address word" 01 "Engine electronics"
Display will appear as shown
Rapid data transfer
HELP
Select function XX
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Press 0 and 8 buttons to select Function 08: "Read measuring value block"
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Press Q button to enter input Display will appear as shown
Read measuring value block
HELP
Input Display group number XXX
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Press 0, 5 and 6 buttons to select "Display group 56"
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Press Q button to enter input
Display will appear as shown (1 to 4 Display zones)
Read measuring value block 56
->
1 2 3 4
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Check specifications in Display zone 4 on chart.