Passat Syncro Wagon V6-2771cc 2.8L DOHC (AHA) (1998)
Multi-Function Transmission Range Switch: Testing and Inspection
Transmission Range (TR) signal, checking
The Engine Control Module (ECM) receives the following information from the automatic Transmission Control Module (TCM):
-
Driving range selected (selector lever in 2/3/4/R/D)
-
No driving range selected (selector lever in P or N)
Special tools and equipment
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VAG1551 or VAG1552 Scan Tool (ST) with VAG1551/3 adapter cable
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VAG1598/22 test box
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Multimeter US1119 (Fluke 83 or equivalent)
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VW1594 connector test kit
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Wiring diagrams
Checking conditions
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Automatic transmission selector lever in "P" or "N" position
Test procedure
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Connect VAG1551 or VAG1552 scan tool and press buttons -0- and -1- to insert "Engine Electronics" address word 01 (with ignition on), Refer to
"Scan Tool Testing/Scan Tool Connecting and Initial Checks/Connecting VAG1551/VAG1552 Scan Tool" under "Engine", See: Powertrain
Management/Computers and Control Systems/Testing and Inspection
Indicated on display
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -8- to select "Read Measuring Value Block" function 08, and press -Q- button to confirm input.
Indicated on display
Read Measuring Value Block
HELP
Input display group number XXX
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Press buttons -0-, -5- and -6- to input display group number 056 (056), and press -Q- button to confirm input.
Indicated on display (1-4 = display fields)
Read Measuring Value Block 56
->
1 2 3 4
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Check specifications in display field 4.
If the specifications are attained:
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Press -> button.