Passat Sedan L4-1896cc 1.9L DSL Turbo (1Z) (1997)
Throttle Position Sensor: Adjustments
THROTTLE POSITION SENSOR, INSTALLING AND ADJUSTING
Special Tools, Testers And Auxiliary Items
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VAG 1551/1552 Scan Tool with VAG 1551/3 adaptor cable
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Box Wrench (e.g. Hazet 4561)
Installing:
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Attach Throttle Position sensor G79 to mounting bracket
NOTE: The illustration shows the Throttle Position sensor removed from the vehicle and viewed from above.
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Attach cable cam to Throttle Position sensor so dimensions shown are maintained when facing forwards
a
22 mm (0.87 in.)
b
41 mm (1.61 in.)
c
Forwards
NOTE: The cable cam eye must be parallel to forward direction.
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Install Throttle Position sensor with mounting bracket
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Install Accelerator Pedal and fit cable cam eye to pin on Accelerator Pedal
Adjustment Checking:
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Connect Scan Tool VAG 1551/1552
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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 XX
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Press 0 and 2 buttons to select "display group 02"
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Press Q button to enter input
Display will appear as shown:
Read measuring value block 2 -->
0rpm 0.0% 0 1 0 18.4°C
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Observe Throttle Position display in channel 2 DO NOT operate Accelerator Pedal
Specification: 0.0%
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Slowly press Accelerator Pedal while observing channel 2
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Throttle Position value must increase continuously and reach 100% shortly before Wide Open Throttle
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With Accelerator Pedal in Closed Throttle Position display in channel 2 shows 0.0%