New Beetle GLS L4-2.0L (AVH) (2001)
Indicated on display (1-4 = Display zones)
Read Measuring Value Block 5
->
1
2
3
4
-
Perform test drive with a 2nd person to observe display.
Observe the valid safety precautions when carrying out a road test.
-
Observe figure displayed in display zone 3:
Specification: approx. driven speed
-
Press -> button.
-
Press buttons 0 and 6 for the "End output" function and confirm input with Q button.
-
Switch ignition off.
If no speed is displayed:
-
Remove inner plenum chamber cover, left:
-
Connect test box V.A.G 1598/31 to control module wiring harness. Engine control module is not connected by this action.
-
Connect multimeter to measure voltage between test box sockets 2 + 20.
-
Switch ignition on.
-
Lift vehicle at front left.
-
Rotate front wheel and observe voltage display.
Specification: between 0 and at least 4 Volt fluctuating
NOTE: If necessary, hold the front right wheel to prevent it from turning.
If the display does not fluctuate:
-
Check wiring to speedometer/speedometer sensor.
-
Check DTC memory, if necessary, repair any malfunctions and then erase DTC memory. Refer to "Displaying and Reading Trouble Codes/With
Manufacturers Scan Tool/DTC Memory Checking and Erasing" See: Computers and Control Systems/Testing and Inspection
-
Check drivetrain CAN-Bus:
-
Read readiness code. If DTC memory has been erased or engine control module was disconnected from permanent positive, readiness code must
be generated again.
Refer to "Monitors, Trips and/or Drive Cycle/Readiness Code, Displaying" See: Computers and Control Systems/Testing and Inspection
Refer to "Monitors, Trips and/or Drive Cycle/Readiness Code, Generating" See: Computers and Control Systems/Testing and Inspection
With Generic Scan Tool
Speed Signal, Checking
Recommended special tools and equipment
-
VAG 1526 multimeter or VAG 1715 multimeter
-
VAG 1594 connector test kit
-
Wiring diagram