Jetta GLX Wagon V6-2.8L (AFP) (2001)
If indicated voltage does not oscillate:
-
Remove instrument cluster:
-
Check wire connection from Engine Control Module (ECM) to Speedometer -G21- according to wiring diagram.
-
Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
See: Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data
-
Generate readiness code.
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes