Jetta GLX V6-2.8L (AFP) (2002)
If specified values are not obtained:
-
Replacing Leak detection pump (LDP) -V144-.
-
Vehicles with engine code AFP, item 8,
-
Vehicles with engine code BDF, item 7.
-
Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
See: Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Clearing Diagnostic Trouble Codes
-
Generate readiness code.
See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If specified values are obtained:
-
Connect test box to control module wiring harness, connect test box for wiring test.
See: Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan
Tool/Test Box, Connecting For Wiring Test
-
Check wires between test box and 3-pin connector for open circuits according to wiring diagram.
Terminal 1 + socket 80
Terminal 2 + socket 25
Wire resistance: max: 1.5 Ohms
-
Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: Infinity Ohms
-
Check wire between 3-pin connector terminal 3 and the Fuel Pump (FP) Relay -J17- for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohms
If no malfunctions are found in wires:
-
Replace Motronic Engine Control Module (ECM) -J220-.