Passat GLS 4Motion V6-2.8L (ATQ) (2002)
-
Replace Secondary Air Injection (AIR) Solenoid Valve -N112-, item 6 .
-
Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
-
Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If specified value is 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
Vehicles with engine code AHA
-
Check wire between test box socket 33 + 2-pin connector terminal 2 for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohms
Vehicles with engine code ATQ
-
Check wire between test box socket 44 + 2-pin connector terminal 2 for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohms
Continuation for all vehicles
-
Also check the wire for short circuit to B+ or Ground (GND).
Specified value: Infinity Ohms
-
Check wire between 2-pin connector terminal 1 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-.