Electronic Throttle Control Module: Service and Repair

1999 Volkswagen Passat Sedan (3B2) V6-2.8L (AHA)SECTION Service and Repair



Throttle Valve Control Module, Removing and Installing




1 - Intake manifold
2 - To vacuum booster
3 - To fuel pressure regulator
- Location, item 5, Service and Repair
4 - T-piece
5 - To one-way valve
- Location, item 4, Service and Repair
6 - Vacuum hose
7 - O-ring
- Replace if damaged
8 - Support bracket
- For change-over barrel
9 - 6 Nm (53 in lb)
10 - Intake Air Temperature (IAT) sensor -G42-*
- Checking, Testing and Inspection
- Resistance graph, Testing and Inspection
11 - Intake air elbow
12 - 10 Nm (7 ft lb)
13 - To positive crankcase ventilation valve
14 - Seal
- Replace if damaged
15 - 10 Nm (7 ft lb)
- Install with "D6" locking fluid
16 - Throttle valve control module -J338-*
- Checking, Testing and Inspection
- If replaced, adapt to ECM, Testing and Inspection
17 - To Evaporative Emission (EVAP) canister purge regulator valve -N80-
18 - Seal
- Replace if damaged
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.