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Home >> Volkswagen >> 2013 >> Passat S, 2.5L Eng VIN P, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> 2.5L - Generic Scan Tool - Engine Code(S): CBTA & CBUA >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Throttle Valve Control Module, Checking >> Checking Wiring
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Checking Wiring

-- Remove the Engine Control Module (ECM) -J623-. Refer to the Repair Information.

-- Using a multimeter, check the Throttle Valve Control Module -J338- electrical harness connector terminals to the Engine Control Module (ECM) -J623- electrical harness connector T60 terminals for an open circuit according to the wiring diagram. Refer to Wiring Diagrams for pin locations.

Throttle Valve Control Module -J338- electrical harness connector terminals: Engine Control Module (ECM) -J623- electrical connector T60 terminals:
1 54
2 12
3 46
4 41
5 47
6 43

Specified value: 1.5 Ω max.

If the specified value was Not obtained:

-- Check the wiring for an open, high resistance or short to ground.

-- If necessary, repair the faulty wiring connection.

-- Check the electrical harness connector for damage, corrosion, loose or broken terminals.

If no fault is detected in the wiring and the voltage supply was OK:

-- Replace the Throttle Valve Control Module -J338-. Refer to the Repair Information.

If no fault is detected in the wiring and the voltage supply was Not OK:

-- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information.