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Home >> Volkswagen >> 2014 >> Passat TDI SE, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 2.0L - Generic Scan Tool - Engine Code: CKRA >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Charge Air Pressure / Intake Air Temperature Sensor, Checking >> Checking Wiring
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Checking Wiring

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

-- Using a multimeter, Check the Charge Air Pressure Sensor / IAT sensor -G31 / G42- electrical harness connector terminals to the Engine Control Module - J623 - electrical harness connector T94 terminals for an open circuit according to wiring diagram.

Charge Air Pressure Sensor / IAT sensor -G31 / G42- electrical harness connector terminals Engine Control Module - J623 - electrical connector T94 terminals
2 57
4 59

Specified value: 1.5 Ω max.

If the specified value was Not obtained:

-- Check the wiring for an open circuit, high resistance or short to Battery (+) or Ground.

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

-- If necessary, repair the faulty wiring connection.

If the specified value was obtained:

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

-- Replace the Charge Air Pressure Sensor / IAT sensor -G31 / G42- Refer to the Repair Information.



-- Go to Final Procedures 

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

-- Using a multimeter, Check the Charge Air Pressure Sensor/IAT sensor -G31/G42- electrical harness connector terminals to the Engine Control Module - J623 - electrical harness connector T94 terminals for an open circuit according to wiring diagram.

Charge Air Pressure Sensor/IAT sensor -G31/G42- electrical harness connector terminals Engine Control Module - J623 - electrical connector T94 terminals
1 80
3 82

Specified value: 1.5 Ω max.

If the specified value was Not obtained:

-- Check the wiring for an open circuit, high resistance or short to Battery (+) or Ground.

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

-- If necessary, repair the faulty wiring connection.

If the specified value was obtained:

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