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Home >> Volkswagen >> 2012 >> Passat TDI SE, Standard Trans >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 2.0L - Generic Scan Tool - Engine Code: CKRA >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> EGR Motor And EGR Potentiometer 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 EGR Motor -V338- / EGR Potentiometer -G212- electrical harness connector to the Engine Control Module - J623 - electrical harness connector T60 for an open circuit.

EGR Motor -V338- /EGR Potentiometer -G212- electrical harness connector terminal Engine Control Module -J623- electrical harness connector T60 terminals
2 4
4 Blank
5 27
6 19

Specified value: 1.5 Ω Max.

If the specified value was Not obtained:

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

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

-- If necessary, repair the faulty wiring connection.

-- Go to Final Procedures 

If the specified value was obtained:

-- Replace the EGR Motor -V338- /EGR Potentiometer -G212-. 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 EGR Motor -V338- /EGR Potentiometer -G212- electrical harness connector to the Engine Control Module - J623 - electrical harness connector T60 for an open circuit.

EGR Motor -V338- /EGR Potentiometer -G212- electrical harness connector terminal Engine Control Module (ECM) -J623- electrical harness connector T60 terminals
1 58
3 56

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.

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

-- If necessary, repair the faulty wiring connection.

-- Go to Final Procedures 

If the specified value was obtained:

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

-- Install the engine cover. Refer to the Repair Information.