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Home >> Volkswagen >> 2012 >> Beetle Turbo, 2.0L Eng VIN 6, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 2.0L - Generic Scan Tool - Engine Code: CCTA (Hatchback) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Can-Bus Terminal Resistance, 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 Data Bus On Board Diagnostic Interface -J533- electrical harness connector to the Engine Control Module -J623- electrical harness connector T94 for resistance.

Data Bus On Board Diagnostic Interface -J533- electrical connector T20 terminals: Engine Control Module -J623- electrical connector T94 terminals:
6 (Can-Bus Low) 67
16 (Can-Bus High) 68

Specified value: 1.5 Ω Max.

If the specified value was Not obtained:

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

-- Check the wiring connection for damage, corrosion, loose or broken terminals.

-- If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring:

-- Replace the Data Bus On Board Diagnostic Interface -J533-.