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Home >> Volkswagen >> 2014 >> Beetle TDI, 2D Hatchback, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 2.0L - Generic Scan Tool - Engine Code: CJAA (Hatchback) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> CAN-BUS Instrument Cluster To Data BUS OBD Interface, Checking >> Test Procedure
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Test Procedure

-- Perform a preliminary check to verify the customers complaint. Refer to PRELIMINARY CHECK 

Start diagnosis

-- Disconnect the Instrument Cluster Control Module -J285- electrical harness connector.

NOTE: the Engine Control Module (ECM) -J623- must remain connected for the following step.

-- Using a multimeter, Check the Instrument Cluster Control Module -J285- electrical harness connector terminals T32/29 to T32/30 for resistance.

Specified value: 60 to 72 Ω (at approx. 20°C)

If the specified value was not obtained:

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

-- 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 Engine Control Module (ECM) -J623-. Refer to the appropriate service information.

If the specified value was obtained:

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