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Home >> Volkswagen >> 2014 >> Passat TDI SE, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 1.8L - Generic Scan Tool - Engine Code: CPKA (Transmission DTC Tables) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> CAN-BUS TERMINAL RESISTANCE, Transmission Control Module - J217 - TO Engine Control Module - J623-, CHECKING >> Test Procedure
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Test Procedure

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

Start diagnosis

-- Raise the vehicle to gain access to the Transmission Control Module -J217- harness connector. Refer to the appropriate repair information.

-- Disconnect the Transmission Control Module -J217- harness connector.

NOTE:

The Engine Control Module -J623- must remain connected for the following step.

-- Using a multimeter, check the Transmission Control Module -J217- harness connector terminals 10 to 15 for resistance.

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

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 Engine Control Module -J623-. Refer to the appropriate repair information.

If the specified value was obtained:

Checking wiring

-- Remove the Engine Control Module -J623-. Refer to the appropriate repair information.

-- Using a multimeter, check the Transmission Control Module -J217- harness connector to the Engine Control Module -J623- harness connector T91 for resistance.

Transmission Control Module (TCM) -J217- harness connector terminals: Engine Control Module -J623- harness connector T91 terminals:
15 (Can-Bus Low) 80
10 (Can-Bus High) 79

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 Selector Lever -E313-. Refer to the appropriate repair information.