Checking Wiring

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

-- Using a Multimeter, Check the Throttle Valve Control Module -J338- electrical harness connector to the Engine Control Module (ECM) - J623 - electrical harness connector T60 for an open circuit.

Specified value: 1.5 Ω Max.

If the specified value was Not obtained:

-- Check the wiring connection for an open or short circuit.

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

-- If necessary, repair the faulty wiring connection and replace any open fuses

-- Go to Final Procedures 

If the specified value was obtained:

If no malfunction is detected in the wiring and the voltage was Not OK:

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

-- Go to Final Procedures 

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

-- Using a Multimeter, Check the Throttle Valve Control Module -J338- electrical harness connector to the Engine Control Module (ECM) - J623 - electrical harness connector T60 for an open circuit.

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 positive or Ground

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

-- If necessary, repair the faulty wiring connection.

If the specified value was obtained:

-- Replace the Throttle Valve Control Module -J338-. Refer to the Repair Information.