GTI V6-2792cc 2.8L DOHC (AAA) (1996)
Engine Control Module: Testing and Inspection
Engine Operation, Checking
Engine Operation:
Checking:
NOTE:
Check establishes whether Engine Control Module (ECM) -J220- recognizes the engine operating condition.
Special tools, testers and auxiliary items:
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VAG 1551/1552 scan tool with VAG 1551/3 adapter cable.
Test conditions:
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Engine oil temperature min. 80°C (176°F).
Test sequence:
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Engine running at idle.
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Connect VAG 1551/1552 scan tool and select "Engine Electronics" address word 01. See: Computers and Control Systems/Testing and Inspection
Indicated on display
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Press buttons -0- and -8- to select "Read Measuring Value Block" function 08 and press -Q- button to confirm input.
Indicated on display
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Press buttons -0-, -0- and -5- to input display group 005 and press -Q- button to confirm input.
Indicated on display (1-4 = Display fields)
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Check whether the ECM recognizes the operating mode (display field 4).
If the specifications are not attained:
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Check accelerator mechanism for ease of operation.
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Checking throttle valve control module. See: Fuel Delivery and Air Induction/Throttle Valve Control Module/Testing and Inspection