Passat Sedan V6-2792cc 2.8L DOHC (AAA) SFI (1997)
Checking voltage supply terminal 15
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Switch ignition off.
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Connect VAG 1598/18 test box to ECM wiring harness (arrow).
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Switch ignition on.
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Connect multimeter using test leads from VW 1594 to measure voltage at test box sockets 1 and 23.
Specification: 12-14.5 volts.
If the specification is not attained:
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Check wiring according to wiring diagram.
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: Powertrain Management/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.