Passat Sedan V6-2771cc 2.8L DOHC (AHA) (1998)
Voltage supply at terminal 30, checking
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Connect VAG1598/22 test box to ECM harness connector.
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Connect multimeter US1119 (Fluke 83 or equivalent) between ECM/test box sockets 2 (Ground) and 3 (B+), using adapter cables from VW1594
connector test kit.
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Measure voltage.
Specified value: min. 11.5 volts
If voltage is NOT OK:
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Check wiring according to applicable wiring diagram.
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Check readiness code. If Diagnostic Trouble Code (DTC) memory has been erased, or ECM was disconnected, generate new readiness code.
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
Voltage supply at terminal 15, checking
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Connect VAG1598/22 test box to ECM harness connector.
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Connect multimeter between ECM/test box sockets 1 (terminal 15) and 2 (Ground), using adapter cables from VW1594 connector test kit.
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Switch ignition on, and check voltage.
Specified value: min. 11.5 volts
If voltage is NOT OK:
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Check wiring according to applicable wiring diagram.
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Check readiness code. If Diagnostic Trouble Code (DTC) memory has been erased, or ECM was disconnected, generate new readiness code.
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
With Generic Scan Tool
Engine Control Module (ECM), checking voltage supply