Passat Wagon V6-2792cc 2.8L DOHC (1994)
Ignition Coil Pack: Testing and Inspection
CHECKING IGNITION COIL
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"Ignition Output 1," "Ignition Output 2" or "Ignition Output 3" displayed by VAG 1551 On Board Diagnostic (OBD) program (function 02,
Check DTC Memory).
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Camshaft Position (CMP) Sensor OK.
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Carry out electrical testing, test steps 2 and 24.
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Check voltage supply to Ignition Coil (N152) only if the engine will not start.
CHECKING VOLTAGE SUPPLY
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Disconnect 5-pin connector from Ignition Coil.
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Connect Fluke 83 hand multimeter (US 1119 or equivalent) to measure voltage across connector terminals -1- and -5-, using cables from VAG
1594 adapter kit.
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Switch ignition ON.
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Multi meter should read 10 Volts (minimum).
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Switch ignition OFF.
CHECKING ACTIVATION
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Remove fuse 18 (S18).
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Connect VAG 1527B voltage tester (LED test light) to connector terminals -5- and -2-, using cables from VAG 1594 adapter kit.
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Operate starter and check ignition signal from Motronic Engine Control Module (ECM) (J220).
NOTE: LED must flicker.
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Repeat the test twice more, with the voltage tester connected to terminals -5- and -3-, then -5- and -4-.
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If LED does NOT flicker, replace Motronic Engine Control Module.