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Passat Sedan V6-3.6L (BLV) (2008)

Powertrain Management > Ignition System > Ignition Coil > Component Information > Testing and Inspection

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Ignition Coil: Testing and Inspection

Diagnostic Procedures

Ignition Coils with Power Output Stage, Checking

Special tools, testers and auxiliary items required

‹› Multimeter.

‹› Wiring diagram.

Test requirement

‹› The Ignition Coils with Power Output Stage (N70, N127, N291, N292, N323, N324) fuses OK.

‹› The Motronic Engine Control Module (ECM) Power Supply Relay (J271) OK.

‹› The Engine Speed (RPM) Sensor (G28) OK. 

‹› The Camshaft Position (CMP) Sensor (G40)OK. 

‹› Battery voltage at least 12.5 volts.

‹› All electrical consumers such as, lights and rear window defroster, switched off.

‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".

‹› A/C switched off.

‹› Ground connections between engine/transmission/chassis OK.

‹› Ignition switched off.

Test procedure

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Observe safety precautions. Refer to => [ Safety Precautions ] See: Computers and Control Systems/Service Precautions/Safety Precautions

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Observe Clean Working Conditions. Refer to => [ Clean Working Conditions ] See: Computers and Control Systems/Service Precautions/Clean
Working Conditions

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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check.

Start diagnosis

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Remove the Ignition Coils with Power Output Stage (N70, N127, N291, N292, N323, N324) electrical harness screws.

Powertrain Management > Ignition System > Ignition Coil > Component Information > Testing and Inspection

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