Ignition coil (vehicles with engine code AFP), checking: Notes

Recommended special tools and equipment 

• V.A.G 1526 multimeter or V.A.G 1715 multimeter
• V.A.G 1527 voltage test lamp
• V.A.G 1594 connector test kit
• Wiring diagram

Test requirements 

Fig 1: Identifying Main Fuse Panel

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• The respective fuses of Ignition Coil -N152- must be OK:

Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations

• Fuel Pump (FP) Relay -J17- must be OK, check:

Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations

• Battery voltage must be at least 11.5 volts.
• All electrical consumers such as, for example, lights and rear window defroster must be switched off.
• Parking brake must be engaged or else daylight driving lights will be switched on.
• For vehicles with automatic transmission, selector lever must be in -P-.

• Ground (GND) connections between engine and chassis must be OK.
• Engine speed (RPM) sensor must be OK, checking. Refer to Engine speed (RPM) sensor, checking .
• Camshaft Position (CMP) sensors must be OK, checking. Refer to Camshaft Position (CMP) sensor, checking  .
• Ignition switched off.

Test sequence 

Fig 2: 5-Pin Connector At Ignition Coil N152

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• Disconnect 5-pin connector from Ignition Coil -N152- (arrow).

Checking voltage supply 

Fig 3: Measuring Voltage Between Terminals 1 & 5 Of Disconnected Ignition Coil Connector

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Connect multimeter to terminals 1 + 5 of disconnected connector for voltage measurement.
• Switch ignition on.

Specified value: at least 11.5 V

• Switch ignition off.

If there is no voltage:

Fig 4: 5-Pin Connector Terminals 1 & 5

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• Check wire between 5-pin connector terminal 5 and relay carrier for open circuit according to wiring diagram.

Wire resistance: max. 1.5 Ω

• Check for open circuit in wire between 5-pin connector terminal 1 and Ground (GND) according to wiring diagram.

Wire resistance: max. 1.5 Ω

• Erase DTC memory of Engine Control Module (ECM). Refer to Diagnostic mode 4: Reset/erase diagnostic data 
• Generate readiness code. Refer to Readiness code, generating 

If there is no malfunction in voltage supply:

• Check activation. Refer to Checking activation  .