Touareg V6-3.2L (BMX) (2005)
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If LED flickers and voltage supply is OK:
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Replace the respective ignition coil with power output stage.
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Erase DTC memory of Engine Control Module (ECM) , Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code.
If LED does not flicker:
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Check wires to Engine Control Module (ECM) according to wiring diagram.
Checking wiring
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Connect test box to control module wiring harness , connect test box for wiring test.
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Check wires between test box and 4-pin connector for open circuit according to wiring diagram.
Wire resistance: max. 1.5 ohms
