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Home >> Volkswagen >> 2004 >> Touareg 4.2 M >> Repair and Diagnosis >> Engine Performance >> System >> 4.2L - Generic Scan Tool - Engine Code(S): AXQ >> St Generic Scan Tool >> Description And Operation >> Ignition System >> Notes

Ignition System: Notes

NOTE:

For the electric components to work properly, a voltage of at least 11.5 V is required.

The battery must only be disconnected and connected with the ignition switched off, since the Engine Control Module (ECM) can otherwise be damaged.

Engine Control Module (ECM) is equipped with On Board Diagnostic (OBD).

Components marked with * are tested via On Board Diagnostic (OBD), Diagnostic mode 3: Check DTC memory.

It is possible that the control module will recognize a malfunction and store a DTC during some tests. Therefore the following work steps must be performed in the mentioned sequence after ending all tests and repairs.

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