Touareg V6-3.2L (BMX) (2005)
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Switch ignition on.
Specified value: at least 10.0 V
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Switch ignition off.
If there is no voltage:
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Check wires between 4-pin connector (terminals 1 and 2) and Motronic Engine Control Module (ECM) Power Supply Relay (J271) for open
circuit according to wiring diagram.
Wire resistance: max. 1.5 ohms
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Check for open circuit in wire between 4-pin connector terminal 4 and Ground (GND) according to wiring diagram.
Wire resistance: max. 1.5 ohms
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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 there is no malfunction in voltage supply:
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Check wire to Engine Control Module (ECM) according to wiring diagram.
Checking wire to Engine Control Module (ECM)
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Connect test box to control module wiring harness , connect test box for wiring test.
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Check wire between test box and 4-pin connector for open circuit according to wiring diagram.