Touareg V8-4.2L (AXQ) (2006)
Checking resistance
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Measure resistance between terminals of solenoid valve.
Specified value: 22.0 to 30.0 ohms
If specified value is not obtained:
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Replace Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80).
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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 specified value is obtained:
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Check wires 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 wire between test box socket 64+2-pin connector terminal 2 for open circuit according to wiring diagram.