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Home >> Volvo >> 1995 >> 940 Base, 4D Sedan, AW71L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Non-Turbo >> Self-Diagnostics - Fuel Injection >> Fault Code Testing - Fuel Injection >> Code 2-2-3: Idle Valve Signal
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Code 2-2-3: Idle Valve Signal

Turn ignition off. Disconnect fuel system ECU connector and remove protective sleeve. Connect an ohmmeter between harness side of terminal No. 33 (Red/Black wire) and terminal No. 9 (Blue/Yellow wire). Reading should be about 8 ohms. If reading is not 8 ohms, check wiring and connectors. If wiring and connectors are okay, test idle valve. For idle valve testing, see SYSTEM/COMPONENT TESTS article.

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