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Home >> Volvo >> 2008 >> S40 T-5, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Electronic Control Module (ECM) Diagnostic Trouble Codes - 3 Of 3 (644 Body)) >> ECM-82: Air Conditioning (A/C) Condenser Fan. Signal Too Low. Permanent Fault (B4204T3; 2004) >> Signal too low. Permanent fault >> Checking the air conditioning (A/C) relay

Checking the air conditioning (A/C) relay

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Connect an ohmmeter between the air conditioning (A/C) relay terminals #1 and #2 (relay side).

Fig 1: Identifying Air Conditioning (A/C) Relay Connector Terminals
GLL114250Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.

The ohmmeter should read approximately 105 Ω at +20 °C. 

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