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Home >> Volvo >> 2009 >> XC90 Base, FWD >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control Module (CCM) Diagnostic Trouble Codes - 3 Of 3 >> CCM-Dd02: Lin Bus1. Faulty Check Sum (2005-2014) >> Faulty Check Sum >> Identifying Components On The Lin Network That Belong To The Climate Control System (CCM) >> Identifying Components On The Lin Network That Belong To The Climate Control System (CCM)
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Identifying Components On The Lin Network That Belong To The Climate Control System (CCM)

HINT: When identifying damper motors, each damper motor must be run to its limit position. These operations can take up to 30 seconds. When identifying the damper motors it is important that a battery charger is connected. 

Fig 1: Checking Traffic Load On CAN Cables
GLL101053Courtesy of VOLVO CARS CORPORATION