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Home >> Volvo >> 2004 >> XC90 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Integrated Audio Module (IAM) And Infotainment Control Module (ICM) Diagnostic Trouble Codes >> ICM-1F21: Left-Hand Keypad Circuit 1. Signal Too High / Too Low (2003-2014) >> Signal Too High / Low >> Verification >> Verification

Signal Too High / Low: Verification: Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Identifying Ignition ON
GLL101051Courtesy of VOLVO CARS CORPORATION
Fig 2: Connecting Connector
GLL101069Courtesy of VOLVO CARS CORPORATION

Do all the buttons operate normally?