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Home >> Volvo >> 2003 >> XC90 Base, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 7 Of 13 >> ECM-929D: Engine Control Module (ECM). Signal Too Low (B5254T2; 2005-2007) >> Signal Too Low >> Fault-Tracing Information >> Fault-Tracing Information
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Fault-Tracing Information

CAUTION:

The male and female pins on the electronic throttle unit connectors are gold plated. Great care must be taken when measuring. Damage to the gold plating can result in operating difficulties.

Fig 1: Identifying Throttle Unit & Potentiometer
GLL105776Courtesy of VOLVO CARS CORPORATION