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Home >> Volvo >> 2009 >> C30 R-Design, Automatic >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Accessory Electronic Module (AEM), Accessory USB Unit (AUU), And Central Electronic Module (CEM) Diagnostic Trouble Codes >> CEM-3F02: Clutch Pedal Sensor. Faulty Signal (2007-2013) >> Faulty Signal (2007) >> Checking The Component And Wiring
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Checking The Component And Wiring

Check control module connector terminals (#G12, G21, G23) and clutch pedal sensor connectors. Check for contact resistance and oxidation. Check for damage carefully.

Check the clutch pedal sensor resistance.

Check the signal cable between central electronic module (CEM) terminal #G21 (#21) and clutch pedal sensor connector terminal #3. Check for an open-circuit. Check for a short-circuit to ground.

Check the signal cable between central electronic module (CEM) terminal #G23 (#23) and clutch pedal sensor connector terminal #2. Check for an open-circuit. Check for a short-circuit to ground.

Check the signal cable between central electronic module (CEM) terminal #G12 (#12) and clutch pedal sensor connector terminal #1. Check for an open-circuit. Check for a short-circuit to ground.

Try replacing the clutch pedal sensor if no fault is found in the wiring.

Remedy as necessary.

Other information 

Fig 1: Identifying 2-Bit Connector
GLL140616Courtesy of VOLVO CARS CORPORATION
Fig 2: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS CORPORATION