Checking The Power Supply

Checking the power supply

Check the fuse for power supply to the electronic throttle unit. If the fuse is blown, check the circuit after the fuse. Check for a short-circuit to ground
Check power supply to throttle unit #6. Voltage should be approximately battery voltage.

Checking the ground terminal

Check the ground lead between throttle unit terminal #5 and engine ground terminal ETM 31/91. Check for an open-circuit
Check the ground terminal for the throttle unit. Check for contact resistance and oxidation.

Remedy as necessary

Other information

Ground terminal electronic throttle module (ETM) 31/91 for the throttle unit is located on the front of the cylinder block above the starter motor
For information about signals, see ELECTRICAL SYSTEM
For information about the fuses, see the relevant wiring diagram
See Contents .

Fig 1: Identifying Electronic Throttle Module Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Voltage Display

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Damper Motor Integrated With Electronic Unit

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected?