volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Engine Controls - Driveability Problems|Page 3800 > < Engine Controls - Driveability Problems|Page 3798
Page 1
background image

Throttle Position Sensor: Testing and Inspection

TESTING PROCEDURE:

NOTE: While trouble shooting, always check the wiring, fuses and connectors for good condition and routing. Use the wiring diagrams found in 

ELECTRICAL DIAGRAMS to supplement your testing efforts.

Removing Ignition ECU Connector

1. Turn ignition OFF.
2. Access ignition ECU by removing the passenger side kick panel and glove compartment.
3. Remove ECU connector by pushing out the catch and folding out the wire cluster.
4. Check ignition ECU ground connections at intake manifold. They should make good contact.

Removing Protective Cover

5. Remove connector protective sleeve.

IMPORTANT
Never check connections from the front. Connectors can get damaged and worsen the problem.
Check connections through the holes in the connector.
Connection pin numbers are printed on the connector side.

Checking Terminal Pins

Engine Controls - Driveability Problems|Page 3800 > < Engine Controls - Driveability Problems|Page 3798