Paddle Shifter - (Downshift Switch) Test

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

SRS components are located in this area. Review the SRS component locations (see COMPONENT LOCATION INDEX ) and the precautions and procedures (see PRECAUTIONS AND PROCEDURES ) in the SRS before doing repair or service.

Remove the steering wheel (see STEERING WHEEL REMOVAL ).
Check the paddle shifter - (downshift switch) for continuity between steering wheel switch harness 20P connector terminals No. 16 and No. 7. There should be continuity while pressing the paddle shifter - (downshift switch), and no continuity when the paddle shifter - is released.

Fig 1: Identifying Steering Wheel Switch Harness 20P Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.
The paddle shifter - (downshift switch) test is finished if the test result is OK.
If the paddle shifter - works incorrectly at the 20P connector, test the paddle shifter - at the connector.
Remove the paddle shifter - (downshift switch) connector from its holder, and disconnect the connector.

Fig 2: Disconnecting Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check the paddle shifter - (downshift switch) for continuity between the paddle shifter - (downshift switch) connector terminals while pressing the paddle shifter - and when the paddle shifter - is released.
There should be continuity while pressing the paddle shifter -, and no continuity when the paddle shifter - is released.
Replace the paddle shifter - (downshift switch) if the paddle shifter - works incorrectly.
Replace the steering wheel switch harness if the paddle shifter - is OK.