Paddle Shifter + (Upshift Switch) Circuit Troubleshooting

Paddle Shifter + (Upshift Switch) Circuit Troubleshooting

SRS components are located in this area. Review the SRS component locations Locations and the precautions and procedures Service and Repair in the SRS before doing repair or service.

1. Remove the steering wheel Steering Wheel Removal.

2. Check for continuity between cable reel subharness 20P connector terminals No. 8 and No. 16 when pressing and releasing the paddle shifter + (upshift switch).





Is there continuity while pressing the paddle shifter + (upshift switch) and no continuity when the paddle shifter + (upshift switch) is released?

YES -

Go to step 5.

NO -

Go to step 3.

3. Disconnect the paddle shifter + (upshift switch) connector.

4. Check for continuity between the paddle shifter + (upshift switch) connector terminals when pressing and releasing the paddle shifter + (upshift switch).





Is there continuity while pressing the paddle shifter + (upshift switch) and no continuity when the paddle shifter + (upshift switch) is released?

YES -

Replace the cable reel subharness.

NO -

Replace the paddle shifter + (upshift switch) Paddle Shifter + (Upshift Switch) or Paddle Shifter - (Downshift Switch) Replacement.

5. Remove the cable reel Service and Repair.

6. Check for continuity between cable reel 20P connector terminal No. 5 and body ground.





Is there continuity?

YES -

Go to step 7.

NO -

Repair an open in the wire between cable reel20P connector terminal No. 5 and ground (G502), or repair poor ground (G502).

7. Check for continuity between cable reel 20P connector terminal No. 16 and body ground.





Is there continuity?

YES -

Repair a short to body ground in the wire between cable reel 20P connector terminal No. 16 and PCM connector terminal B16.

NO -

Go to step 8.

8. Turn the ignition switch to ON (II), and shift to S.

9. Measure the voltage between cable reel 20P connector terminals No. 5 and No. 16.





Is there battery voltage?

YES -

Replace the cable reel Service and Repair.

NO -

Go to step 10.

10. Turn the ignition switch to LOCK (0).

11. Jump the SCS line with the HDS.

12. Disconnect PCM connector B (44P).

13. Check for continuity between PCM connector terminal B16 and cable reel 20P connector terminal No. 16.






Is there continuity?

YES -

Check for loose or poor connections at PCM connector terminal B16. If the connection is OK, substitute a known-good PCM and recheck.

NO -

Repair an open in the wire between PCM connector terminal B16 and the cable reel 20P connector.