Paddle Shifter - (Downshift Switch) Illumination Circuit Troubleshooting

Paddle Shifter - (Downshift Switch) Illumination 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. 3 and No. 4.

Is there continuity?
YES - Go to step 3.

NO - Go to step 10.






3. Remove the cable reel. Service and Repair

4. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, and turn the lighting switch ON.

5. Measure the voltage between cable reel 20P connector terminals No. 9 and No. 10.

Is there battery voltage?
YES - Replace the cable reel. Service and Repair

NO - Go to step 6.






6. Measure the voltage between cable reel 20P connector terminal No. 17 and body ground.

Is there battery voltage?
YES - Go to step 7.

NO - Check for a blown No. 6 (7.5 A) fuse in the passenger's under-dash fuse/relay box. If the fuse is OK, repair open or short in the wire between cable reel 20P connector terminal No. 10 and the passenger's under-dash fuse relay box.






7. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

8. Remove the gauge control module. Service and Repair

9. Check for continuity between cable reel 20P connector terminal No. 4 and gauge control module 32P connector terminal A2.

Is there continuity?
YES - Check the illumination control circuit in the gauge control module self-diagnostic function. Reading and Clearing Diagnostic Trouble Codes

NO - Repair open in the wire between cable reel 20P connector terminal No. 4 and gauge control module.






10. Disconnect the paddle shifter - (downshift switch) connector.

11. Check for continuity between paddle shifter - (downshift switch) connector terminals No. 1 and No. 2.

Is there continuity?
YES - Replace the cable reel subharness. Steering Wheel Disassembly/Reassembly

NO - Replace the paddle shifter - (downshift switch). Paddle Shifter + (Upshift Switch) or Paddle Shifter - (Downshift Switch) Replacement