Paddle Shifter - (Downshift Switch) Circuit Troubleshooting

WARNING: This page is about a different variant/trim than selected.

SRS components are located in this area. Review the SRS COMPONENT LOCATION INDEX and PRECAUTIONS AND PROCEDURES before doing repairs or service.

Remove the steering wheel (see STEERING WHEEL REMOVAL ).
Check for continuity between steering switch harness 20P connector terminals No. 12 and No. 15 while pressing the paddle shifter - (downshift switch) and when the paddle shifter - is released.

Fig 1: Checking Continuity Between Steering Switch Harness 20P Connector Terminals No. 12 And No. 15
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity while pressing the paddle shifter - and no continuity when the paddle shifter - is released?

YES -Go to step 5.

NO -Go to step 3.
Disconnect the paddle shifter - (downshift switch) connector.
Check for continuity between paddle shifter - (downshift switch) connector terminals No. 1 and No. 2 while pressing the paddle shifter - and when the paddle shifter - is released.

Fig 2: Checking Continuity Between Paddle Shifter - (Downshift Switch) Connector Terminals No. 1 And No. 2
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity while pressing the paddle shifter - and no continuity when the paddle shifter - is released?

YES -Replace the steering switch harness.

NO -Replace the paddle shifter - (see PADDLE SHIFTER + (UPSHIFT SWITCH) REPLACEMENT ).
Remove the cable reel (see CABLE REEL REPLACEMENT ).
Check for continuity between cable reel 20P connector terminal No. 2 and body ground.

Fig 3: Checking Continuity Between Cable Reel 20P Connector Terminal No. 2 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 7.

NO -Repair open in the wire between cable reel 20P connector terminal No. 2 and body ground (G501), or repair poor body ground (G501).
Jump the SCS line with the HDS.
Disconnect PCM connector A (49P).
Check for continuity between cable reel 20P connector terminal No. 15 and body ground.

Fig 4: Checking Continuity Between Cable Reel 20P Connector Terminal No. 15 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair short in the wire between cable reel 20P connector terminal No. 15 and PCM connector terminal A48.

NO -Go to step 10.
Check for continuity between PCM connector terminal A48 and cable reel 20P connector terminal No. 15.

Fig 5: Checking Continuity Between PCM Connector Terminal A48 And Cable Reel 20P Connector Terminal No. 15
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Replace the cable reel (see CABLE REEL REPLACEMENT ).

NO -Repair open in the wire between PCM connector terminal A48 and the cable reel 20P connector.