Paddle Shifter + (Upshift 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 locations (see COMPONENT LOCATION INDEX ) and the precautions and procedures (see PRECAUTIONS AND PROCEDURES ) before doing repair or service.

Remove the steering wheel (see STEERING WHEEL REMOVAL ).
Check for continuity between cable reel subharness 20P connector terminals No. 15 and No. 12 when pressing and releasing the paddle shifter + (upshift switch).

Fig 1: Checking Continuity Between Cable Reel Subharness 20P Connector Terminals No. 15 And No. 12
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity when 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.
Disconnect the paddle shifter + (upshift switch) connector.
Check for continuity between paddle shifter + (upshift switch) connector terminals No. 3 and No. 4 when pressing and releasing the paddle shifter + (upshift switch).

Fig 2: Checking Continuity Between Paddle Shifter + (Upshift Switch) Connector Terminals No. 3 And No. 4
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity when 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 (see PADDLE SHIFTER 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 an open in the wire between cable reel 20P connector terminal No. 2 and body ground (G405) (see CONNECTOR TO FUSE/RELAY BOX INDEX ), or repair poor body ground (G405).
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 a short to body ground in wire between cable reel 20P connector terminal No. 15 and PCM connector terminal A36.

NO - Go to step 8.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
Measure the voltage between cable reel 20P connector terminals No. 2 and No. 15.

Fig 5: Measuring Voltage Between Cable Reel 20P Connector Terminals No. 2 And No. 15
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

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

NO - Go to step 10.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
Jump the SCS line with the HDS.
Disconnect PCM connector A (49P).
Connect cable reel 20P connector terminal No. 15 to body ground with a jumper wire.

Fig 6: Identifying Cable Reel 20P Connector Terminal No. 15 Connection With Body Ground Using Jumper Wire
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check for continuity between PCM connector terminal A36 and body ground.

Fig 7: Checking Continuity Between PCM Connector Terminal A36 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Check for loose or poor connections at PCM connector terminal A36. If the connection is OK, substitute a known-good PCM (see SUBSTITUTING THE ECM/PCM ) and recheck.

NO - Repair an open in the wire between PCM connector terminal A36 and the cable reel 20P connector.