Cannot Select ON Mode With Keyless Access And With The Keyless Remote Touching The Power Switch (USA Model) (2015 2017)

-1. Do this procedure 10 times: Turn the vehicle to the ON mode.

Does the system change to ON mode?

YES 

Intermittent failure, the system is OK at this time. Check for loose or poor connection.

NO 

Go to step 2.

-1. Touch the power switch with the remote. The buttons on the remote should be facing you.

- 2. Turn the vehicle to the ON mode.

Does the system change to ON mode?

YES 

Go to the keyless access system symptom troubleshooting "Cannot select ON mode with keyless access, but can select ON mode with the keyless remote touching the power switch" - Refer to: Cannot select ON mode with keyless access, but can select ON mode with the keyless remote touching the power switch, 

NO 

Go to step 3.

-1. Select KEYLESS ACCESS CONTROL UNIT from the ONE-PUSH START system select menu with the HDS, and enter SELF CHECK.

One-Push - KEYLESS ACCESS CONTROL UNIT- SELF CHECK

Does the system communicate with the HDS?

YES 

Go to step 4.

NO 

Go to step 10.

-1. Reboot the HDS.

- 2. Select model on the HDS screen.

- 3. When prompted by the HDS, select YES when asked if the vehicle has keyless access system, then press and hold the power switch for at least 2 minutes. This selects the forced ON mode.

Does the system change to forced ON mode?

YES 

Go to step 5.

NO 

Go to step 15.

-1. Check for PCU DTCs with the HDS.

Are any DTCs indicated?

YES 

Troubleshoot the PCU DTCs.

NO 

Go to step 6.

-1. Check for KEYLESS ACCESS CONTROL UNIT DTCs with the HDS.

Are any DTCs indicated?

YES 

Troubleshoot the KEYLESS ACCESS CONTROL UNIT DTCs.

NO 

Go to step 7.

-1. Check for BACKUP CONTROL UNIT DTCs with the HDS.

Are any DTCs indicated?

YES 

Troubleshoot the BACKUP CONTROL UNIT DTCs.

NO 

Go to step 8.

-1. Select KEYLESS TRANSMITTER from the BODY ELECTRICAL system select menu with the HDS, then select INSPECTION, then KEYLESS CHECK.

- 2. Do the KEYLESS CHECK with the HDS using the all remotes.

Is KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED indicated?

YES 

Go to step 9.

NO 

Do the keyless access remote registration , and recheck.

-1. Turn the vehicle to the OFF (LOCK) mode.

- 2. Remove all the remotes from inside the vehicle. Place the remotes more than 5.0 ft (1.5 m) away from the vehicle.

- 3. Reboot the HDS without pressing the power switch.

- 4. Do the registration of keyless access control unit according to the instructions on the HDS screen.

- 5. Select REGISTRATION from the ONE-PUSH START system select menu with the HDS, then select REPLACE KEYLESS ACCESS CONTROL UNIT.

Replace Keyless Access Control Unit

Take the remote into the vehicle, and clear the PCU DTCs with the HDS.

- 7. Do this procedure 10 times: Turn the vehicle to the ON mode.

Does the system change to ON mode?

YES 

Intermittent failure, the system is OK at this time. Check for loose or poor connection.

NO 

Replace the keyless access control unit .

-1. Do the DLC circuit troubleshooting.

Is L-line OK?

YES 

Go to step 11.

NO 

Repair an L-line wire circuit.

-1. Do the power switch test.

Is the power switch OK?

YES 

Go to step 12.

NO 

Replace the power switch .

-1. Disconnect the following connectors.

- 2. Check for continuity between test points 1 and 2 respectively.

Courtesy of HONDA, U.S.A., INC.

Is there continuity?

YES 

The SS1 (+) and SS2 (-) wires are OK. Go to step 13.

NO 

Repair an open or high resistance in the wire.

-1. Measure the voltage between test points 1 and 2.

Courtesy of HONDA, U.S.A., INC.

Is there battery voltage?

YES 

The +B SMART wire is OK. Go to step 14.

NO 

Repair an open or high resistance in the wire. If wire is OK, check the under-dash sub fuse box No. C4 (10 A) circuits.

-1. Check for continuity between test points 1 and 2.

Courtesy of HONDA, U.S.A., INC.

Is there continuity?

YES 

Replace the keyless access control unit .

NO 

Repair an open or high resistance in the ground wire or poor ground (G501).

-1. Check for PCU DTCs with the HDS.

Are any DTCs indicated?

YES 

Troubleshoot the PCU DTCs.

NO 

Go to step 16.

-1. Turn the vehicle to the OFF (LOCK) mode.

- 2. Disconnect the following connectors.

- 3. Measure the voltage between test points 1 and 2 individually.

Courtesy of HONDA, U.S.A., INC.

Courtesy of HONDA, U.S.A., INC.

Is there battery voltage?

YES 

The +B BACK UP, and +B SMART wires are OK. Go to step 17.

NO 

Repair an open or high resistance in the wires.

-1. Check for continuity between test points 1 and 2 individually.

Courtesy of HONDA, U.S.A., INC.

Courtesy of HONDA, U.S.A., INC.

Is there continuity?

YES 

Replace the original keyless access control unit .

NO 

Repair an open or high resistance in the ground wire or poor ground (G503).