Honda HR-V: Keyless Access System Symptom Troubleshooting - The Doors Will Not Unlock Or Lock With The Door Outer Handle Touch Sensor Or Lock Switch, But Will Unlock Or Lock With The Keyless Remote

1. Keyless access system check.

1. Turn the vehicle to the ON mode.

Does the system change to ON mode?

YES

Go to step 2.

NO

Go to the keyless access system symptom troubleshooting "Cannot select ON mode with keyless access and with the keyless remote touching the engine start/stop switch" - Refer to: Keyless Access System Symptom Troubleshooting - Keyless access indicator does not go off or does not come on, or Keyless Access System Symptom Troubleshooting - All the doors and the tailgate will not lock and unlock, or Keyless Access System Symptom Troubleshooting - The key-in reminder sounds in vehicle OFF (LOCK) mode when door is open, or Keyless Access System Symptom Troubleshooting - The doors will not unlock or lock with the keyless remote, but will unlock or lock with the door outer handles, or Keyless Access System Symptom Troubleshooting - The engine starts but stalls immediately, or Keyless Access System Symptom Troubleshooting - The key-in reminder does not sound, or Keyless Access System Symptom Troubleshooting - Immobilizer indicator does not go off or does not come on, or Keyless Access System Symptom Troubleshooting - Cannot select ON mode with keyless access, but can select ON mode with the keyless remote touching the engine start/stop switch, or Keyless Access System Symptom Troubleshooting - The doors will not unlock or lock with the door outer handle touch sensor or lock switch, but will unlock or lock with the keyless remote, or Keyless Access System Symptom Troubleshooting - Cannot select ON mode with keyless access and with the keyless remote touching the engine start/stop switch.

2. Keyless Access Control Unit DTC check: 1

1. Connect the HDS to the data link connector (DLC).
2. Select KEYLESS ACCESS CONTROL UNIT from the ONE-PUSH START system select menu with the HDS, then enter SELF CHECK.

One-Push - KEYLESS ACCESS CONTROL UNIT- SELF CHECK

3. Check for KEYLESS ACCESS CONTROL UNIT DTCs with the HDS.

DTC (KEYLESS ACCESS CONTROL UNIT)

Are any DTCs indicated?

YES

Go to indicated DTC troubleshooting.

NO

Go to step 3.

3. Keyless access system check 2:

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

One-Push - KEYLESS ACCESS CONTROL UNIT- HISTORY DATA

2. Select HISTORY CLEAR, and back to TEST MODE menu.
3. Touch the driver's and the front passenger's door outer handle touch sensors, then check the HISTORY DATA.

History Data

Is all the information OK?

YES

Go to step 4.

NO

Go to step 6.

4. Keyless access system check 3.

1. Push the driver's and the front passenger's door outer handle lock buttons, then check the HISTORY DATA.

History Data

Is all the information OK?

YES

Go to step 5.

NO

Go to step 8.

5. Door lock actuator operation check.

1. Turn the vehicle to the OFF (LOCK) mode, and close all doors.
2. Lock and unlock the driver's door with the driver's door lock switch, and lock and unlock the front passenger's door with the front passenger's door lock switch.

Do the door lock actuators work normally?

YES

Go to the MICU input test, and do all power, ground, and communication input tests. If the MICU input tests prove OK, replace the under-dash fuse/relay box.

NO

Check the B-CAN system DTCs. If not, check the door lock system.

6. Door outer handle power circuit check (VOUT FR DR, VOUT FR AS, GND lines).

1. Turn the vehicle to the OFF (LOCK) mode.
2. Disconnect the following connectors.

Driver's door outer handle 8P connector Front passenger's door outer handle 8P connector

3. Measure the voltage between test points 1 and 2 respectively.

Driver's door

Front passenger's door

Is there battery voltage?

YES

Go to step 7.

NO

Go to step 10.

7. Determine possible failure area (door outer handle, others).

1. Select KEYLESS ACCESS CONTROL UNIT from the ONE-PUSH START system select menu with the HDS, and enter HISTORY DATA, then enter the HISTORY CLEAR.

One-Push - KEYLESS ACCESS CONTROL UNIT- HISTORY DATA

2. Connect terminals A and B with a jumper wire.

Driver's door

Front passenger's door

3. Back to TEST MODE MENU, and recheck the HISTORY DATA.

History Data

Is all the information OK?

YES

Replace the faulty door outer handle.

NO

Go to step 14.

8. Door outer handle power circuit check (VOUT FR DR, VOUT FR AS, GND lines).

1. Turn the vehicle to the OFF (LOCK) mode.
2. Disconnect the following connectors.

Driver's door outer handle 8P connector Front passenger's door outer handle 8P connector

3. Measure the voltage between test points 1 and 2 respectively.

Driver's door

Front passenger's door

Is there battery voltage?

YES

Go to step 9.

NO

Go to step 10.

9. Determine possible failure area (door outer handle, others).

1. Select KEYLESS ACCESS CONTROL UNIT from the ONE-PUSH START system select menu with the HDS, and enter HISTORY DATA, then enter the HISTORY CLEAR.

One-Push - KEYLESS ACCESS CONTROL UNIT- HISTORY DATA

2. Connect terminals A and B with a jumper wire.

Driver's door

Front passenger's door

3. Check the HISTORY DATA with the HDS.

History Data

Is all the information OK?

YES

Replace the faulty door outer handle.

NO

Go to step 16.

10.Open wire check (GND lines).

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

Driver's door

Front passenger's door

Is there continuity?

YES

The GND wire is OK. Go to step 11.

NO

Repair an open or high resistance in the ground wire or poor ground (G401, G403).

11.Open wire check (VOUT FR DR, VOUT FR AS lines).

1. Disconnect the following connector.

Keyless access control unit connector A (32P)

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

Driver's door

Front passenger's door

Is there continuity?

YES

The VOUT FR DR and VOUT FR AS wires are not open. Go to step 12.

NO

Repair an open or high resistance in the wire.

12.Shorted wire check (VOUT FR DR, VOUT FR AS lines).

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

Driver's door

Front passenger's door

Is there continuity?

YES

Repair a short to ground in the wire.

NO

The VOUT FR DR and VOUT FR AS wires are OK. Go to step 13.

13.Open wire check (+B BACK UP line).

1. Disconnect the following connector.

Keyless access control unit connector B (36P)

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

Is there battery voltage?

YES

The +B BACK UP wire is OK. Replace the keyless access control unit.

NO

Repair an open or high resistance in the wire.

14.Open wire check (TS FR DR, TS FR AS lines):

1. Turn the vehicle to the OFF (LOCK) mode.
2. Remove the jumper wire from the front door outer handle connector.
3. Disconnect the following connector.

Keyless access control unit connector C (20P)

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

Driver's door

Front passenger's door

Is there continuity?

YES

The TS FR DR and TS FR AS wires are OK. Go to step 15.

NO

Repair an open or high resistance in the wire.

15.Open wire check (+B BACK UP line).

1. Disconnect the following connector.

Keyless access control unit connector B (36P)

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

Is there battery voltage?

YES

The +B BACK UP wire is OK. Replace the keyless access control unit.

NO

Repair an open or high resistance in the wire.

16.Open wire check (DL FR DR, DL FR AS lines).

1. Turn the vehicle to the OFF (LOCK) mode.
2. Remove the jumper wire from the front door outer handle connector.
3. Disconnect the following connector.

Keyless access control unit connector C (20P)

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

Driver's door

Front passenger's door

Is there continuity?

YES

The DL FR DR and DL FR AS wires are OK. Go to step 17.

NO

Repair an open or high resistance in the wire.

17.Open wire check (+B BACK UP line).

1. Disconnect the following connector.

Keyless access control unit connector B (36P)

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

Is there battery voltage?

YES

The +B BACK UP wire is OK. Replace the keyless access control unit.

NO

Repair an open or high resistance in the wire.

READ NEXT: