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Home >> Honda >> 2021 >> CR-V EX-L, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 50 (Security System / Keyless Entry System - Testing & Troubleshooting (Hybrid)) >> Symptom Troubleshooting >> Keyless Access System Symptom Troubleshooting - The doors will not unlock or lock with the door outer handle touch sensors, but will unlock or lock with the keyless remote

Keyless Access System Symptom Troubleshooting - The doors will not unlock or lock with the door outer handle touch sensors, but will unlock or lock with the keyless remote

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

NOTE:  Before troubleshooting, make sure the BACK UP fuse in the under-hood fuse/relay box is OK.

  1. Keyless access system check 1

    -1. Turn the vehicle to the ON mode.

    Does the system change to ON mode?

    YES 

    Go to step 2.

    NO 

    Go to keyless access system symptom troubleshooting "Cannot select ON mode with keyless access and with the keyless remote touching the power switch" .

  2. Keyless access DTC check

    -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

    Check for keyless access control unit DTCs with the HDS.

    DTC Description DTC
       

    Are any DTCs indicated?

    YES 

    Troubleshoot the keyless access control unit DTCs.

    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/Clear

    Select HISTORY CLEAR, and back to TEST MODE menu.

    -3. Touch the each door outer handle touch sensors, then check the HISTORY DATA.

    History Data 

    DRIVER DOOR UNLOCK SWITCH (OUTER HANDLE TOUCH SENSOR) OK
    FRONT PASSENGER DOOR UNLOCK SWITCH (OUTER HANDLE TOUCH SENSOR) OK

    Is all the information OK?

    YES 

    Go to step 4.

    NO 

    Go to step 6.

  4. Keyless access system check 3

    -1. Touch the each door outer handle lock sensors, then check the HISTORY DATA.

    One-Push - KEYLESS ACCESS CONTROL UNIT - History data/Clear

    History Data 

    DRIVER DOOR LOCK SWITCH (OUTER HANDLE TOUCH SENSOR) OK
    FRONT PASSENGER DOOR LOCK SWITCH (OUTER HANDLE TOUCH SENSOR) OK

    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 doors with the driver's door touch sensors, and lock and unlock the doors with the front passenger's door touch sensors.

    Do the door lock actuators work normally?

    YES 

    Do the input test for the body control module , and do all power, ground, and communication input tests. If the body control module input tests prove OK, replace the body control module .

    NO 

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

  6. Door outer handle power circuit check

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

    -2. Disconnect the following connectors.

    Each door outer handle 8P connector

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

    Driver's door 

    Test condition Vehicle OFF (LOCK) mode
    Driver's door outer handle 8P connector: disconnected
    Test point 1 Driver's door outer handle 8P connector (female terminals) No. 4:
    Test point 2 Driver's door outer handle 8P connector (female terminals) No. 8:
    GHH380848Courtesy of HONDA, U.S.A., INC.

    Front passenger's door 

    Test condition Vehicle OFF (LOCK) mode
    Front passenger's door outer handle 8P connector: disconnected
    Test point 1 Front passenger's door outer handle 8P connector (female terminals) No. 4:
    Test point 2 Front passenger's door outer handle 8P connector (female terminals) No. 8:
    GHH380851Courtesy of HONDA, U.S.A., INC.

    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/Clear

    Connect terminals A and B with a jumper wire.

    Driver's door 

    Terminals A Driver's door outer handle 8P connector (female terminals) No. 7:
    Terminals B Body ground
    GHH380853Courtesy of HONDA, U.S.A., INC.

    Front passenger's door 

    Terminals A Front passenger's door outer handle 8P connector (female terminals) No. 7:
    Terminals B Body ground
    GHH380855Courtesy of HONDA, U.S.A., INC.

    -3. Go back to TEST MODE menu, and recheck the HISTORY DATA.

    History Data 

    DRIVER DOOR LOCK SWITCH (OUTER HANDLE TOUCH SENSOR) OK
    FRONT PASSENGER DOOR LOCK SWITCH (OUTER HANDLE TOUCH SENSOR) OK

    Is all the information OK?

    YES 

    Replace the faulty door outer handle .

    NO 

    Go to step 14.

  8. Door outer handle power circuit check

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

    -2. Disconnect the following connectors.

    Each door outer handle 8P connector

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

    Driver's door 

    Test condition Vehicle OFF (LOCK) mode
    Driver's door outer handle 8P connector: disconnected
    Test point 1 Driver's door outer handle 8P connector (female terminals) No. 4:
    Test point 2 Driver's door outer handle 8P connector (female terminals) No. 8:
    GHH380858Courtesy of HONDA, U.S.A., INC.

    Front passenger's door 

    Test condition Vehicle OFF (LOCK) mode
    Front passenger's door outer handle 8P connector: disconnected
    Test point 1 Front passenger's door outer handle 8P connector (female terminals) No. 4:
    Test point 2 Front passenger's door outer handle 8P connector (female terminals) No. 8:
    GHH380861Courtesy of HONDA, U.S.A., INC.

    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/Clear

    Connect terminals A and B with a jumper wire.

    Driver's door 

    Terminals A Driver's door outer handle 8P connector (female terminals) No. 7:
    Terminals B Body ground
    GHH380863Courtesy of HONDA, U.S.A., INC.

    Front passenger's door 

    Terminals A Front passenger's door outer handle 8P connector (female terminals) No. 7:
    Terminals B Body ground
    GHH380865Courtesy of HONDA, U.S.A., INC.

    -3. Check the HISTORY DATA with the HDS.

    History Data 

    DRIVER DOOR LOCK SWITCH (OUTER HANDLE TOUCH SENSOR) OK
    FRONT PASSENGER DOOR LOCK SWITCH (OUTER HANDLE TOUCH SENSOR) OK

    Is all the information OK?

    YES 

    Replace the faulty door outer handle .

    NO 

    Go to step 16.

  10. Open wire check (GND line)

    -1. Measure the resistance between test points 1 and 2 individually.

    Driver's door 

    Test condition Vehicle OFF (LOCK) mode
    Driver's door outer handle 8P connector: disconnected
    Test point 1 Driver's door outer handle 8P connector (female terminals) No. 8:
    Test point 2 Body ground
    GHH380867Courtesy of HONDA, U.S.A., INC.

    Front passenger's door 

    Test condition Vehicle OFF (LOCK) mode
    Front passenger's door outer handle 8P connector: disconnected
    Test point 1 Front passenger's door outer handle 8P connector (female terminals) No. 8:
    Test point 2 Body ground
    GHH380869Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    YES 

    The GND wires are OK. Go to step 11.

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G401, G402).

  11. Open wire check (VOUT_FR_DR, VOUT_FR_AS lines)

    -1. Disconnect the following connector.

    Body control module connector G (32P)

    -2. Measure the resistance between test points 1 and 2 respectively.

    Driver's door 

    Test condition Vehicle OFF (LOCK) mode
    Driver's door outer handle 8P connector: disconnected
    Body control module connector G (32P): disconnected
    Test point 1 Body control module connector G (32P) No. 31
    Test point 2 Driver's door outer handle 8P connector (female terminals) No. 4:
    GHH380871Courtesy of HONDA, U.S.A., INC.

    Front passenger's door 

    Test condition Vehicle OFF (LOCK) mode
    Front passenger's door outer handle 8P connector: disconnected
    Body control module connector G (32P): disconnected
    Test point 1 Body control module connector G (32P) No. 30
    Test point 2 Front passenger's door outer handle 8P connector (female terminals) No. 4:
    GHH380873Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    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. Measure the resistance between test points 1 and 2 individually.

    Driver's door 

    Test condition Vehicle OFF (LOCK) mode
    Driver's door outer handle 8P connector: disconnected
    Body control module connector G (32P): disconnected
    Test point 1 Driver's door outer handle 8P connector (female terminals) No. 4:
    Test point 2 Body ground
    GHH380875Courtesy of HONDA, U.S.A., INC.

    Front passenger's door 

    Test condition Vehicle OFF (LOCK) mode
    Front passenger's door outer handle 8P connector: disconnected
    Body control module connector G (32P): disconnected
    Test point 1 Front passenger's door outer handle 8P connector (female terminals) No. 4:
    Test point 2 Body ground
    GHH380877Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 MΩ or more?

    YES 

    The VOUT_FR_DR and VOUT_FR_AS wires are OK. Go to step 13.

    NO 

    Repair a short to ground in the wire.

  13. Open wire check (+B_BACK_UP line)

    -1. Disconnect the following connector.

    Body control module connector C (28P)

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

    Test condition Vehicle OFF (LOCK) mode
    Each door outer handle 8P connectors: disconnected
    Body control module connector C (28P): disconnected
    Body control module connector G (32P): disconnected
    Test point 1 Body control module connector C (28P) No. 27
    Test point 2 Body ground

    Is there battery voltage?

    YES 

    The +B_BACK_UP wire is OK. Replace the body control module .

    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. Disconnect the following connector.

    Body control module connector G (32P)

    -3. Measure the resistance between test points 1 and 2 respectively.

    Driver's door 

    Test condition Vehicle OFF (LOCK) mode
    Driver's door outer handle 8P connector: disconnected
    Driver's door outer handle 8P connector: jumped to body ground
    Body control module connector G (32P): disconnected
    Test point 1 Body control module connector G (32P) No. 22
    Test point 2 Driver's door outer handle 8P connector (female terminals) No. 3:
    GHH380879Courtesy of HONDA, U.S.A., INC.

    Front passenger's door 

    Test condition Vehicle OFF (LOCK) mode
    Front passenger's door outer handle 8P connector: disconnected
    Front passenger's door outer handle 8P connector: jumped to body ground
    Body control module connector G (32P): disconnected
    Test point 1 Body control module connector G (32P) No. 25
    Test point 2 Front passenger's door outer handle 8P connector (female terminals) No. 3:
    GHH380881Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    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.

    Body control module connector C (28P)

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

    Test condition Vehicle OFF (LOCK) mode
    Each door outer handle 8P connectors: disconnected
    Each door outer handle 8P connectors: jumped to body ground
    Body control module connector C (28P): disconnected
    Body control module connector G (32P): disconnected
    Test point 1 Body control module connector C (28P) No. 27
    Test point 2 Body ground

    Is there battery voltage?

    YES 

    The +B_BACK_UP wire is OK. Replace the body control module .

    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 wires from the door outer handle connectors.

    -3. Disconnect the following connector.

    Body control module connector G (32P)

    -4. Measure the resistance between test points 1 and 2 respectively.

    Driver's door 

    Test condition Vehicle OFF (LOCK) mode
    Driver's door outer handle 8P connector: disconnected
    Body control module connector G (32P): disconnected
    Test point 1 Body control module connector G (32P) No. 19
    Test point 2 Driver's door outer handle 8P connector (female terminals) No. 7:
    GHH380883Courtesy of HONDA, U.S.A., INC.

    Front passenger's door 

    Test condition Vehicle OFF (LOCK) mode
    Front passenger's door outer handle 8P connector: disconnected
    Body control module connector G (32P): disconnected
    Test point 1 Body control module connector G (32P) No. 1
    Test point 2 Front passenger's door outer handle 8P connector (female terminals) No. 7:
    GHH380885Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    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.

    Body control module connector C (28P)

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

    Test condition Vehicle OFF (LOCK) mode
    Each door outer handle 8P connectors: disconnected
    Body control module connector C (28P): disconnected
    Body control module connector G (32P): disconnected
    Test point 1 Body control module connector C (28P) No. 27
    Test point 2 Body ground

    Is there battery voltage?

    YES 

    The +B_BACK_UP wire is OK. Replace the body control module .

    NO 

    Repair an open or high resistance in the wire.