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Keyless Access System Symptom Troubleshooting - Security indicator blinks

WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.

Security indicator blinks 

  1. Keyless access system check 1

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

    -2. Do the SYSTEM CHECK 1 and 2 with the HDS.

    SYSTEM CHECK 1

    SYSTEM CHECK 2

    Are N-1 OK and N-2 OK indicated?

    YES 

    Go to step 2.

    NO 

    Troubleshoot the keyless access system according to the result of the SYSTEM CHECK 1 and 2.

  2. Keyless access system check 2

    -1. With driver's power window open and all the doors closed, turn the vehicle to the OFF (LOCK) mode.

    -2. Remove all the keyless remotes from inside the vehicle. Hold them outside the open driver's window, at least 20 cm (7.9 in) away from the vehicle.

    -3. Press the engine start/stop button. The MID should request the keyless remote to touch the engine start/stop switch. The LED on the engine start/stop switch will flash for up to 30 seconds.

    -4. Touch the engine start/stop switch with the keyless remote. The buttons on the keyless remote should be facing you. The LED on the engine start/stop switch will turn solid when detected.

    -5. Turn the vehicle to the ON mode.

    -6. Select BACKUP CONTROL UNIT from the ONE-PUSH START system select menu with the HDS, and enter SYSTEM INFORMATION.

    -7. Do the SYSTEM CHECK with the HDS.

    System Check

    Is N-1 OK indicated?

    YES 

    Go to step 3.

    NO 

    Troubleshoot the keyless access system according to the result of the SYSTEM CHECK.

  3. Gauge control module check

    -1. Select GAUGES from the BODY ELECTRICAL SYSTEM SELECT menu with the HDS.

    -2. Select FUNCTIONAL TESTS from the TEST MODE menu with the HDS, and enter SELF TEST.

    Function Test

    Does the security indicator blinking?

    YES 

    Go to the PGM-FI system troubleshooting .

    NO 

    Replace the gauge control module .