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Home >> Honda >> 2014 >> Accord Plug-In >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Keyless Entry / Power Door Locks / Security System - Service, Testing & Troubleshooting (Hybrid) >> Symptom Troubleshooting >> Keyless Access System Symptom Troubleshooting Index (2015 2017)

Keyless Access System Symptom Troubleshooting Index (2015 2017)

Symptom Diagnostic procedure Also check for
Cannot select ON mode with keyless access and with the keyless remote touching the power switch Symptom troubleshooting - Refer to: Keyless Access System Symptom Troubleshooting - Cannot select ON mode with keyless access and with the keyless remote touching the power switch (2014),  or Keyless Access System Symptom Troubleshooting - Cannot select ON mode with keyless access and with the keyless remote touching the power switch(USA model) (2015 2017) 
  • No. A2-4 (40 A), No. A2-7 (30 A), No. A3-3 (30 A) and No. A21 (10 A) fuses in the under-hood fuse/relay box
  • No. B9 (20 A) and No. B37 (7.5 A) fuses in the under-dash fuse/relay box
  • No. C4 (10 A) fuse in the under-dash sub fuse box
  • Poor connections at the keyless access control unit
  • Keyless remote
  • Keyless access control unit
  • Electric steering lock *
  • Power switch
  • Harness/connections
Cannot select ON mode with keyless access, but can select ON mode with the keyless remote touching the power switch Symptom troubleshooting - Refer to: 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, 
  • No. A2-4 (40 A), No. A2-7 (30 A), No. A3-3 (30 A) and No. A21 (10 A) fuses in the under-hood fuse/relay box
  • No. B9 (20 A) and No. B37 (7.5 A) fuses in the under-dash fuse/relay box
  • No. C4 (10 A) fuse in the under-dash sub fuse box
  • Keyless access control unit
  • LF antenna
  • Keyless remote
  • Low or weak remote battery
  • Harness/connections
Cannot select ON mode with the keyless remote touching the power switch, but can select ON mode with keyless access Check the keyless access control unit
  • Keyless access control unit is not registered
  • Keyless access control unit
  • MTR CONT line power short *
  • ESLID mismatch *
  • MTR CONT line open/short *
  • IGN TRX line open/short *
  • Not registered
  • Harness/connections
The mode changes between ACCESSORY and ON, but it does not change to OFF (LOCK)
  • Check the keyless access control unit
  • Check the park pin switch
  • Check the transmission range switch
  • Keyless access control unit
  • ATP-P line open
  • Transmission range switch
  • Park pin switch
  • P-PIN SW line open

*: Canada model

Symptom Diagnostic procedure Also check for
The mode changes between ACCESSORY and ON, but it is difficult to change to OFF (LOCK)
  • Check the keyless access control unit
  • Check the gauge control module
  • Check the park pin switch
  • Gauge control module
  • Keyless access control unit
  • PCM
  • B-CAN communication line open/short
  • F-CAN communication line open/short
  • Speed signal line open
  • Park pin switch
  • P-PIN SW line open
Power switch does not work Check for DTCs. If any DTC is indicated, go to the indicated DTC troubleshooting
  • ACC relay circuit
  • Keyless access control unit
  • Power switch
  • SS1 (+) line short
  • SS2 (-) line short
  • Harness
Keyless access indicator does not go off or does not come on Symptom troubleshooting - Refer to: Keyless Access System Symptom Troubleshooting - Keyless access indicator does not go off or does not come on, 
  • Gauge control module
  • Keyless access control unit
  • Harness/connections
Immobilizer indicator does not go off or does not come on Symptom troubleshooting - Refer to: Keyless Access System Symptom Troubleshooting - Immobilizer indicator does not go off or does not come on, 
  • Gauge control module
  • Keyless access control unit
  • PCM
  • Harness/connections
All the doors and the trunk will not lock and unlock Symptom troubleshooting - Refer to: Keyless Access System Symptom Troubleshooting - All the doors and the trunk lid will not lock and unlock, 
  • Keyless access control unit
  • LF antenna
  • Driver's door lock knob switch
  • Door outer handle touch sensor/lock switch
  • Door lock actuators
  • Remote
  • Low or weak remote battery
  • Not registered
The doors will not unlock or lock with the keyless remote, but will unlock or lock with the door outer handles Symptom troubleshooting - Refer to: 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, 
  • Keyless remote battery dead
  • Remote
  • MICU
  • Keyless access control unit
  • Harness/connections
  • B-CAN communication line
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 Symptom troubleshooting - Refer to: 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, 
  • Door outer handle touch sensor/lock switch
  • Keyless access control unit
  • Remote
  • LF antenna
  • MICU
  • Not registered
  • Harness/connections

*: Canada model