Security System Keyless Entry System - Testing & Troubleshooting

• Component Location Index
  • HomeLink Remote Control System Component Location Index (2019 2020 2021)
  • Immobilizer System Component Location Index (2016 2017 2018)
  • Immobilizer System Component Location Index (2019 2020 2021)
  • Keyless Access System Component Location Index
  • Keyless Access System Component Location Index (CVT)
  • Keyless/Power Door Locks/Security System Component Location Index
  • Keyless/Power Door Locks/Security System Component Location Index (CVT)
• Input Test
  • Immobilizer-Keyless Control Unit Input Test
  • Keyless Access System (Keyless Access Control Unit, Keyless Access and Electric Steering Lock) Input Test
  • Keyless/Power Door Locks/Security System (MICU) Input Test
• Test
  • Door Key Cylinder Switch Test
    • Test
  • Door Lock Actuator Test
    • Test
  • Door Lock Knob Switch Test
    • Test
  • Engine Start/Stop Switch Test (2019 2020 2021)
    • Test
  • Immobilizer System Status Log
  • Keyless Access LF Antenna Function Test
  • Keyless Access System Status Log
  • Power Door Lock Switch Test
    • Test
  • Power Relay Test (2019 2020 2021)
    • Notes
    • Test
  • Security Hood Switch Test
    • Test
  • Tailgate Release Actuator Test
    • Test
• Connector View
  • HomeLink Unit Connector for Inputs and Outputs
  • Immobilizer-Keyless Control Unit Connector for Inputs and Outputs
  • Keyless Access Control Unit Connector for Inputs and Outputs (2016 2017 2018)
  • Keyless Access Control Unit Connector for Inputs and Outputs (2019 2020 2021)
• Symptom Troubleshooting Index
  • Immobilizer System Symptom Troubleshooting Index
  • Keyless Access System Symptom Troubleshooting Index
  • Keyless/Power Door Locks/Security System Symptom Troubleshooting Index
• Symptom Troubleshooting Index For Viewer
  • All the doors and the tailgate will not lock and unlock
  • All the doors and the tailgate will not lock and unlock (2016 2017 2018 2019 2020)
  • All the doors will not lock or unlock with driver's door key cylinder or door lock switch or keyless transmitter
  • All the doors will not lock or unlock with driver's door key cylinder or door lock switch or keyless transmitter (2016 2017 2018 2019 2020)
  • Auto door unlock does not work
  • Auto door unlock does not work (2016 2017 2018 2019 2020)
  • Cannot select ON mode with keyless access and with the keyless remote touching the engine start/stop switch
  • Cannot select ON mode with keyless access and with the keyless remote touching the engine start/stop switch (2016 2017 2018 2019 2020)
  • Cannot select ON mode with keyless access, but can select ON mode with the keyless remote touching the engine start/stop switch
  • Cannot select ON mode with keyless access, but can select ON mode with the keyless remote touching the engine start/stop switch (2016 2017 2018 2019 2020)
  • Cannot select ON mode with the keyless remote touching the engine start/stop switch, but can select ON mode with keyless access
  • Cannot select ON mode with the keyless remote touching the engine start/stop switch, but can select ON mode with keyless access (2016 2017 2018 2019 2020)
  • Doors automatically relock 30 seconds after being unlocked with the keyless remote even though a door has been opened
  • Doors automatically relock 30 seconds after being unlocked with the keyless remote even though a door has been opened (2016 2017 2018 2019 2020)
  • Driver's door will not lock or unlock
  • Driver's door will not lock or unlock (2016 2017 2018 2019 2020)
  • Engine does not crank (power supply is normal)
  • Engine does not crank (power supply is normal) (2016 2017 2018 2019 2020)
  • Engine start/stop switch does not work
  • Engine start/stop switch does not work (2016 2017 2018 2019 2020)
  • Front passenger's and right rear doors will not lock or unlock
  • Front passenger's and right rear doors will not lock or unlock (2016 2017 2018 2019 2020)
  • Immobilizer indicator does not go off or does not come on
  • Immobilizer indicator does not go off or does not come on (2016 2017 2018 2019 2020)
  • Keyless access indicator does not go off or does not come on
  • Keyless access indicator does not go off or does not come on (2016 2017 2018 2019 2020)
  • Left rear door will not lock or unlock
  • Left rear door will not lock or unlock (2016 2017 2018 2019 2020)
  • Passenger doors will not unlock with the keyless remote or key cylinder switch, but will unlock with the inside door unlock switch
  • Passenger doors will not unlock with the keyless remote or key cylinder switch, but will unlock with the inside door unlock switch (2016 2017 2018 2019 2020)
  • Security alarm system will not arm
  • Security alarm system will not arm (2016 2017 2018 2019 2020)
  • 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
  • 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 (2016 2017 2018 2019 2020)
  • The doors will not unlock or lock with the keyless remote, but will unlock or lock with the door outer handles
  • The doors will not unlock or lock with the keyless remote, but will unlock or lock with the door outer handles (2016 2017 2018 2019 2020)
  • The engine starts, but stalls immediately
  • The engine starts, but stalls immediately (2016 2017 2018 2019 2020)
  • The horn does not sound and/or the headlights do not flash when the PANIC button on the remote is pressed
  • The horn does not sound and/or the headlights do not flash when the PANIC button on the remote is pressed (2016 2017 2018 2019 2020)
  • The key-in reminder does not sound
  • The key-in reminder does not sound (2016 2017 2018 2019 2020)
  • The key-in reminder sounds when in vehicle OFF (LOCK) mode door is open
  • The key-in reminder sounds when in vehicle OFF (LOCK) mode door is open (2016 2017 2018 2019 2020)
  • The mode changes between ACCESSORY mode and ON mode, but it does not change to OFF (LOCK) mode
  • The mode changes between ACCESSORY mode and ON mode, but it does not change to OFF (LOCK) mode (2016 2017 2018 2019 2020)
  • The mode changes between ACCESSORY mode and ON mode, but it is difficult to change to OFF (LOCK) mode
  • The mode changes between ACCESSORY mode and ON mode, but it is difficult to change to OFF (LOCK) mode (2016 2017 2018 2019 2020)
  • The security system sounds randomly while the doors are locked.
  • The security system sounds randomly while the doors are locked. (2016 2017 2018 2019 2020)
• Symptom Troubleshooting
  • Immobilizer System Symptom Troubleshooting
    • Engine does not start with the immobilizer key
    • Immobilizer indicator blinks
    • Immobilizer indicator does not go off
    • All the doors and the tailgate will not lock and unlock
    • Cannot select ON mode with keyless access and with the keyless remote touching the engine start/stop switch (2016 2017 2018)
    • Cannot select ON mode with keyless access and with the keyless remote touching the engine start/stop switch (With Electric Steering Lock) (2019 2020 2021)
    • Cannot select ON mode with keyless access and with the keyless remote touching the engine start/stop switch (Without Electric Steering Lock) (2019 2020 2021)
    • Cannot select ON mode with keyless access, but can select ON mode with the keyless remote touching the engine start/stop switch (2016 2017 2018)
    • Cannot select ON mode with keyless access, but can select ON mode with the keyless remote touching the engine start/stop switch (2019 2020 2021)
    • Immobilizer indicator does not go off or does not come on
    • Keyless access indicator does not go off or does not come on
    • 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
    • The doors will not unlock or lock with the keyless remote, but will unlock or lock with the door outer handles
    • The engine starts but stalls immediately
    • The key-in reminder does not sound
    • The key-in reminder sounds in vehicle OFF (LOCK) mode when door is open (2016 2017 2018)
    • The key-in reminder sounds in vehicle OFF (LOCK) mode when door is open (2019 2020 2021)
  • Keyless/Power Door Locks/Security System Symptom Troubleshooting
    • AUTO DOOR UNLOCK does not work
    • Doors automatically relock 30 seconds after being unlocked with the keyless remote even though a door has been opened
    • Security alarm system will not arm
    • The horn does not sound and/or the headlights do not flash when the PANIC button on the remote is pressed
• Troubleshooting
  • Keyless Access System Touch Sensor Circuit Troubleshooting
  • Keyless Buzzer Circuit Troubleshooting
• Repair Procedures And Tests
  • Immobilizer Key Registration
    • Procedure
  • Immobilizer System Registration
    • Procedure
  • Keyless Access System Registration
    • Procedure
• Description & Operation
  • Immobilizer System Description - Components
  • Immobilizer System Description - Control/Function
  • Immobilizer System Description - Overview (2016 2017 2018)
  • Immobilizer System Description - Overview (2019 2020 2021)
  • Immobilizer System Description - System Diagram
  • Keyless Access System Description - Components
  • Keyless Access System Description - Control/Function (2016 2017 2018)
  • Keyless Access System Description - Control/Function (2019 2020 2021)
  • Keyless Access System Description - Failsafe Function
  • Keyless Access System Description - Overview (2016 2017 2018)
  • Keyless Access System Description - Overview (2019 2020 2021)
  • Keyless Access System Description - System Diagram (2016 2017 2018)
  • Keyless Access System Description - System Diagram (2019 2020 2021)
  • Keyless/Power Door Locks/Security System Description - Components
  • Keyless/Power Door Locks/Security System Description - Control/Function (2016 2017 2018)
  • Keyless/Power Door Locks/Security System Description - Control/Function (2019 2020 2021)
  • Keyless/Power Door Locks/Security System Description - Overview (2016 2017 2018)
  • Keyless/Power Door Locks/Security System Description - Overview (2019 2020 2021)
  • Keyless/Power Door Locks/Security System Description - System Diagram (2016 2017 2018)
  • Keyless/Power Door Locks/Security System Description - System Diagram (2019 2020 2021)
• General Information
  • Immobilizer System Symptom Troubleshooting Information
    • General Check Before Troubleshooting
    • Symptom Troubleshooting Using the Immobilizer Indicator Lighting Pattern
    • Symptom Troubleshooting Using Malfunctioning Circuit Functions
    • System Check
  • Keyless Access System Symptom Troubleshooting Information
    • General Check Before Troubleshooting
    • Symptom Troubleshooting Using the Immobilizer Indicator Lighting Pattern
      • Notes
      • Normal operation:
      • Immobilizer code is not identified:
      • Immobilizer indicator does not come on:
      • Immobilizer indicator does not go off:
    • System Check and Status Log
  • Keyless/Power Door Locks/Security System Tripped Sensor Recall
• Check
  • Immobilizer System Check
  • Keyless Access System Check
• Circuit Diagram
  • HomeLink Remote Control System Circuit Diagram
  • Immobilizer System Circuit Diagram (2016 2017 2018)
  • Immobilizer System Circuit Diagram (2019 2020 2021)
  • Keyless Access System Circuit Diagram (2016 2017 2018)
  • Keyless Access System Circuit Diagram (2019 2020 2021)
  • Keyless/Power Door Locks/Security System Circuit Diagram (2016 2017 2018)
  • Keyless/Power Door Locks/Security System Circuit Diagram (2019 2020 2021)