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Security System / Keyless Entry System - Testing & Troubleshooting Expand All (for easy ctrl-f) Collapse All Description Check Registration Log Testing Circuit Diagram General Information Symptom Troubleshooting All the doors and the tailgate will not lock and unlock All the doors will not lock or unlock with driver's door key cylinder or door lock switch or keyless transmitter. Auto door unlock does not work. 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, but can select ON mode with the keyless remote touching the engine start/stop switch Cannot select ON mode with the keyless remote touching the engine start/stop switch, but can select ON mode with keyless access Doors automatically relock 30 seconds after being unlocked with the keyless remote even though a door has been opened. Driver's door will not lock or unlock. Engine does not crank (power supply is normal) Engine start/stop switch does not work Front passenger's and right rear doors will not lock or unlock. Immobilizer System Symptom Troubleshooting - Engine does not start with the immobilizer key Immobilizer System Symptom Troubleshooting - Immobilizer indicator blinks Immobilizer System Symptom Troubleshooting - Immobilizer indicator does not go off Immobilizer indicator does not go off or does not come on Keyless Access System Symptom Troubleshooting - All the doors and the tailgate will not lock and unlock Keyless Access System Symptom Troubleshooting - Cannot select ON mode with keyless access and with the keyless remote touching the engine start/stop switch 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 Keyless Access System Symptom Troubleshooting - Immobilizer indicator does not go off or does not come on Keyless Access System Symptom Troubleshooting - Keyless access indicator does not go off or does not come on Keyless Access System Symptom Troubleshooting - The doors will not unlock (lock is normal) with keyless access or with the keyless remote buttons, or the doors will not lock (unlock is normal) with keyless access or with the keyless remote buttons 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 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 Access System Symptom Troubleshooting - The engine starts but stalls immediately Keyless Access System Symptom Troubleshooting - The key-in reminder does not sound Keyless Access System Symptom Troubleshooting - The key-in reminder sounds in vehicle OFF mode when door is open Keyless access indicator does not go off or does not come on Keyless/Power Door Locks/Security System Symptom Troubleshooting - AUTO DOOR UNLOCK does not work Keyless/Power Door Locks/Security System Symptom Troubleshooting - Doors automatically relock 30 seconds after being unlocked with the keyless remote even though a door has been opened Keyless/Power Door Locks/Security System Symptom Troubleshooting - Doors will not unlock (or lock) with the transmitter, but will unlock (or lock) with the door lock switch and the door key cylinder switch Keyless/Power Door Locks/Security System Symptom Troubleshooting - Keyless operation does not work (LOCK, UNLOCK) Keyless/Power Door Locks/Security System Symptom Troubleshooting - Security alarm system will not arm Keyless/Power Door Locks/Security System Symptom Troubleshooting - The horn does not sound and/or the headlights do not flash when the PANIC button on the remote is pressed Left rear door will not lock or unlock. Passenger doors will not unlock with the keyless remote or key cylinder switch, but will unlock with the inside door unlock switch. Security alarm system will not arm. The doors will not unlock (lock is normal) with keyless access or with the keyless remote buttons, or the doors will not lock (unlock is normal) with keyless access or with the keyless remote buttons 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 horn does not sound and/or the headlights do not flash when the PANIC button on the remote is pressed The key-in reminder does not sound The key-in reminder sounds when in vehicle OFF mode door is open 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 is difficult to change to OFF (LOCK) mode The security system sounds randomly while the doors are locked. Symptom Troubleshooting Index Circuit Troubleshooting Component Location Index