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Remote Keyless Entry Function Malfunction

NOTE:
  • Before performing the diagnosis in the following table, check "Trouble Diagnosis Procedure". Refer to "TROUBLE DIAGNOSIS PROCEDURE ".
  • Make sure that vehicle is under the condition shown in "Conditions of vehicle" before starting diagnosis, and check each symptom.
  • If the following "symptoms" are detected, check systems shown in the "Diagnosis/service procedure" column in this order.

Conditions of Vehicle (Operating Conditions)

DIAGNOSIS/SERVICE PROCEDURE

Symptom Diagnosis/service procedure Reference Information
All of the remote keyless entry functions do not operate. 1. Intelligent Key battery and function inspection. INTELLIGENT KEY BATTERY REPLACEMENT 
2. Remote Keyless Entry function check. INTELLIGENT KEY BATTERY REPLACEMENT 
3. Replace Intelligent Key unit. REMOVAL AND INSTALLATION OF INTELLIGENT KEY UNIT 
Selective unlock function does not operate by Intelligent Key remote control button. 1. Check "SELECT UNLOCK FUNCTION" setting in "WORK SUPPORT". HAZARD AND HORN REMINDER FUNCTION MALFUNCTION 
2. Intelligent Key battery inspection. INTELLIGENT KEY BATTERY REPLACEMENT 
3. Replace Intelligent Key unit. REMOVAL AND INSTALLATION OF INTELLIGENT KEY UNIT 
Auto lock function does not operate properly. 1. Check "AUTO RELOCK TIMER" setting in "WORK SUPPORT". HAZARD AND HORN REMINDER FUNCTION MALFUNCTION 
2. Key switch check. KEY SWITCH (INTELLIGENT KEY UNIT INPUT) CHECK 
3. Ignition knob switch check. IGNITION KNOB SWITCH CHECK 
4. Door switch check. DOOR SWITCH CHECK 
5. Replace Intelligent Key unit. REMOVAL AND INSTALLATION OF INTELLIGENT KEY UNIT 
Key reminder function does not operate properly. 1. Check "ANTI KEY LOCK IN FUNCTION" setting in "WORK SUPPORT". HAZARD AND HORN REMINDER FUNCTION MALFUNCTION 
2. Door switch check. DOOR SWITCH CHECK 
3. Inside key antenna check. INSIDE KEY ANTENNA CHECK 
4. Front door lock actuator LH (door unlock sensor) check. FRONT DOOR LOCK ASSEMBLY LH (DOOR UNLOCK SENSOR) CHECK 
5. Intelligent Key battery inspection. INTELLIGENT KEY BATTERY REPLACEMENT 
6. Replace Intelligent Key unit. REMOVAL AND INSTALLATION OF INTELLIGENT KEY UNIT 
Panic alarm function does not operate properly. 1. Check "PANIC ALARM DELAY" setting in "WORK SUPPORT". HAZARD AND HORN REMINDER FUNCTION MALFUNCTION 
2. Theft warning operation check. VEHICLE SECURITY (THEFT WARNING) SYSTEM 
3. Intelligent Key battery inspection. INTELLIGENT KEY BATTERY REPLACEMENT 
4. Key switch check. KEY SWITCH (INTELLIGENT KEY UNIT INPUT) CHECK 
5. Ignition knob switch check. IGNITION KNOB SWITCH CHECK 
6. Replace Intelligent Key unit. REMOVAL AND INSTALLATION OF INTELLIGENT KEY UNIT 
Trunk open function does not operate properly. 1. Check "TRUNK OPEN DELAY" setting in "WORK SUPPORT". HAZARD AND HORN REMINDER FUNCTION MALFUNCTION 
2. Trunk lid opener system check. TRUNK LID OPENER 
3. Trunk lamp switch check. TRUNK ROOM LAMP SWITCH CHECK 
4. Intelligent Key battery inspection. INTELLIGENT KEY BATTERY REPLACEMENT 
5. Replace Intelligent Key unit. REMOVAL AND INSTALLATION OF INTELLIGENT KEY UNIT