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Basic Diagnostic Procedure

Step Check Yes No
1 INITIAL CHECK. 
Check keyless entry system.
Does the keyless entry system operate normally? Go to step 2.  Check keyless entry system. Refer to , INSPECTION , Keyless Entry System.
2 CHECK SECURITY ON/OFF SETTING. 
  1. Press the LOCK button of the keyless transmitter or transmitter.
  2. Check the security indicator light blinking patterns.
Is the security indicator light blinking patterns as follows? / When monitor delay set to 0 second: Blinks twice in 0.5 seconds at 2 seconds intervals / When monitor delay set to 30 seconds: Repeat blinking once in 0.4 seconds at 30 seconds intervals Go to step 5.  Go to step .
3 CHANGE SETTING OF SECURITY SYSTEM. 
Change the setting of security system to ON. Refer to , SECURITY SYSTEM ON/OFF SETTING , INSPECTION, Security System.
Is setting change completed correctly? Go to step 4. 
4 CHECK SETTING CHANGE OF SECURITY SYSTEM. 
  1. Remove the key from ignition switch, and then close all doors.
  2. Press the LOCK button of the keyless transmitter or transmitter.
  3. Check the security indicator light blinking patterns.
Is the security indicator light blinking patterns as follows? / When monitor delay set to 0 second: Blinks twice in 0.5 seconds at 2 seconds intervals / When monitor delay set to 30 seconds: Repeat blinking once in 0.4 seconds at 30 seconds intervals Go to step 5.  Check the security indicator light. Refer to , CHECK SECURITY INDICATOR LIGHT CIRCUIT , INSPECTION, Security System.
5 CHECK SECURITY SYSTEM OPERATION. 
Press the LOCK button on the keyless transmitter or transmitter, then wait for 30 seconds.
Does the security indicator light blink twice within 0.5 seconds in 2 second cycles? Go to step 6.  Replace the body integrated unit. Refer to , BODY INTEGRATED UNIT .
6 CHECK SECURITY ALARM OPERATION. 
  1. Unlock all doors using the door lock switch on driver's door.
  2. Open any door, trunk or rear gate.
Does the security alarm operate when opening any door, trunk or rear gate? Go to step 7.  Check the door switch, trunk lid switch or rear gate latch switch. Refer to , CHECK DOOR SWITCH , INSPECTION, Keyless Entry System.
7 CHECK SECURITY ALARM OPERATION. 
Check the security alarm operation.
Do all security alarms operate? / Horn sound / Hazard lights flash / Security indicator light illuminates Go to step 8. 
8 CHECK SECURITY ALARM CANCEL OPERATION. 
Press any button of transmitter while the security alarm is operating. Or turn the ignition switch to ON.
Do all security alarms stop? / Horn / Hazard lights Go to step 9.  Check the ignition switch circuit. Refer to , CHECK IGNITION SWITCH CIRCUIT , INSPECTION, Security System.
9 CHECK SECURITY SYSTEM CONDITION MEMORY. 
Check that the system functions properly even when the battery is not connected temporarily. Refer to , CHECK SECURITY SYSTEM CONDITION MEMORY , INSPECTION, Security System.
Does the system function properly when the battery is not connected temporarily? Go to step 10.  Replace the body integrated unit. Refer to , BODY INTEGRATED UNIT .
10 CHECK IMPACT SENSOR (DEALER OPTION). 
Check the sensibility of impact sensor. Refer to , CHECK IMPACT SENSOR , ADJUSTMENT, Impact Sensor.
Is the sensibility set properly? Press the UNLOCK button on the keyless transmitter or transmitter to finish the diagnosis. Adjust the sensitivity. Refer to , IMPACT SENSITIVITY ADJUSTMENT , ADJUSTMENT, Impact Sensor.
NOTE: Check the function settings of the body integrated unit if any of the following symptoms appear. Refer to USER CUSTOMIZING .
  • The horn does not sound even when the security alarm is triggered and operating. A possible cause for this is that the << Security Alarm Setup >> has been set to ON by the customization function.
  • The horn sounds when setting the security to ON (Monitoring condition) using the keyless transmitter. As a cause, it is possible that the impact sensor present (ON) / not present (OFF) setting is set to ON in the customization function though there is no impact sensor.