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Check Keyless Buzzer

KEYLESS BUZZER DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK KEYLESS BUZZER OPERATION. 
Check that the keyless buzzer sounds when LOCK or OPEN button of keyless remote control key is pressed.		 Does the keyless buzzer sound? Keyless buzzer is normal. Go to step 2.
2 CHECK KEYLESS BUZZER ON/OFF SWITCH. 
NOTE: If operations 1-5 are performed with the keyless buzzer OFF, the keyless buzzer will turn ON.
  1. Close the driver's side door and remove the key from the ignition key cylinder.
  2. Push the door lock switch to the UNLOCK side, and insert the key into the ignition key cylinder.
  3. From 2, pull out <=> insert the key from the ignition key cylinder 5 times.
  4. From 3, open → close the driver's side door within 10 seconds.
  5. The keyless buzzer sound ON/OFF will switch, and the hazard lamp will blink 3 times. If the driver's side door is not opened → closed within 10 seconds in step 4, the hazard lamp will blink once and the setting will not be changed.)
  6. Check that the keyless buzzer sounds when LOCK or OPEN button of keyless remote control key is pressed.
 Does the keyless buzzer sound? Keyless buzzer is normal. Go to step 3.
3 CHECK FOR POWER SUPPLY OF KEYLESS BUZZER. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the keyless buzzer harness connector.
  3. Press the LOCK/UNLOCK button of the keyless transmitter.
  4. Measure the voltage between harness connector terminal and chassis ground.

    Connector & terminal 

    (F102) No. 1 (+) - Chassis ground (-): 

 Is the voltage more than 10 V? Go to step 4. Check the harness for open circuits and shorts between the keyless buzzer and fuse.
4 CHECK FOR GROUND CIRCUIT OF KEYLESS BUZZER. 
  1. Disconnect the harness connector of body integrated unit.
  2. Measure the resistance between harness connector terminals.

    Connector & terminal 

    (i84) No. 6 - (F102) No. 1: 

 Is the resistance less than 10 Ω? Go to step 5. Repair the harness.
5 CHECK KEYLESS BUZZER. 
  1. Remove the keyless buzzer.
  2. Install the keyless buzzer to another vehicle which operates keyless buzzer normally, check the buzzer sounds.
 Does the keyless buzzer sound? Check the body integrated unit or door lock switch. < Ref. to BASIC DIAGNOSTIC PROCEDURE . > < Ref. to POWER WINDOW CONTROL SWITCH . > Replace the keyless buzzer.
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