Entry Exterior Alarm and Answer-back Buzzer do not Sound [11/2024 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Customize Setting / Wireless Door Lock.

   Wireless Door Lock 

   Tester Display	Description	Default	Setting	ECU
   Wireless Buzzer Response Function	Wireless buzzer response	Enable	$00:Disable,$01:Enable	Main body ECU (multiplex network body ECU)

   Result

   Result	Proceed to
   The customize setting is "Enable"	A
   The customize setting is "Disable"	B

Result: 

B 

PERFORM CUSTOMIZE SETTING 

Refer to CUSTOMIZE PARAMETERS [11/2024 - ]

Result: 

A 

See step  2

1. Check that the function operates normally.

   Refer to OPERATION CHECK [11/2024 - ]

   Result

   Result	Proceed to
   Wireless door lock function operates normally	A
   Wireless door lock function does not operate normally	B

Result: 

B 

GO TO PROBLEM SYMPTOMS TABLE 

Refer to PROBLEM SYMPTOMS TABLE [02/2019 - ]

Result: 

A 

See step  3

1. Enter the following menus: Body Electrical / Main Body / Data List.
2. Read the Data List according to the display on the Techstream.

   Body Electrical > Main Body > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   FR Door Lock Position Switch Status	Front door RH unlock detection switch signal	Lock or Unlock	Lock: Front door RH locked Unlock: Front door RH unlocked	-
   FL Door Lock Position Switch Status	Front door LH unlock detection switch signal	Lock or Unlock	Lock: Front door LH locked Unlock: Front door LH unlocked	-
   RR Door Lock Position Switch Status	Rear door RH unlock detection switch signal	Lock or Unlock	Lock: Rear door RH locked Unlock: Rear door RH unlocked	-
   RL Door Lock Position Switch Status	Rear door LH unlock detection switch signal	Lock or Unlock	Lock: Rear door LH locked Unlock: Rear door LH unlocked	-

   Body Electrical > Main Body > Data List 

   Tester Display
   FR Door Lock Position Switch Status
   FL Door Lock Position Switch Status
   RR Door Lock Position Switch Status
   RL Door Lock Position Switch Status

   OK

   The Techstream display changes correctly in response to the lock/unlock operation.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO LIGHTING SYSTEM (Proceed to Door Unlock Detection Switch Circuit) 

Refer to Door Unlock Detection Switch Circuit [11/2024 - ]

Result: 

OK 

See step  4

1. Enter the following menus: Body Electrical / Main Body / Active Test.
2. Perform Active Test according to the display on the Techstream.

   Body Electrical > Main Body > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Wireless Buzzer	Wireless door lock buzzer	OFF/ON	-

   Body Electrical > Main Body > Active Test 

   Tester Display
   Wireless Buzzer

   Result

   Result	Proceed to
   Wireless door lock buzzer does not sound	A
   Wireless door lock buzzer sounds	B

Result: 

A 

GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (NO ANSWER-BACK) 

Refer to No Answer-Back [11/2024 - ]

Result: 

B 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

Refer to REMOVAL [10/2023 - ]