Entry Exterior Alarm and Answer-back Buzzer do not Sound [08/2019 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine 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 Resp	Wireless buzzer response	ON	0:OFF, 1:ON	Main body ECU (multiplex network body ECU)

   Result

   Result	Proceed to
   The customize setting is "ON"	A
   The customize setting is "OFF"	B

Result: 

B 

PERFORM CUSTOMIZE SETTING. Refer to  CUSTOMIZE PARAMETERS [08/2019 - ] 

Result: 

A 

See step  2

1. Check that the function operates normally.

   Refer to OPERATION CHECK [08/2019 - ]

   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 [08/2019 - ] 

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.
   MAIN BODY
   
   

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   FR Door Lock Pos	Front door RH unlock detection switch signal	UNLOCK or LOCK	UNLOCK: Front door RH unlocked LOCK: Front door RH locked	-
   FL Door Lock Pos	Front door LH unlock detection switch signal	UNLOCK or LOCK	UNLOCK: Front door LH unlocked LOCK: Front door LH locked	-
   RR-Door Lock Pos SW	Rear door RH unlock detection switch signal	OFF or ON	OFF: Rear door RH locked ON: Rear door RH unlocked	-
   RR-Door Lock Pos SW	Rear door LH unlock detection switch signal	OFF or ON	OFF: Rear door LH locked ON: Rear door LH unlocked	-

   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 [08/2019 - ] 

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.
   MAIN BODY
   
   

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

   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 [08/2019 - ] 

Result: 

B 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [08/2019 - 08/2021]  , or refer to  REMOVAL [08/2021 - ]