Key Unlock Warning System - Diagnosis: Pre-Check

HINT:

According to the DATA LIST displayed by the OBD II scan tool or hand-held tester, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time.

1. Connect the OBD II scan tool or hand-held tester to the DLC3.
2. Turn the ignition switch ON.
3. According to the display on tester, read the "DATA LIST".

   Standard (Body ECU): 

   DIAGNOSTIC CHART
   
   

   Item	Measurement item/ Display (Range)	Normal condition	Diagnostic note
   KEY UNLK WRN SW	Key unlock warning SW signal / ON or OFF	ON: The key is in the IG key cylinder OFF: The key is not in the IG key cylinder	-
   D DOR CTY SW	Driver's door courtesy SW signal / ON or OFF	ON: Driver's door is open OFF: Driver's door is close	-

HINT:

Performing to the ACTIVE TEST using the OBD 11 scan tool or hand-held tester allows the relay, VSV, actuator and so on without parts removal. Performing to the ACTIVE TEST as a first step of troubleshooting is one of the method to shorten the labor time.

1. Connect the OBD II scan tool or hand-held tester to the DLC3.
2. Turn the ignition switch ON.
3. According to the display on tester, perform the "ACTIVE TEST".

   Standard (Body ECU): 

   DIAGNOSTIC CHART
   
   

   Item	Test details	Diagnostic note
   KEY REMND BUZZER	[Test Details] Turns Key reminder buzzer ON / OFF [Vehicle Condition] IG SW is ON and D door is close	A Key reminder buzzer is installed in the combination meter