Key Reminder Warning System - Diagnostics: Pre-Check

1. Connect hand-held tester to the DLC3.
2. Monitor the ECU data by following the prompts on the tester screen.

   HINT:

   The hand-held tester has a "Snapshot" function which records the monitored data. Refer to the hand-held tester operator's manual for further details.

HINT:

According to the DATA LIST displayed by the hand-held tester, you can read the value of the switch, sensor, actuator and, etc. without parts removal. Reading the DATA LIST as the first step of troubleshooting is one way to shorten labor time.

1. Connect the 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): 

   DATA LIST
   
   

   Item	Measurement Item/Display (Range)	Normal Condition	Diagnostic Note
   KEY UNLK WRN SW	Key unlock warning SW signal/ ON or OFF	ON: Key is in IG key cylinder OFF: No key is in IG key cylinder	-
   D DOOR CTY SW	Driver's door courtesy SW signal/ ON or OFF	ON: Driver's door is open OFF: Driver's door is closed	-