Inspection Procedure

1. Check for LIN communication system DTCs related to the power window control system.

   OK: LIN communication system DTCs are not output. 

NG: GO TO LIN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

OK: Go to next step 

1. Check if DTC B2312 is output (See DTC CHECK / CLEAR  ).

   OK: DTC B2312 is not output. 

NG: GO TO DTC (B2312)  (See DTC B2312 POWER WINDOW SWITCH MALFUNCTION  )

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. According to the display on the Techstream, read the Data List.

   Main Body 

   MAIN BODY REFERENCE CHART
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Door Key SW-Lock	Door key linked lock switch signal / ON or OFF	ON: Driver side door key cylinder turned to lock position OFF: Driver side door key cylinder not turned	-
   D Door Key SW-UL	Door key linked unlock switch signal / ON or OFF	ON: Driver side door key cylinder turned to unlock position OFF: Driver side door key cylinder not turned	-

   OK: On the Techstream screen, each item changes between ON and OFF according to above chart. 

NG: GO TO POWER DOOR LOCK CONTROL SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

OK: Go to next step 

1. Check that the manual UP/DOWN function using the power window regulator switch can operate the front door power window LH and RH (See OPERATION CHECK  ).

NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )

OK: REPLACE MAIN BODY ECU