Driver Door Control System - Diagnostics: Pre-Check

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

   HINT:

   Hand-held tester has a "Snapshot" function which records the monitored data.

   Please refer to the hand-held tester operator's manual for further details.

The DTCs and freeze frame data will be erased by either action.

Operate the hand-held tester to erase the codes.

HINT:

According to the DATA LIST displayed by the 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 hand-held tester to the DLC3.
2. Turn the ignition switch ON.
3. According to the display on tester, read the "DATA LIST".

   Power window master switch: 

   Fig 1: Power Window Master Switch Specification Table

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Body control ECU: 

   Fig 2: Body Control ECU Specification Table

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

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

It is possible to display the DATA LIST during the ACTIVE TEST.

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

   Power window master switch: 

   ACTIVE TEST
   
   

   Item	Test Details	Diagnostic Note
   P/W UP/DOWN	Driver power window UP/DOWN	-

   Body control ECU: 

   BODY CONTROL ECU REFERENCE
   
   

   Item	Test Details	Diagnostic Note
   P P/W UP/DOWN	Passenger power window UP/DOWN	-
   RL P/W UP/DOWN	RL power window UP/DOWN	-
   RR P/W UP/DOWN	RR power window UP/DOWN	-
   DOOR LOCK	Drive the Door lock motor at all doors LOCK/UNLOCK	-