Up to 08/2009
WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
* Use the following procedure to troubleshoot the power window control system.
* *: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
* In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
* Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
* The following 5 items are important points in the problem analysis:
NEXT -- Continue to next step.
3. PRE-CHECK
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
(a) If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
NEXT -- Continue to next step.
4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result:
B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.
5. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the LIN communication system is functioning normally Reading and Clearing Diagnostic Trouble Codes.
Result:
B -- GO TO LIN COMMUNICATION SYSTEM LIN Communication System
A -- Continue to next step.
6. CHECK FOR DTC*
(a) Check for DTCs and note any codes that are output Reading and Clearing Diagnostic Trouble Codes.
(b) Clear the DTCs.
(c) Recheck for DTCs.
Result:
B -- GO TO DIAGNOSTIC TROUBLE CODE CHART Power Window Control System
A -- Continue to next step.
7. PROBLEM SYMPTOMS TABLE
(a) Refer to Problem Symptoms Table Problem Symptoms Table.
Result:
B -- Go to step 9
A -- Continue to next step.
8. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Operation Check Operation Check
(b) Data List / Active Test Scan Tool Testing and Procedures
(c) Terminals of ECU Pinout Values and Diagnostic Parameters
NEXT -- Continue to next step.
9. ADJUST, REPAIR OR REPLACE
(a) Check if any of the door window regulators or power window regulator motor assemblies have been removed and reinstalled.
Result:
B -- Go to step 11
A -- Continue to next step.
10. INITIALIZE POWER WINDOW REGULATOR MOTOR
(a) If any of the door window regulators or power window regulator motor assemblies have been removed and reinstalled, perform "Initialize Power Window Control System" (initialization of the pulse sensor) for the applicable door glass Initialization.
HINT
If "Initialize Power Window Control System" (initialization of the pulse sensor) has not been performed, the auto operation function, jam protection function, key-linked operation function, wireless transmitter-linked operation function and key-off operation function will not operate or will operate incorrectly.
NEXT -- Continue to next step.
11. CONFIRMATION TEST
NEXT -- END