POWER WINDOW CONTROL SYSTEM > Driver Side Power Window does not Operate with Power Window Master Switch |

| 1.READ VALUE USING INTELLIGENT TESTER (Main Body) |
Connect the intelligent tester to the DLC3.
Turn the power switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / Main Body / Data List.
Read the Data List according to the display on the intelligent tester.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
| Communication D-Door Motor | Connection status between power window regulator motor (for driver side) and main body ECU (multiplex network body ECU) / OK or STOP | OK: Normal communication STOP: Communication stopped | - |
| Communication Master SW | Connection status between multiplex network master switch assembly and main body ECU (multiplex network body ECU) / OK or STOP | OK: Normal communication STOP: Communication stopped | - |
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| OK | |
| 2.READ VALUE USING INTELLIGENT TESTER (D-Door Motor) |
Enter the following menus: Body / D-Door Motor / Data List.
Read the Data List according to the display on the intelligent tester.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
| D Door P/W Up SW | Driver door power window manual up switch signal / ON or OFF | ON: Driver door power window manual up switch operated OFF: Driver door power window manual up switch not operated | - |
| D Door P/W Down SW | Driver door power window manual down switch signal / ON or OFF | ON: Driver door power window manual down switch operated OFF: Driver door power window manual down switch not operated | - |
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| OK | |
| 3.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (D-Door Motor) |
Enter the following menus: Body / D-Door Motor / Active Test.
Perform the Active Test according to the display on the intelligent tester.
| Tester Display | Test Part | Control Range | Diagnostic Note |
| Power Window | Power window | OFF / UP / DOWN | - |
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| OK | ||
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| 4.CHECK HARNESS AND CONNECTOR (MASTER SWITCH - DRIVER SIDE MOTOR) |
Disconnect the multiplex network master switch assembly connector.
Disconnect the power window regulator motor assembly (for driver side) connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
| K5-20 (UP) - K2-10 (UP) | Always | Below 1 Ω |
| K5-15 (DOWN) - K2-7 (DOWN) | Always | Below 1 Ω |
| K5-20 (UP) - Body ground | Always | 10 kΩ or higher |
| K5-15 (DOWN) - Body ground | Always | 10 kΩ or higher |
| K2-10 (UP) - Body ground | Always | 10 kΩ or higher |
| K2-7 (DOWN) - Body ground | Always | 10 kΩ or higher |
| Tester Connection | Condition | Specified Condition |
| J9-20 (UP) - J2-10 (UP) | Always | Below 1 Ω |
| J9-15 (DOWN) - J2-7 (DOWN) | Always | Below 1 Ω |
| J9-20 (UP) - Body ground | Always | 10 kΩ or higher |
| J9-15 (DOWN) - Body ground | Always | 10 kΩ or higher |
| J2-10 (UP) - Body ground | Always | 10 kΩ or higher |
| J2-7 (DOWN) - Body ground | Always | 10 kΩ or higher |
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| OK | |
| 5.REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY |
Replace the multiplex network master switch assembly (Click here).
| NEXT | |
| 6.CHECK MANUAL UP / DOWN FUNCTION (for Driver Side) |
Check that the driver side door power window moves when the manual up and down functions of the multiplex network master switch assembly are operated (Click here).
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| OK | ||
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