Toyota Yaris: Power Window Control System / Remote Up / Down Function does not Operate
DESCRIPTION
When the ignition switch is ON, the multiplex network master switch assembly sends remote up and down signals to each door window regulator motor assembly via LIN communication.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.
Click here
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If a power window regulator motor assembly has been replaced with a new one, initialize the power window control system.
Click here
PROCEDURE
| 1. | READ VALUE USING GTS (MAIN BODY) |
(a) Read the Data List according to the display on the GTS.
Body Electrical > Main Body > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Communication P-Door Motor | Connection status between power window regulator motor assembly (for front passenger door) and main body ECU (multiplex network body ECU) | STOP or OK | STOP: Communication stopped OK: Normal communication | - |
| Communication Master Switch | Connection status between multiplex network master switch assembly and main body ECU (multiplex network body ECU) | STOP or OK | STOP: Communication stopped OK: Normal communication | - |
| Tester Display |
|---|
| Communication P-Door Motor |
| Communication Master Switch |
OK:
OK is displayed for each Data List item above.
| NG |
.gif) | GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting) |
|
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| 2. | READ VALUE USING GTS (MASTER SWITCH) |
(a) Read the Data List according to the display on the GTS.
Body Electrical > Master Switch > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| P Door P/W Auto SW | Front passenger door power window auto switch signal | OFF or ON | OFF: Front passenger door power window auto up or auto down switch not being operated ON: Front passenger door power window auto up or auto down switch being operated | - |
| P Door P/W Up SW | Front passenger door power window manual up switch signal | OFF or ON | OFF: Front passenger door power window manual up switch not being operated ON: Front passenger door power window manual up switch being operated | - |
| P Door P/W Down SW | Front passenger door power window manual down switch signal | OFF or ON | OFF: Front passenger door power window manual down switch not being operated ON: Front passenger door power window manual down switch being operated | - |
| Window Lock Switch Status | Window lock switch signal | OFF or ON | OFF: Window lock switch off (not pushed in) ON: Window lock switch on (pushed in) | - |
| Tester Display |
|---|
| P Door P/W Auto SW |
| P Door P/W Up SW |
| P Door P/W Down SW |
| Window Lock Switch Status |
OK:
On the GTS screen, ON or OFF is displayed accordingly.
| OK |
| REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Door) |
| NG |
| REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY |
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Fuel Gauge
The fuel gauge shows approximately how much fuel is remaining in the tank when the ignition is switched ON. We recommend keeping the tank over 1/4 full.
