[54E] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Except for Hong Kong spec.> - - SYMPTOM PROCEDURES - POWER WINDOWS - INSPECTION PROCEDURE D-1: Power windows do not work at all. <vehicles for Argentina> | PRINT PAGE / INDEX / PRIOR / NEXT

INSPECTION PROCEDURE D-1: Power windows do not work at all. <vehicles for Argentina>
| CAUTION Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.
| COMMENTS ON TROUBLE SYMPTOM If the power windows do not work at all, the power window relay, the power window main switch or the ETACS-ECU may be defective.
| POSSIBLE CAUSES Malfunction of the power window relay Malfunction of the power window main switch Malfunction of the ETACS-ECU Damaged harness wires and connectors
| DIAGNOSIS PROCEDURE
| Step 1. ECU check by using the SWS monitor Check that the power supply and earth lines to the ETACS-ECU and the power window main switch (power window module) and the SWS communication lines are normal. Turn the ignition switch to the ON position. ECU TO BE CHECKED ETACS ECU P/W MODULE OK: "OK" are displayed for all the items Q: Is the check result normal? "OK" are displayed for all the items: Go to Step 2. "NG" is displayed on the "ETACS ECU" menu.: Refer to Inspection Procedure A-3 "Communication with ETACS-ECU is not possible ." "NG" is displayed on the "P/W MODULE" menu.: Refer to Inspection Procedure A-5 "Communication with power window main switch (power window module) is not possible ."
| Step 2. Function diagnosis by using the SWS monitor Check the SWS communication signal, which are related to the power windows. <Selected item> POWER WINDOW Turn the ignition switch to the ON position. Power window main switch: UP
Item No. | Item name | Normal condition
--- | --- | ---
30 | IG SW (IG1) | ON
33 | P/W SW ACCEPT | PERMIT
71 | P/W ECU ACK | INPUT CHECK (only momentarily when switch is operated)
OK: Normal conditions are displayed for all the items. Q: Is the check result normal? Normal conditions displayed for all the items: Go to Step 3. Normal condition is not displayed for item No.30: Refer to Inspection Procedure P-2 "The ignition switch (IG1) signal is not received ." Normal condition is not displayed for item No.33: Replace the ETACS-ECU. Normal condition is not displayed for item No.71: Replace the power window main switch.
| Step 3. Retest the system. Check that the all the power windows work. Q: Is the check result normal? YES: Intermittent malfunction. (Refer to GROUP 00 - How to Cope with Intermittent Malfunction )). NO: Replace the power window main switch.

[54E] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Except for Hong Kong spec.> - - SYMPTOM PROCEDURES - POWER WINDOWS - INSPECTION PROCEDURE D-1: Power windows do not work at all. <vehicles for Argentina> | PRINT PAGE / INDEX / PRIOR / NEXT

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