INSPECTION PROCEDURE D-5: The power window timer function does not work normally. <except vehicles for Argentina>

CAUTION

Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.

OPERATION

The ETACS-ECU operates this function in accordance with the input signals below.

Ignition switch (IG1)

Driver's door switch

Passenger's door switch <vehicles for Australia>

COMMENTS ON TROUBLE SYMPTOM

If the power window timer function does not work normally, these input signal circuit(s), the power window main switch or the ETACS-ECU may be defective.

POSSIBLE CAUSES

Malfunction of the front door switch (RH)

Malfunction of the front door switch (LH)

Malfunction of the power window main switch

Malfunction of the ETACS-ECU

Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

Step 1. Check the adjustment function.

Check that the power window timer function has been enabled by using the adjustment function.

Q: Is the check result normal?

YES: Go to Step 2

.
NO: Use the adjustment function to enable the power window timer function (Refer to GROUP 54B - Adjustment function

Step 2. ECU check by using the SWS monitor

Check that the power supply and earth lines to the ETACS-ECU and the SWS communication lines are normal.

Ignition switch: OFF

ECU TO BE CHECKED

ETACS ECU

OK: "OK" is displayed on the "ETACS ECU" menu.

Q: Is the check result normal?

YES: Go to Step 3

.
NO: Refer to Inspection Procedure A-3 "Communication with ETACS-ECU is not possible

Step 3. SWS monitor data list

Check the input signals below, which are related to the power window timer function.

<Selected item> ETACS ECU

Ignition switch: OFF

Driver's door: open

Item No.	Item name	Normal condition
Item 30	IG SW(IG1)	OFF
Item 31	IG SW(ACC)	OFF
Item 32	DR DOOR SW^*1	ON
Item 32	FRONT DOOR SW^*2	ON

NOTE:

^*1 : Except for Australia

^*2 : Vehicles for Australia

OK: Normal condition is displayed.

Q: Is the check result normal?

Normal conditions are displayed for all the items.: Go to Step 4

.
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.31.: Refer to Inspection Procedure P-1 "The ignition switch (ACC) signal is not received

."
Normal condition is not displayed for item No.32.: Refer to Inspection Procedure P-4 "The driver's door switch signal is not received <LH drive vehicles>

." Refer to Inspection Procedure P-4 "The driver's door switch signal is not received <RH drive vehicles>

Step 4. Connector check: E-05 power window main switch connector

Q: Is the check result normal?

YES: Go to Step 5

.
NO: Repair the connector.

Step 5. Check the power window main switch.

Refer to GROUP 42 - Door

Q: Is the check result normal?

YES: Go to Step 6

.
NO: Replace the power window main switch.

Step 6. Retest the system.

Check that the power window timer function works normally.

Q: Is the check result normal?

YES: The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction

).
NO: Replace the ETACS-ECU.