CAUTIONOPERATION
The ETACS-ECU operates this function in accordance with all the door switch signals. If
the door-ajar warning lamp does not work normally, the input signal circuits from all the door switches
or the ETACS-ECU may be defective.POSSIBLE CAUSES
- All the door switches are defective.
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
Step 2. Confirm communication data by using the SWS monitor.
<Selected item>
ETACS
- Driver's door: Open (close only when item No.38 is to be checked)
- All the doors: Open any door when all the doors are closed (close only when item No.32 is to be checked)
| Item No. |
Item name |
Normal conditions |
|---|---|---|
| Item 32 |
DRIVER DOOR SW |
ON |
| Item 38 |
THEFT-ALARM |
from OFF to ON |
OK: Normal condition is displayed.
Q: Are the check result normal?
Normal conditions are displayed for all the items.:
Go to Step 4
.Normal condition is not displayed for item No.32.: Refer to inspection procedure P-4 "The driver's door switch signal is not received"
.Normal condition is not displayed for item No.38.: Refer to inspection procedure P-13 "All the door switch signals are not received"
.Step 7. Retest the system.
- Replace the ETACS-ECU.
- Check that the door-ajar warning lamp illuminates/extinguishes 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 combination meter.