CAUTIONCOMMENTS ON TROUBLE SYMPTOM
Input signals from all the door switches are used to operate the functions below. If the signal(s) are abnormal, these functions will not work normally.- Door-ajar warning function
- Keyless entry system
- Dome lamps
- Security alarm
POSSIBLE CAUSES
- Malfunction of the door switches
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
Step 1. Confirm communication data by using the SWS monitor.
<Selected item>
ETACS
- Driver's door: open
| Item No. |
Item name |
Normal conditions |
|---|---|---|
| Item 32 |
DR DOOR SW |
ON |
OK: Normal condition is displayed.
Q: Is the check result normal?
YES:
Go to Step 2
.NO: Refer to inspection procedure P-4 "The driver's door switch signal is not received"
.Step 5. Check the wiring harness from terminal No.2 of the D-42 <front, RH>, D-28 <front, LH>, D-10 <rear, RH>
or D-20 <rear, LH>
door switch connectors or terminal No.1 of the F-07 <tailgate>
tailgate switch connector to terminal No.7 of the C-217 ETACS-ECU connector.
NOTE: Prior to the wiring harness inspection, check intermediate connector F-05 <tailgate>
or C-117 <LH>
and junction block connector C-205 <LH>
or C-221 <RH and tailgate>, and repair if necessary.
- Check the input line for open circuit.
Q: Is the check result normal?
YES:
Go to Step 6.NO: Repair the wiring harness between each of the door switches and the ETACS-ECU.
Step 6. Confirm communication data by using the SWS monitor.
<Selected item>
ETACS
- Either door: open
| Item No. |
Item name |
Normal conditions |
|---|---|---|
| Item 38 |
THEFT-ALARM |
ON |
OK: Normal condition is displayed.
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.