CAUTIONCOMMENTS ON TROUBLE SYMPTOM
Input signal from the ignition switch (IG1) is used to operate the functions below. If the signal is abnormal, these functions will not work normally.- Ignition key reminder buzzer function <Vehicles for GCC only>
- Lamp reminder function
- Power window timer function
- Sunroof timer function
- Ignition key cylinder illumination lamp
- Seat belt warning lamp
- Headlamp automatic shutdown function
- Turn-signal lamp
- Room lamps
POSSIBLE CAUSES
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
Step 3. Check the wiring harness between C-217 ETACS-ECU connector terminal No.8 and the ignition switch (IG1).
NOTE: Prior to the wiring harness inspection, check junction block connector C-203, and repair if necessary.
- Check the power supply line for open circuit.
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: Repair the wiring harness.
Step 4. SWS monitor data list
<Selected item>
ETACS ECU
- Ignition switch: ON
| Item No. |
Item name |
Normal condition |
|---|---|---|
| Item 30 |
IG SW(IG1) |
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.