[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - SYMPTOM PROCEDURES - ROOM LAMP - INSPECTION PROCEDURE N-3: The door-ajar warning lamp does not illuminate/extinguish normally. | PRINT PAGE / INDEX / PRIOR / NEXT

INSPECTION PROCEDURE N-3: The door-ajar warning lamp does not illuminate/extinguish normally.
| 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 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 1. Check the operation of the room lamp. Check that the dome lamps illuminate and extinguish normally. Q: Is the check result normal? YES: Go to Step 2. NO: Refer to inspection procedure N-1 "The front and rear room lamp does not illuminate or extinguish normally ."
| Step 2. Confirm communication data by using the SWS monitor. Check the input signals below, which are related to the door-ajar warning lamp. <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 3. Connector check: C-05 combination meter connector Q: Is the check result normal? YES: Go to Step 4. NO: Repair the defective connector.
| Step 4. Check the door-ajar warning lamp bulb. Check the door-ajar warning lamp bulb. Q: Is the check result normal? YES: Go to Step 5. NO: Replace the door-ajar warning lamp bulb.
| Step 5. Connector check: C-219 ETACS-ECU connector Q: Is the check result normal? YES: Go to Step 6. NO: Repair the defective connector.
| Step 6. Check the wiring harness from C-219 ETACS-ECU connector (terminal Nos. 53 and 71) to C-05 combination meter connector (terminal Nos. 20 and 21). Q: Is the check result normal? YES: Go to Step 7. NO: Repair the wiring harness.
| Step 7. Retest the system. Replace the ETACS-ECU, and then check that the door-ajar warning lamp illuminates/extinguishes normally. 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.

[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - SYMPTOM PROCEDURES - ROOM LAMP - INSPECTION PROCEDURE N-3: The door-ajar warning lamp does not illuminate/extinguish normally. | PRINT PAGE / INDEX / PRIOR / NEXT

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