[54B] SMART WIRING SYSTEM (SWS) NOT 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/extinguish ."
| Step 2. Pulse check Check the input signals below, which are related to the door-ajar warning lamp.
System switch | Check conditions
--- | ---
Driver's door switch | Driver's door is opened while all the other doors are closed.
All of the door switches | A door is opened when all the doors are closed
OK: The MUT-II/III sounds or the voltmeter needle fluctuates. Q: Are the check result normal? All the signals are received normally.: Go to Step 3. The driver's door switch signal is not received.: Refer to inspection procedure P-4 "The driver's door switch signal is not received" . All the door switch signals are not received.: 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 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 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.

[54B] SMART WIRING SYSTEM (SWS) NOT 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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