[54E] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Except for Hong Kong spec.> - - SYMPTOM PROCEDURES - CENTRAL DOOR LOCKING SYSTEM - INSPECTION PROCEDURE C-3: The central door locking system can not be operated by means of the front passenger's door key cylinder. | PRINT PAGE / INDEX / PRIOR / NEXT

INSPECTION PROCEDURE C-3: The central door locking system can not be operated by means of the front passenger's door key cylinder.
| CAUTION Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.
| COMMENT ON TROUBLE SYMPTOM If the central door locking system does not work by means of the front passenger's door key cylinder, the front passenger's door key cylinder or the ETACS-ECU may be defective.
| POSSIBLE CAUSES Malfunction of the front passenger's door key cylinder Malfunction of the ETACS-ECU Damaged harness wires and connectors
| DIAGNOSIS PROCEDURE
| Step 1. Check the operation of the central door locking system. Check that the central door locking system works normally by means of the driver's door key cylinder and inside lock knob. Q: Is the check result normal? YES: Go to Step 2. NO: Refer to Inspection Procedure C-1 "Central door locking system does not work <LH drive vehicles> ." Refer to Inspection Procedure C-1 "Central door locking system does not work <RH drive vehicles> ."
| Step 2. ECU check by using the SWS monitor Check that the power supply and earth lines to the ETACS-ECU and the SWS communication lines are normal. Ignition switch: OFF ECUS TO BE CHECKED ETACS ECU OK: "OK" is displayed on the "ETACS ECU" menu. Q: Is the check result normal? YES: Go to Step 3. NO: Refer to Inspection Procedure A-3 "Communication with ETACS-ECU is not possible ."
| Step 3. Pulse check Check the input signal from the front passenger’s door lock key cylinder switch.
System switch | Check condition
--- | ---
Passenger’s door lock key cylinder switch | Turn the key to the lock or unlock position
OK: The MUT-II/III sound or the voltmeter needle fluctuate. Q: Is the check result normal? YES: Go to Step 4. NO: Refer to Inspection Procedure P-19 "The front passenger's door lock key cylinder switch signal is not detected <LH drive vehicles> ." Refer to Inspection Procedure P-19 "The front passenger's door lock key cylinder switch signal is not detected <RH drive vehicles> ."
| Step 4. Retest the system. Check that the central door locking system works normally by means of the front passenger's door key cylinder. 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.

[54E] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Except for Hong Kong spec.> - - SYMPTOM PROCEDURES - CENTRAL DOOR LOCKING SYSTEM - INSPECTION PROCEDURE C-3: The central door locking system can not be operated by means of the front passenger's door key cylinder. | PRINT PAGE / INDEX / PRIOR / NEXT

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