[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - SYMPTOM PROCEDURES - SECURITY-ALARM SYSTEM - INSPECTION PROCEDURE O-2: The interior alarm does not work normally while the security alarm is triggered. | PRINT PAGE / INDEX / PRIOR / NEXT

INSPECTION PROCEDURE O-2: The interior alarm does not work normally while the security alarm is triggered.
| CAUTION Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.
| COMMENTS ON TROUBLE SYMPTOM If the interior alarm does not work normally, the input signal circuits to the components below or the ETACS-ECU may be defective. Hood switch All of the door switches Alternatively, it is possible that "SECURITY ALM" was set to "W/O FUNCTION" by using the adjustment function.
| POSSIBLE CAUSES Malfunction of the hood switch All the door switches are defective. Malfunction of the ETACS-ECU Damaged harness wires and connectors
| DIAGNOSIS PROCEDURE
| Step 1. Check the adjustment function. Check that "SECURITY ALM" is set to "HORN/HAZARD" or "HAZARD" by using the adjustment function. Q: Is the check result normal? YES: Go to Step 2. NO: Set "SECURITY ALM" to "HORN/HAZARD" or "HAZARD" by using the adjustment function.(Refer to .)
| Step 2. ECU check on 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 the ETACS-ECU is not possible ."
| Step 3. Confirm communication data by using the SWS monitor. Check the ETACS-ECU signal which are related to the security alarm. <Selected item> ETACS ECU Each door: Closed to open
Item No. | Item name | Normal conditions
--- | --- | ---
Item 38 | SECURITY ALRM | From OFF to ON
OK: Normal condition is displayed. Q: Is the check result normal? YES: Go to Step 4. NO: Refer to inspection procedure P-13 "All the door switch signals are not received ."
| Step 4. Check the ETACS SW data by using the SWS monitor. Check the ETACS-ECU signal from the hood switch. Hood: open
Item No. | Item name | Normal conditions
--- | --- | ---
Item 13 | HOOD SW | ON
OK: Normal condition is displayed. Q: Is the check result normal? YES: Go to Step 5. NO: Refer to inspection procedure P-20 "The hood switch signal is not received ."
| Step 5. Retest the system. Check that the security alarm works 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 ETACS-ECU.

[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - SYMPTOM PROCEDURES - SECURITY-ALARM SYSTEM - INSPECTION PROCEDURE O-2: The interior alarm does not work normally while the security alarm is triggered. | PRINT PAGE / INDEX / PRIOR / NEXT

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