[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - SYMPTOM PROCEDURES - CENTRAL DOOR LOCKING SYSTEM - INSPECTION PROCEDURE C-3: The Ignition Key Reminder Function does not Work Normally. | PRINT PAGE / INDEX / PRIOR / NEXT

INSPECTION PROCEDURE C-3: The Ignition Key Reminder Function does not Work Normally.
| CAUTION Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.
| COMMENTS ON TROUBLE SYMPTOM If the key reminder function does not work normally, the input signal circuits below or the ETACS-ECU may be defective. Key reminder switch Driver's door switch Driver's door lock actuator
| POSSIBLE CAUSES Malfunction of the key reminder switch Malfunction of the driver's door switch Malfunction of the driver's door lock actuator Malfunction of the ETACS-ECU Damaged harness wires and connectors
| DIAGNOSIS PROCEDURE
| Step 1. 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 2. NO: Refer to Inspection Procedure A-3 "Communication with the ETACS-ECU is not possible ."
| Step 2. Confirm communication data by using the SWS monitor. Check the SWS communication signals, which are related to the key reminder function. <Selected item> ETACS Driver's door: open
Item No. | Item name | Normal conditions
--- | --- | ---
Item 32 | DR DOOR SW | ON
OK: Normal condition is displayed. Q: Is the check result normal? YES: Go to Step 3. NO: Refer to inspection procedure P-4 "The driver's door switch signal is not received ."
| Step 3. Check the ETACS SW data by using the SWS monitor. Check the ETACS-ECU signals, which are related to the key reminder function. Ignition switch: OFF (key inserted) Driver's door: From unlocked to locked
Item No. | Item name | Normal conditions
--- | --- | ---
Item 03 | KEY REMIN SW | OFF
Item 21 | DR DOR LCK SW | from OFF to ON
Item 22 | DR DOR ULK SW | from ON to OFF
OK: Normal conditions are displayed for all the items. Q: Is the check result normal? Normal conditions displayed for all the items: Go to Step 4. Normal condition is not displayed for item No.03: Refer to inspection procedure P-10 "The key reminder switch signal is not received." Refer to . Normal condition is not displayed for item No.21 or No.22: Refer to inspection procedure P-14 "The driver's door lock actuator switch signal is not received ."
| Step 4. Retest the system. Q: Does the ignition key reminder function work normally? 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 - CENTRAL DOOR LOCKING SYSTEM - INSPECTION PROCEDURE C-3: The Ignition Key Reminder Function does not Work Normally. | PRINT PAGE / INDEX / PRIOR / NEXT

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