Eclipse RS L4-2350cc 2.4L SOHC MFI (2002)
STEP 2. Check the input signal by using service data of the SWS monitor.
Check the input signals from the following switches:
-
Ignition switch: OFF (key inserted)
-
Driver's door: open
Select "BUZZER-KEY RMND. ALM" (FUNCTION DIAG.), and check that normal conditions are displayed on the items described in the table.
Q: Does the scan tool display the items "IG SW (IG1)", "DR DOOR SW" and "BUZZER" as normal condition?
YES: Replace the ETACS-ECU. The ignition key reminder tone alarm function should work normally.
NO:
-
The scan tool does not show the respective normal condition for item "IG SW (IG1)." Refer to Inspection Procedure O-2 "ETACS-ECU does not
receive a signal from the ignition switch (IG1)."
-
The scan tool does not show the respective normal condition for item "DR DOOR SW." Refer to Inspection Procedure O-6 "ETACS-ECU does
not receive a signal from the driver's or the front passenger's door switch."
-
The scan tool does not show the respective normal condition for item "BUZZER." Go to Step 3.
STEP 3. Check the input signal (by using the Pulse check).
Check the input signals from the key reminder switch.
-
Check whether scan tool MB991502 sounds or not when the ignition key is removed and reinserted.
Q: Does scan tool MB991502 sound when the ignition key is removed and reinserted?
YES: Replace the ETACS-ECU. The ignition key reminder tone alarm function should work normally.
NO: Refer to Inspection Procedure P-1 "ETACS-ECU does not receive a signal from the key reminder switch."
Inspection Procedure B-2
Tone Alarm: Light Reminder Tone Alarm Function does not Work Normally.
