Eclipse RS L4-2350cc 2.4L SOHC MFI (2002)
STEP 3. Check the input signal (by using the Pulse check).
Check the input signals from the following switches:
-
Key reminder switch
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Driver's or front passenger's door lock actuator switch
If the switches (see table), which are applicable for the input signal check, are operated, check if scan tool MB991502 sounds or not.
Q: Does scan tool MB991502 sound whenever the key reminder switch, the driver's and front passenger's door lock actuator switches are operated?
YES: Replace the ETACS-ECU. The forgotten key prevention function should work normally.
NO:
-
Scan tool MB991502 does not sound when the key reminder switch is operated: Refer to Inspection Procedure P-1 "ETACS-ECU does not receive
a signal from the key reminder switch."
-
Scan tool MB991502 does not sound when the driver's or the front passenger's door lock actuator switch is operated Refer to Inspection Procedure
P-5 "ETACS-ECU does not receive a signal from the driver's or front passenger's door lock actuator switch."
Inspection Procedure D-1
Power Window: Power Windows do not Work at all.
NOTE: This troubleshooting requires use of scan tool MB991502 and SWS monitor kit MB991862. For details of how to use the SWS monitor, refer
to "How to use SWS monitor."