Eclipse Spyder GS L4-2350cc 2.4L SOHC MFI (2001)
1. Connect scan tool MB991502 to the data link connector.
2. Check that the tone alarm of scan tool MB991502 sounds when the input signal enters.
Q: Does the tone alarm of scan tool MB991502 sound when the Input signal enters.
YES: Replace the ETACS-ECU. The seat belt tone alarm function should work normally.
NO: Check the relevant input circuit.
STEP 3. Check the input signal (by using a voltmeter). Check the input signals from the following switches:
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Ignition switch (IG1)
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Driver's seat belt switch
1. Use special tool MB991529 to connect a voltmeter between ground terminal 4 or 5 and ETACS-ECU terminal 9 of the data link connector.
2. Check that the voltmeter indicator deflects once when the input signal enters.
Q: Does the voltmeter Indicator deflect?
YES: Replace the ETACS-ECU. The seat belt tone alarm function should work normally.
NO: Check the relevant input circuit.
Inspection Procedure C-1
Central Door Locking System: Central Door Locking System Does Not Operate
