Stratus Coupe V6-3.0L VIN H (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 door ajar 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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Door switches
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Speed sensor
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 door ajar tone alarm function should work normally.
NO: Check the relevant input circuit.
Inspection Procedure B-4
Tone alarm: Low washer fluid level tone alarm function does not work normally.
TECHNICAL DESCRIPTION (COMMENT)
The ETACS-ECU operates the low washer fluid level tone alarm function, based on input signals from the following switches and the front-ECU:
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Ignition switch (IG1)
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Washer fluid level switch
If the function does not work normally, a defect on the relevant circuit or the ETACS-ECU may be suspected.
TROUBLESHOOTING HINTS
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Malfunction of the speed sensor
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Malfunction of the ETACS-ECU
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Damaged harness wires or connectors
