Stratus Coupe V6-3.0L VIN H (2001)
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 B-6
Tone alarm: Low fuel level tone alarm function does not work normally.
TECHNICAL DESCRIPTION (COMMENT)
The ETACS-ECU operates the seat belt tone alarm function, based on input signals from the following switches:
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Ignition switch (IG1)
-
Low fuel level warning light signal (output from ECM <M/T> or PCM <A/T>)
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 ECM <M/T> or PCM <A/T>
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Malfunction of the ETACS-ECU
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Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
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MB991223: Test Harness Set
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MB991502: Scan Tool (MUT-II)
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MB991529: Diagnostic Trouble Code Check Harness
STEP 1. Check the low fuel level warning light operation.
Q: Does the low fuel level warning light work normally?
YES: Go to Step 2 or 3.
NO: Check the combination meter and fuel pump module.
STEP 2. Check the input signal (by using scan tool MB991502).
Check the input signals from the ignition switch (IG1).
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991502.
