Stratus Coupe L4-2.4L VIN G (2003)
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The ETACS-ECU may be defective The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back
in the connector
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. Verify the interior light.
If the dome light switch and the rear personal light switch are moved to the 'door interlock position,' the interior light should illuminate when either door
is opened.
Q: Does the interior light illuminate normally?
YES : Go to Step 2.
NO : Solve the problem first. Refer to Inspection Procedure M-1. See: Diagnosis By Symptom/Symptom Procedures/Inspection Procedure M-1
STEP 2. Verify the ETACS-ECU power supply circuit.
Check that the hazard warning light illuminate when the ignition switch is in the 'LOCK' (OFF) position.
Q: Does the hazard warning light illuminate?
YES : Go to Step 3 <when using scan tool MB991502> or 4 <when using a voltmeter>.
NO : Check the ETACS-ECU battery circuit. Refer to Inspection Procedure P-1. See: Diagnosis By Symptom/Symptom Procedures/Inspection
Procedure P-1
STEP 3. Check the input signal (by using scan tool MB991502).
Check the input signals from the following switches:
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Ignition switch (IG1)
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Key reminder switch
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Driver's and passenger's door switches
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Driver's door lock actuator switch
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.
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 : Go to Step 5.
NO :
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Scan tool MB991502 does not sound when the ignition switch is turned from "ACC" to "ON": Refer to Inspection Procedure O-2 "The
ignition switch (IG1) signal is not sent to the ETACS-ECU." See: Diagnosis By Symptom/Symptom Procedures/Inspection Procedure O-2
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Scan tool MB991502 does not sound when the ignition key is inserted and then removed: Refer to Inspection Procedure O-3 "The key
