Stratus Coupe L4-2.4L VIN G (2003)
Check the input signal from the passing 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 front-ECU. The passing switch should work normally.
NO : The voltmeter needle does not fluctuate when the passing switch is turned from "OFF" to "ON": Refer to Inspection Procedure O-14
"The passing switch signal is not sent to the ETACS-ECU." See: Diagnosis By Symptom/Symptom Procedures/Inspection Procedure O-14
Inspection Procedure J-5
INSPECTION PROCEDURE J-5: Headlight, Taillight: Headlight automatic shutdown function does not work normally.
TECHNICAL DESCRIPTION (COMMENT)
The ETACS-ECU and front-ECU operates the headlight automatic shutdown function, based on the signals from the following switches:
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Ignition switch (IG1)
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Taillight switch
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Headlight switch
If the function does work normally, a defect on relevant input circuits, the ETACS-ECU or the front-ECU is suspected.
TROUBLESHOOTING HINTS
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The column switch (turn-signal light and lighting switch) may be defective
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The ETACS-ECU may be defective
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The front-ECU may be defective
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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. Check the DTC.
Q: Does the DTC set when the ignition switch is turned to the "LOCK" (OFF) position?
YES : Carry out the troubleshooting by referring to Diagnostic Trouble Code Chart. See: Trouble Code Diagnostic Charts
NO : Go to Step 2 <when using scan tool MB991502> or 3 <when using a voltmeter>.
STEP 2. 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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Driver's door switch
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Taillight switch
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Headlight switch
CAUTION : To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
