Lancer L4-2.4L SOHC (2005)
defective.
TROUBLESHOOTING HINTS
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The key reminder switch may be defective
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The hazard warning light switch may be defective
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The transmitter may be defective
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The ETACS-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: Harness Set
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MB991958: Scan Tool (MUT-III Sub Assembly)
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MB991824: Vehicle Communication Interface (V.C.I.)
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MB991827: MUT-III USB Cable
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MB991911: MUT-III Main Harness B
STEP 1. Verify trouble symptom.
Q: Can the encrypted code register mode be set?
YES: Go to Step 3.
NO: Go to Step 2.
STEP 2. Check the input signal (by using the pulse check mode of the monitor).
Check the input signals from the following switches:
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Key reminder switch
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Hazard warning light switch
CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.
1. Connect scan tool MB991958 to the data link connector.
2. Operate scan tool MB991958 as follows:
a. Select "SYSTEM SELECT.
b. Select "SWS.
c. Select "PULSE CHECK.
3. Check scan tool MB991958 sounds or not.
