Galant LS V6-3.0L SOHC (1999)
CIRCUIT OPERATION
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The ETACS-ECU monitors the ignition switch by detecting voltage from the ignition switch.
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The ETACS-ECU judges that the driver's door is opened or closed by detecting voltage from the driver's door switch.
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The ETACS-ECU judges that the ignition key is inserted or removed by detecting voltage from the key reminder switch.
TECHNICAL DESCRIPTION (COMMENT)
The cause is probably a malfunction in the ignition key reminder tone alarm circuit.
TROUBLESHOOTING HINTS
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Malfunction of the driver's door switch
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Malfunction of the key reminder switch
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Damaged harness wires or connectors
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Malfunction of the ETACS-ECU
DIAGNOSIS
Required Special Tools:
MB991502: Scan Tool (MUT-II)
MB991529: Diagnostic Trouble Code Check Harness
CAUTION: To prevent damage to scan tool MB991502, make sure that the ignition switch is "OFF" before connecting or disconnecting the scan tool.
STEP 1. Check the input signal from the ignition switch, using either the scan tool or a voltmeter.