Galant L4-2.4L (4G69) (2004)
STEP 14. Check the wiring harness between horn relay connector A-06X (terminal 4) and horn connector A-36 (terminal 1).
Q : Is the wiring harness between horn relay connector A-06X (terminal 4) and horn connector A-36 (terminal 1) in good condition?
YES : Replace the ETACS-ECU. Verify that the horn sounds normally.
NO : The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the
connector. Repair the wiring harness as necessary. Verify that the horn sounds normally.
Inspection Procedure E-3
Keyless Entry System: Encrypted code cannot be registered.
CIRCUIT OPERATION
The ETACS-ECU operates the encrypted code register mode according to the following signals:
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Key reminder switch
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Hazard warning light switch
TECHNICAL DESCRIPTION (COMMENT)
If the encrypted code register mode cannot be set, the input circuits from the switches described in "CIRCUIT OPERATION" or the ETACS-ECU may
be defective.
If the encrypted code register mode can be set but the transmitter cannot be registered, the transmitter or the ETACS-ECU may be 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)