Galant V6-3.0L SOHC (2003)
NOTE: This troubleshooting procedure requires the use of scan tool MB991502 and SWS monitor kit MB991862. For details on how to use the SWS
monitor, refer to "How to use SWS monitor."
Seat Belt Tone Alarm Function
CIRCUIT OPERATION
The ETACS-ECU operates the seat belt tone alarm function according to signals from the following switches:
-
Ignition switch (IG1): ON
-
Driver's seat belt switch: ON
The ETACS-ECU operates the seat belt tone alarm function under the following conditions:
-
Ignition switch(IG1): "ON" position
-
Driver's seat belt: Unfastened
TECHNICAL DESCRIPTION (COMMENT)
If the function does not work normally, the input circuit system from the switches or the ETACS-ECU may be defective (refer to "CIRCUIT
OPERATION").
TROUBLESHOOTING HINTS
-
The driver's seat belt switch may be defective
-
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:
-
MB991223: Harness Set
-
MB991502: Scan Tool (MUT-II)
-
MB991862: SWS monitor kit