Galant V6-3.0L SOHC (2003)
4. Select "ECU COMM CHK."
5. Scan tool MB991502 should show "OK" on the "ECU COMM CHK" menu for the "ETACS ECU" menu.
Q: Is "OK" displayed on the "ETACS ECU" menu?
YES: Go to Step 2.
NO: Refer to Inspection Procedure A-3 "Communication with ETACS-ECU is not possible."
STEP 2. Check the input signal by using "DATA LIST" menu of the SWS monitor.
Check the input signals from the following switches:
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Ignition switch: OFF
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Driver's door: open
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Front passenger's door: closed
Operate scan tool MB991502 according to the procedure below to display "ETACS ECU."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "DATA LIST."
5. Select "ETACS ECU."
Check that normal conditions are displayed on the items described in the table.
Q: Does the scan tool display the items "IG SW (IG1)" and "FRONT DOOR SW" as normal condition?
YES: Go to Step 3.
NO:
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Normal condition is not displayed for "IG SW (IG1)": Refer to Inspection Procedure M-2 "ETACS-ECU does not receive any signal from the
ignition switch (IG1)."
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Normal condition is not displayed for "FRONT DOOR SW": Refer to Inspection Procedure M-4 "ETACS-ECU does not receive any signal from
the driver's or the front passenger's door switch."