Mitsubishi Grandis. Manual - part 25
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-97
Step 3. Customize function by using the SWS
monitor.
Use the SWS monitor customize function to confirm
that "DOOR WARN BUZ" is set to "W.FUNCTION".
CAUTION
The SWS monitor must be used in order to
confirm and change that setting. Use the SWS
monitor to confirm and/or change the
customized function.
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Use the SWS monitor customize function to
set "DOOR WARN BUZ" to "W.FUNCTION"
(Refer to GROUP 54C
− Customize function
).
Step 4. Retest the system.
Check that the door-ajar warning buzzer function
works normally.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
Cope with Intermittent Malfunction
NO :
Replace the ETACS-ECU.
Inspection Procedure B-4: Turn-signal lamp operation sound function does not work normally.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
COMMENTS ON TROUBLE SYMPTOM
The ETACS-ECU operates this function in
accordance with the input signals below.
• Ignition switch (IG1)
• Turn-signal lamp switch
• Hazard warning lamp switch
If this function does not work normally, these input
signal circuit(s) or the ETACS-ECU may be
defective. Note that this function can be
disabled/enabled by the customize function (default
setting; disabled). In order to change the setting, the
SWS monitor is required.
POSSIBLE CAUSES
• Malfunction of the column switch
• Malfunction of the hazard warning lamp switch
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
Turn-Signal Lamp Operation Sound Function
ETACS-ECU
INPUT SIGNAL
·HAZARD WARNING LAMP SWITCH
·IGNITION SWITCH (IG1)
·TURN-SIGNAL SWITCH