Mitsubishi Grandis. Manual — part 154
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-78
Power Window Main Switch and SWS Communication Circuit <LHD>
POWER
WINDOW RELAY
ETACS-ECU
DIAGNOSIS
CONNECTOR
POWER WINDOW
MAIN SWITCH
FUSIBLE
LINK
5
CPU
J/B SIDE
Wire colour code
B : Black LG : Light green G : Green L : Blue
W : White Y : Yellow SB : Sky blue BR : Brown
O : Orange GR : Gray R : Red P : Pink V : Violet
FRONT
SIDE
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-79
COMMENTS ON TROUBLE SYMPTOM
The power window main switch, the power supply
circuit (power window relay driving circuit) or
communication circuit for that switch may be
defective.
POSSIBLE CAUSES
• Malfunction of the power window main switch
• Malfunction of the power window relay
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
Power Window Main Switch and SWS Communication Circuit <RHD>
POWER
WINDOW RELAY
ETACS-ECU
DIAGNOSIS
CONNECTOR
POWER WINDOW
MAIN SWITCH
FUSIBLE
LINK
5
CPU
Wire colour code
B : Black LG : Light green G : Green L : Blue
W : White Y : Yellow SB : Sky blue BR : Brown
O : Orange GR : Gray R : Red P : Pink V : Violet
FRONT
SIDE
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-80
DIAGNOSIS PROCEDURE
Step 1. ECU check by using the SWS monitor
Check that the power supply and earth lines to the
ETACS-ECU and the SWS communication lines are
normal.
• Ignition switch: OFF
ECUS TO BE CHECKED
• ETACS ECU
OK: "OK" is displayed on the "ETACS ECU"
menu.
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Refer to Inspection Procedure A-3
"Communication with the ETACS-ECU is
not possible
Step 2. SWS monitor data list
<Selected item> ETACS ECU
• Ignition switch: ON
OK: Normal condition is displayed.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Refer to inspection procedure Q-2 "The
ignition switch (IG1) signal is not received
Step 3. Connector check: F-05 power window
main switch connector.
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Repair the defective connector.
Step 4. Voltage measurement at the F-05 power
window main switch connector.
(1) Disconnect the connector, and measure at the
wiring harness side.
Item No.
Item name
Normal
condition
Item 30
IG SW(IG1)
ON
AC311150
AB
Connector: F-05
Harness side
<LHD>
10
1
6
14
5
12
13
4
11
7
2
3
8
9
F-05(B)
AC310213
Connector: F-05
Harness side
<RHD>
10
1
6
14
5
12
13
4
11
7
2
3
8
9
F-05(B)
AB
AC311150
AB
Connector: F-05
Harness side
<LHD>
10
1
6
14
5
12
13
4
11
7
2
3
8
9
F-05(B)
AC310213
Connector: F-05
Harness side
<RHD>
10
1
6
14
5
12
13
4
11
7
2
3
8
9
F-05(B)
AB
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-81
(2) Ignition switch: ON
(3) Voltage between F-05 power window main switch
connector terminal No.6 and body earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 13.
NO :
Go to Step 5.
Step 5. Connector check: C-217 power window
relay connector.
Q: Is the check result normal?
YES :
Go to Step 6.
NO :
Repair the defective connector.
Step 6. Check the power window relay.
Refer to GROUP 42
− Door
.
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Replace the power window relay.
Step 7. Voltage measurement at C-217 power
window relay connector.
(1) Remove the power window relay, and measure at
the junction block side.
(2) Voltage between C-217 power window relay
connector terminal No.5 and body earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 9.
NO :
Go to Step 8.
AC310507BQ
Connector F-05
(Harness side)
10
1
6
14
5
12
13
4
11
7
2
3
8
9
AC310623
Connector: C-217
AB
3
4
5
1
2
Junction block side
<LHD>
Junction block (Front view)
AC310618
Connector: C-217
3
4
5
1
2
Junction block side
<RHD>
Junction block (Front view)
AB
AC310623
Connector: C-217
AB
3
4
5
1
2
Junction block side
<LHD>
Junction block (Front view)
AC310618
Connector: C-217
3
4
5
1
2
Junction block side
<RHD>
Junction block (Front view)
AB
AC310507BR
Connector C-217
(Junction block side)
3
4
5
1
2
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