Mitsubishi Colt Ralliart. Manual — part 398
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-100
Step 7. Retest the system.
Check that the windshield wipers stop at the speci-
fied park position.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
).
NO :
Replace the ETACS-ECU.
INSPECTION PROCEDURE F-4: The windshield wipers 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 windshield wiper motor, the column switch or the
ETACS-ECU may be defective.
POSSIBLE CAUSES
• Malfunction of the windshield wiper motor
• Malfunction of the column switch
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
Windshield Wiper Motor Drive Circuit
ETACS-ECU
J/B SIDE
CIRCUIT
BREAKER
WIPER SPEED
SWITCHING
RELAY
WINDSHIELD
WIPER MOTOR
INPUT SIGNAL
· WINDSHIELD WIPER HI SPEED SWITCH
· WINDSHIELD WIPER INTERMIT SWITCH
· WINDSHIELD WIPER LO SPEED SWITCH
· WINDSHIELD WIPER MIST SWITCH
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
Main
Index
Group
TOC
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-101
Step 1. SWS monitor data list
Check the SWS communication signal, which are
related to the windshield wipers.
<Selected item> Column switch (column-ECU)
• Ignition switch: ON
• Move the windshield wiper switch to each posi-
tion.
OK: Normal conditions are displayed for all
the functions of the switch.
Q: Are the check result normal?
YES :
Go to Step 2.
NO :
Refer to Inspection Procedure N-5 "Column
switch (windshield wiper/washer and rear
wiper washer switch) signal is not received
."
Step 2. Connector check: A-04 windshield wiper
motor connector.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Repair the defective connector.
Step 3. Check the windshield wiper motor
assembly.
Refer to GROUP 51
− Windshield wiper
.
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Replace the windshield wiper motor
assembly.
Step 4. Retest the system.
Check that the windshield wipers work normally by
moving the switch to HI or MIST position.
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Go to Step 8.
Step 5. Connector check: B-134 ETACS-ECU
connector.
Q: Is the check result normal?
YES :
Go to Step 6.
NO :
Repair the defective connector.
Item No.
Item name
Normal
condition
Item 31
IG SW(ACC)
ON
Item 05
INT WIPER SW
ON
Item 06
LO WIPER SW
ON
Item 07
HI WIPER SW
ON
Item 08
MIST WIPER SW
ON
AC313860
Connector: A-04
Harness side
AB
A-04 (GR)
AC313872 AH
Connector: B-134
Harness side
Junction block (Rear view)
Main
Index
Group
TOC
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-102
Step 6. Check the wiring harness between B-134
ETACS-ECU connector terminal No.8 to A-04
windshield wiper motor connector terminal No.4.
NOTE:
Prior to the wiring harness inspection, check junction
block connector B-112, and repair if necessary.
• Check the output lines for open circuit.
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the wiring harness.
Step 7. Retest the system.
Check that the windshield wipers work normally by
moving the switch to each position.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
).
NO :
Replace the ETACS-ECU.
Step 8. Connector check: B-134 ETACS-ECU
connector.
Q: Is the check result normal?
YES :
Go to Step 9.
NO :
Repair the defective connector.
AC313860
Connector: A-04
Harness side
AB
A-04 (GR)
AC313872 AH
Connector: B-134
Harness side
Junction block (Rear view)
AC313870
Connector: B-112
BE
Junction block (Front view)
Harness side
AC313872 AH
Connector: B-134
Harness side
Junction block (Rear view)
Main
Index
Group
TOC
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-103
Step 9. Check the wiring harness between B-134
ETACS-ECU connector terminal No.7 to A-04
windshield wiper motor connector terminal No.1.
NOTE:
Prior to the wiring harness inspection, check junction
block connector B-112, and repair if necessary.
• Check the output lines for open circuit.
Q: Is the check result normal?
YES :
Go to Step 10.
NO :
Repair the wiring harness.
Step 10. Retest the system.
Check that the windshield wipers work normally by
moving the switch to each position.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
).
NO :
Replace the ETACS-ECU.
AC313860
Connector: A-04
Harness side
AB
A-04 (GR)
AC313872 AH
Connector: B-134
Harness side
Junction block (Rear view)
AC313870
Connector: B-112
BE
Junction block (Front view)
Harness side
Main
Index
Group
TOC
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст