Mitsubishi Grandis. Manual — part 57
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-225
Step 3. Customize function by using the SWS
monitor.
Use the SWS monitor customize function to confirm
that "SPEED SEN WIP" is set to "W.FUNCTION".
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.
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 the "SPEED SEN WIP" to
"W.FUNCTION" (Refer to GROUP 54C
−
Step 4. Retest the system.
(1) Replace the ETACS-ECU.
(2) Check that the vehicle speed-dependent
intermittent wiper system should work 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 combination meter.
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-226
Inspection Procedure G-7: The windshield washer does not work.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
COMMENTS ON TROUBLE SYMPTOM
The windshield washer motor, the column switch or
the front-ECU may be defective.
POSSIBLE CAUSES
• Malfunction of the windshield washer motor
• Malfunction of the column switch
• Malfunction of the front-ECU
• Damaged harness wires and connectors
Windshield Washer Motor Circuit
FRONT-ECU
WINDSHIELD
WASHER MOTOR
WINDSHIELD
WASHER
RELAY
INPUT SIGNAL
WINDSHIELD WASHER
IGNITION
SWITCH (ACC)
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
REAR
WASHER
RELAY
ETACS-ECU
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-227
DIAGNOSIS PROCEDURE
Step 1. Check the operation of the windshield
wipers.
Check that the windshield wipers work normally.
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Refer to Inspection Procedure G-1 "The
windshield wipers does not work at all
Step 2. Pulse check
Check the input signals below which are related to
the windshield wiper.
OK: The MUT-III sounds or the voltmeter
needle fluctuates.
Q: Are the check result normal?
All the signals are received normally :
Go to Step
The ignition switch (ACC) signal is not received. :
Refer to inspection procedure Q-1 "The
ignition switch (ACC) signal is not received
Windshield washer switch signal is not received. :
Refer to inspection procedure Q-7 "The
column switch (windshield wiper washer
and rear wiper washer switch) signal is not
received
."
Step 3. Connector check: A-34 windshield
washer motor connector
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Repair the connector.
Step 4. Check the windshield washer motor
assembly.
Refer to GROUP 51
− Windshield washer
Q: Is the check result normal?
YES :
Go to Step 5
NO :
Replace the windshield washer motor.
System switch
Check condition
Ignition switch
(ACC)
When turned from the LOCK
(OFF) position to the ACC
position.
Windshield
washer switch
When the switch is turned from
off to on.
AC310401
Connector: A-34 <LHD>
Harness side
A-34 (GR)
AF
AC310396
Connector: A-34 <RHD>
Harness side
A-34 (GR)
AF
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-228
Step 5. Check the wiring harness between A-34
windshield washer motor connector terminal
No.2 and C-220 ETACS-ECU connector terminal
No.23.
NOTE:
Prior to the wiring harness inspection, check the
intermediate connector C-125 and repair if
necessary.
• Check the earth wires for open circuit.
Q: Is the check result normal?
YES :
Go to Step 6.
NO :
Repair the wiring harness.
Step 6. Connector check: A-15X front-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the connector.
AC310401
Connector: A-34 <LHD>
Harness side
A-34 (GR)
AF
AC310396
Connector: A-34 <RHD>
Harness side
A-34 (GR)
AF
AC310626
Connector: C-220 <LHD>
Junction block (Rear view)
AE
Harness side
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
AC310620
Connector: C-220 <RHD>
Junction block (Rear view)
AD
Harness side
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
AC310613
AD
Connector: C-125 <LHD>
AC310628AB
Connector: C-125 <RHD>
AC311521AC
Connector: A-15X
Relay box side
21
22
23
24
25
26
27
28
29
30
31
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст