Mitsubishi Montero (2004+). Manual — part 688
SWS DIAGNOSIS
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-9
SWS communication line connecting method <SWS
monitor harness (for column-ECU)>
1. Ensure that the ignition switch is at the "LOCK" (OFF)
position.
2. Start up the personal computer.
3. Connect special tool MB991827 to special tool MB991824
and the personal computer.
4. Connect special tool MB991911 to special tool MB991824.
5. Connect special tool MB991911 to the data link connector.
6. Remove the steering column cover.
7. Remove the steering column switch connector.
8. Connect special tool MB991812 to column switch connector.
9. Connect special tool MB991812 to special tool MB991806.
10.Connect special tool MB991806 to special tool MB991824.
11.Turn the power switch of special tool MB991824 to the "ON"
position.
NOTE: When special tool MB991824 is energized, special
tool MB991824 indicator light will be illuminated in a green
color.
12.Start the MUT-III system on the personal computer.
AC307591 AB
MB991911
DATA LINK
CONNECTOR
MB991824
MB991827
AC102200
COLUMN SWITCH
CONNECTOR
COLUMN SWITCH
CONNECTOR AT
HARNESS SIDE
SWS MONITOR
HARNESS (FOR
COLUMN-ECU)
AB
AC208681
MB991806
AC
MB991812
MB991824
MB991911
MB991827
SWS DIAGNOSIS
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-10
HOW TO USE SWS MONITOR
M1549020400235
To carry out troubleshooting, operate scan tool
MB991958 (MUT-III Sub Assembly) as follows.
Interactive
Diagnosis
TIR
Technical Infomation
Retrieval
Tutorial
Maintenance
Power Down
Menu
Function Select Menu
CAN bus diagnosis
MUT-3 Function Select Menu
Special Function
System Select
POWERTRAIN
UNDER CAR
System Check
SRS-AIR BAG
AUTO A/C
ETACS
SWS
BODY
Select system
Drive Recorder
Drive Recorder
Simulated Vehicle Speed
Output
Actuator T
Actuator Test
est
SWS
Check Chart For Problem
Symptom
Select function
Self-diagnosis
Pulse Checking
Special Function
Voltmeter
Data List
Data List
SWS MONITOR
SWS
BODY
Pulse check
Pulse check
SWS
BODY
Simulated vehicle speed output
Pulse check
L
H
L
-10
0
SWS Ver. Destination
Item
Value
Ver. 0
Ver. 1
Ver. 2
Ver. 3
PASSENGER CAR
MMMA PRODUCTS (GALANT, ECLIPSE)
MINI CARS
SWS monitor
SWS monitor
SWS
BODY
Check SWS version and destination and press "OK" button.
SWS Ver.
SWS Destination
1
NAS
SWS Ver. List
Item
Information
AC207214
Maintenance
Meter
Diplay
Resistor
Start-up the MUT-III system.
Select "Interactive Diagnosis"
Select "System Select".
Select "SWS" from the "BODY" tab.
For the SWS monitor, select
"SWS MONITOR".
For the pulse check, select
"Pulse Checking".
Confirm the SWS version and destination
AB
To next page
SWS DIAGNOSIS
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-11
SWS monitor
ECU COMM Check
Function Diag.
SWS Ver.:1/SWS Destination:NAS
SWS
BODY
SWS monitor
Drive Recorder
Data List
SWS monitor
FCU COMM Check
SWS monitor
SWS
The number of item choices:4/4ECU, Group ECU COMM Check
The ECU which has been chosen
Name
Info.
No.
80
83
84
86
COLUMN ECU
ETACS ECU
FRONT ECU
SUNROOF ECU
The ECU which has been chosen
Name
Info.
No.
SWS monitor
ECU COMM Check
ECU COMM Check
Value
OK
OK
OK
OFF
-120
-100
-80
-60
-40
-20
0
-120
-100
-80
-60
-40
-20
0
-120
-100
-80
-60
-40
-20
0
-120
-100
-80
-60
-40
-20
0
ON
OFF
ON
OFF
ON
OFF
ON
OK
Graph
Info.
No.
80
83
84
86
Name
COLUMN ECU
ETACS ECU
FRONT ECU
SUNROOF ECU
"OK":Operating, "NG":Not operating or not installed.
SWS monitor
SWS
SWS Ver.:x/SWS Destinatino:NAS
SWS monitor
Data List
SWS monitor
SWS
Select an ECU.Choose the Select Item button, when you set up the display items.
ECU List
ECU
Info.
No.
1
COLUM ECU
2
ETACS
3
Front-ECU, P/W, S/R
SWS monitor
Data List
Data List Reference Table
Value
OFF
OFF
OFF
OFF
-120
-100
-80
-60
-40
-20
0
-120
-100
-80
-60
-40
-20
0
-120
-100
-80
-60
-40
-20
0
-120
-100
-80
-60
-40
-20
0
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Graph
Info.
No.
02
09
00
07
Name
DIMMER SW
FRONT WASH.SW
HEADLIGHT SW
HI WIPERSW
SWS monitor
SWS
SWS Ver.:x/SWS Destinatino:NAS
SWS monitor
Function Diag.
SWS monitor
SWS
Select Function.
Function Diag. List
Function
Info.
No.
1
WIPER
2
REAR WIPER
3
LIGHTING
4
TURN SIGNAL
5
BUZZER
SWS monitor
Function Diag.
SWS monitor
SWS
Select a detail function. Press Select Item button to set up the items.
Detail Function Diag. List
Detail Function
Info.
No.
1
F.WIPER INT
2
F.WIPER LO
3
F.WIPER HI
4
F.WIPER WASH
5
F.WIPER MIST
SWS monitor
Function Diag.
Highlighted No. doesn't meet operational requirements.
SWS monitor
SWS
SWS Ver.:x/SWS Destinatino:NAS
WIPER/F.WIPER HI
Value
OFF
OFF
OFF
OFF
-120
-100
-80
-60
-40
-20
0
-120
-100
-80
-60
-40
-20
0
-120
-100
-80
-60
-40
-20
0
-120
-100
-80
-60
-40
-20
0
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Graph
Info.
No.
09
07
05
06
Name
FRONT WASH.SW
(COLUMN ECU)
HI WIPERSW
(COLUMN ECU)
INT WIPERSW
(COLUMN ECU)
LO WIPERSW
(COLUMN ECU)
AC207215
For the data list, select
"Data List".
From previous page
For the ECU comm check, select
"ECU COMM Check".
For the function diagnosis, select
"Function Diag".
Press the "OK" button.
Select the ECU, and then press
the "OK" button.
Select the desired item from "Function
and then press the "OK" button.
Select the desired function from "Deta
Function", and then press the
"OK" button.
AB
SWS DIAGNOSIS
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-12
HOW TO CHECK ECUs
M1549014900424
1. Use the scan tool MB991958 (MUT-III Sub
Assembly) and the SWS monitor kit to check
ECUs. (Refer to MUT-III Operating Instructions)
2. The following ECUs can be checked by using the
scan tool and the SWS monitor kit.
NOTE: The "ECU COMM CHK" function checks a
communication status of ECUs "NG" does not
always mean ECU malfunction. If a malfunction is
found by the "ECU COMM CHK," proceed "Symptom
Procedure" (Refer to
).
SWS monitor kit-compatible ECUs and their conditions
NOTE:
.
•
*
1
: If the ignition switch is turned to the "LOCK"
(OFF) or "ACC" when "NG" is displayed beside
the "ETACS ECU" or the signal request line is
abnormal, the scan tool shows "NG" beside the
"COLUMN ECU."
•
*
2
: When "NG" is displayed beside the "ETACS
ECU," the scan tool shows "NG" beside the
"FRONT ECU" and "SUNROOF ECU."
•
*
3
: If "NG" is displayed beside the "COLUMN
ECU," "NG" is displayed on the "CENTER DISP."
SERVICE DATA CHECK
M1549015000446
1. Use the scan tool and the SWS monitor kit to
check "Service Data."
This "Service Data" check is applicable for
signals, which are transmitted and received
through the SWS communication line. For input
signals, which are not compatible with the SWS
monitor kit, refer to the Pulse Check procedure
(by using the scan tool or voltmeter)
.
2. The following input signals can be checked by
using the scan tool and the SWS monitor kit.
NOTE: If a problem is found in the "Service Data"
check, refer to the Problems during Input Signal
Check <SWS monitor>. (Refer to
ECUs TO BE CHECKED
DISPLAY ON SCAN
TOOL
NORMAL
CONDITION
ECU CONDITION
Column switch
(column-ECU)
COLUMN ECU
OK*
1
All of the column switch, power
supply, ground and interconnecting
communication line are normal
ETACS-ECU
ETACS ECU
OK
All of the ETACS-ECU switch, power
supply, ground and interconnecting
communication line are normal
Front-ECU
FRONT ECU
OK*
2
All of the front-ECU, power supply,
ground and interconnecting
communication line are normal
Sunroof motor assembly
(sunroof-ECU)
SUNROOF ECU
OK*
2
All of the sunroof motor assembly,
power supply, ground and
interconnecting communication line
are normal
RV meter
CENTER DISP.
OK*
3
All of the RV meter, power supply,
ground and interconnecting
communication line are normal
Other SWS-related ECUs
Other ECUs
NG
ECUs are not used
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