Mitsubishi L200. Manual — part 781
DEFOGGER SWITCH
CHASSIS ELECTRICAL
54A-491
REAR WINDOW DEFOGGER RELAY
CHECK
M1540500600031
DEFOGGER SWITCH
REMOVAL AND INSTALLATION
M1540600200030
Refer to GROUP 55A, Heater control assembly and
A/C switch .
AC510090
AC
4
1
2
3
Junction
block
<LHD>
3
1
4
2
Rear window
defogger relay
AC510088
AC
4
1
2
3
Junction
block
<RHD>
3
1
4
2
Rear window
defogger relay
Battery voltage
Tester
connection
Specified
condition
Not supplied
3
− 4
Open
circuit
• Connect terminal 1
to the positive
battery terminal
• Connect terminal 2
to the negative
battery terminal
3
− 4
Continuity
exists (2
Ω
or less)
ETACS
CHASSIS ELECTRICAL
54A-492
ETACS
SPECIAL TOOLS
M1545000600053
ETACS
CHASSIS ELECTRICAL
54A-493
Tool
Number
Name
Use
MB991955
A: MB991824
B: MB991827
C: MB991910
D: MB991911
E: MB991825
F: MB991826
M.U.T.-III sub-
assembly
A: Vehicle
Communication
Interface (V.C.I.)
B: M.U.T.-III USB
cable
C: M.U.T.-III main
harness A
(Vehicles with CAN
communication
system)
D: M.U.T.-III main
harness B
(Vehicles without
CAN
communication
system)
E: M.U.T.-III measure
adapter
F: M.U.T.-III trigger
harness
CAUTION
For vehicles with CAN
communication, use M.U.T.-III
main harness A to send
simulated vehicle speed. If you
connect M.U.T.-III main harness
B instead, the CAN
communication does not
function correctly.
Checking ETACS-ECU (service
data and diagnosis codes)
MB991223
A: MB991219
B: MB991220
C: MB991221
D: MB991222
Harness set
A: Check harness
B: LED harness
C: LED harness
adapter
D: Probe
Continuity check and voltage
measurement at harness wire or
connector
A: For checking connector pin
contact pressure
B: For checking power supply
circuit
C: For checking power supply
circuit
D: For connecting a locally
sourced tester
MB991910
MB991826
MB991955
MB991911
MB991824
MB991827
MB991825
A
B
C
D
E
F
DO NOT USE
MB991223
A
D
C
B
AZ
DO NOT USE
ETACS
CHASSIS ELECTRICAL
54A-494
TROUBLESHOOTING
DIAGNOSIS TROUBLESHOOTING FLOW
M1545000900032
Refer to GROUP 00
− Contents of Troubleshooting .
DIAGNOSIS FUNCTION
M1545001000043
HOW TO READ DIAGNOSIS CODE
Use the M.U.T.-III to read diagnosis code (Refer to
GROUP 00
− Diagnosis Function ).
NOTE: Connect the M.U.T.-III to the 16-pin diagnosis
connector (black).
HOW TO ERASING DIAGNOSIS CODE
Use the M.U.T.-III to erasing diagnosis code (Refer to
GROUP 00
− Diagnosis Function ).
NOTE: Connect the M.U.T.-III to the 16-pin diagnosis
connector (black).
CHECK OF FREEZE FRAME DATA
To detect fault and store the diagnosis code, the
ETACS-ECU obtains data before the confirmation of
the diagnosis code and data when the diagnosis
code is confirmed, and then stores the current condi-
tion of the ETACS-ECU. By analysing each data from
M.U.T.-III, the troubleshooting can be performed
more efficiently. Display items of the freeze frame
data are as follows.
Display item list
NOTE:
*
: Total elapsed time can be stored up to
65534 minutes. The display of M.U.T.-III is fixed to
65534 minutes after 65534 minutes have elapsed.
Or, if the battery is disconnected, the total elapsed
time cannot be measured properly. Thus, 65535 min-
utes (null value) is displayed. Since the value is cal-
culated according to the information from the
ETACS-ECU, a proper value may not be displayed
when the ETACS-ECU time-out has ocurred.
DIAGNOSIS CODE CHART
M1545001101065
MB992006
Extra fine probe
Continuity check and voltage
measurement at harness wire or
connector
Tool
Number
Name
Use
MB992006
Item No.
Item name
Data item
Unit
2
Ignition cycle
Number of times the ignition switch is turned
"ON" or "LOCK (OFF)" after the past failure
transition.
Number of
counts is
displayed.
3
Elapsed time
Total elapsed time after a diagnosis code is
generated
min
*
4
Accumulated minute
Cumulative time for current malfunction of
diagnosis code
min
Code No.
Diagnostic item
Reference page
B1702
Immobilizer
system
Reception error of key ID
B1703
Key ID inconsistent
B1722
Transponder antenna failure
B1731
Communication error with the engine-ECU
B1761
Chassis No. not recorded
B1766
Transponder registered for other vehicle
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