Mitsubishi L200. Manual — part 785
ETACS
CHASSIS ELECTRICAL
54A-507
Q: Is the diagnosis code set?
YES :
Replace the ETACS-ECU and register the
ID codes (Refer to
). After
replacing the ECU, carry out the CAN bus
diagnostics. Then go to Step 5.
NO :
A poor connection, open circuit or other
intermittent malfunction is present in the
CAN bus lines between the RV meter and
the ETACS-ECU (Refer to GROUP 00, How
to Use Troubleshooting/Inspection Service
Points
− How to Cope with Intermittent
Malfunctions ).
STEP 5. Check whether the diagnosis code is
reset.
Recheck if the diagnosis code is set to the ETACS-
ECU.
(1) Erase the diagnosis code.
(2) Turn the ignition switch from "LOCK" (OFF)
position to "ON" position.
(3) On completion, check that the diagnosis code is
reset.
Q: Is the diagnosis code set?
YES :
Return to Step 1.
NO :
The procedure is complete.
Code No.U1150: Vehicle speed failure information
COMMENTS ON TROUBLE SYMPTOM
The ETACS-ECU receives the vehicle speed signal
from the engine-ECU via the CAN bus line. When the
received vehicle speed signal contains the failure
information, the diagnosis code No. U1150 is stored.
PROBABLE CAUSES
• Malfunction of the vehicle speed sensor
• Malfunction of the engine-ECU
• Malfunction of the ETACS-ECU
• Malfunction of the CAN bus
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III CAN bus diagnostics
Use the M.U.T.-III to diagnose the CAN bus lines.
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Repair the CAN bus line (Refer to GROUP
54C
− Troubleshooting ). On completion, go
to Step 3.
STEP 2. Check the diagnosis code of the engine-
ECU.
Check that the engine-ECU set a diagnosis code.
Q: Is the diagnosis code set?
YES :
Diagnose the engine-ECU. Refer to
GROUP 13A
− Troubleshooting . On
completion, go to Step 3.
NO :
Go to Step 3.
STEP 3. Check whether the diagnosis code is
reset.
Check again if the diagnosis code is set to the
ETACS-ECU.
(1) Erase the diagnosis code.
(2) Turn the ignition switch from "LOCK" (OFF)
position to "ON" position.
(3) On completion, check that the diagnosis code is
reset.
Q: Is the diagnosis code set?
YES :
Replace the ETACS-ECU and register the
ID codes (Refer to
). After
replacing the ECU, carry out the CAN bus
diagnostics.
NO :
The procedure is complete.
DATA LIST REFERENCE TABLE
M1545001300550
Use the M.U.T.-III to check "Service Data."
NOTE: If a problem is found in the "Service Data"
check, refer to the Check Trouble by Using the
Input Signal Check (Refer to
1. The following input signals can be checked by
using the M.U.T.-III.
INPUT SIGNALS WHICH CAN BE CHECKED BY
SERVICE DATA
Item No. Item name
Check condition
Normal condition
19
Driver's door switch
Driver's door: Open
ON
Driver's door: Closed
OFF
ETACS
CHASSIS ELECTRICAL
54A-508
20
Driver's door unlock switch
When driver's door is unlocked
ON
Other than above
OFF
21
Driver's door lock switch
When driver's door is locked
ON
Other than above
OFF
22
Electric folding door mirror SW
Not used
OFF
25
Front wiper auto stop switch
When windshield wipers are in
operation
ON
Other than above
OFF
26
Hazard warning lamp switch
While hazard switch is pressed
ON
Other than above
OFF
27
Rear wiper auto stop switch
Not used
OFF
28
Steering lock switch
When the ignition key is removed from
the ignition key cylinder
ON
When the ignition key is inserted into
the ignition key cylinder
OFF
29
Ignition switch(ACC)
When the ignition switch is turned to
the "ACC" or "ON" position.
ON
Other than above
OFF
30
Ignition switch(IG1)
When the ignition switch is turned to
the "ON" or "START" position.
ON
Other than above
OFF
44
Ignition switch(IG2)
When the ignition switch is turned to
the "ON" position.
ON
Other than above
OFF
45
Shift position "R" input
Not used
OFF
48
Passenger's door switch
Front passenger's door: Open
ON
Front passenger's door: Closed
OFF
49
Rear door switch
Rear door or tailgate: Open
ON
Rear door or tailgate: Closed
OFF
50
Driver's seatbelt(Buckle SW)
Driver's seat belt: unfastened
ON
Driver's seat belt: fastened
OFF
51
Passenger seatbelt(Buckle SW)
Passenger's seat belt: unfastened
ON
Passenger's seat belt: fastened
OFF
52
Gate opener switch
When the tailgate lock release handle
is turned to the "ON" position.
ON
Other than above
OFF
55
Battery voltage
Always
System voltage
56
Remain of head lamp timer
When headlamp automatic-shutdown
function is operating
Displays the time
58
Vehicle speed signal
Perform a run of the vehicle.
Displays the vehicle
speed
Item No. Item name
Check condition
Normal condition
ETACS
CHASSIS ELECTRICAL
54A-509
59
Tail lamp output
When the tail lamp illuminates.
ON
Other than above
OFF
60
Headlamp output
When the headlamp (low-beam)
illuminates.
ON
Other than above
OFF
61
Headlamp HI output
When the headlamp (high-beam)
illuminates.
ON
Other than above
OFF
62
Turn-signal lamp (LH) output
When the turn-signal lamp (LH)
illuminates.
ON
Other than above
OFF
63
Turn-signal lamp (RH) output
When the turn-signal lamp (RH)
illuminates.
ON
Other than above
OFF
64
Headlamp washer output
When the headlamp washer operates. ON
Other than above
OFF
65
Front wiper output
When the front wiper operates.
ON
Other than above
OFF
66
Front wiper HI output
When the windshield wiper (high-
speed) operates.
ON
Other than above
OFF
67
Front washer output
When the windshield washer
operates.
ON
Other than above
OFF
68
Door "LOCK" output
When the door is in the "lock" state.
ON
Other than above
OFF
69
Door "UNLOCK" output
When the door is in the "unlock" state. ON
Other than above
OFF
70
Front fog lamp
When the front fog lamp illuminates.
ON
Other than above
OFF
71
Rear fog lamp
When the rear fog lamp illuminates.
ON
Other than above
OFF
72
Room lamp output
When the room lamp illuminates.
ON
Other than above
OFF
73
Horn
Not used
OFF
74
Buzzer
When the buzzer sounds.
ON
Other than above
OFF
75
IG key cylinder ILL. output
When the ignition key cylinder
illumination lamp illuminates.
ON
Other than above
OFF
Item No. Item name
Check condition
Normal condition
ETACS
CHASSIS ELECTRICAL
54A-510
CHECK CHART FOR TROUBLE
SYMPTOMS
M1545001200069
76
Illuminations power supply
When the illumination lamp of clock or
manual air conditioner illuminates.
ON
Other than above
OFF
77
Power window relay output
When the ignition switch is turned to
the "ON" position.
ON
Other than above
OFF
78
Door indicator output
When the door indicator illuminates.
ON
Other than above
OFF
79
Seatbelt indicator output
When the door indicator illuminates.
ON
Other than above
OFF
80
All of the door switch output
Not used
OFF
81
Shift position "P" output
Not used
OFF
83
Rear washer output
Not used
OFF
84
Rear wiper output
Not used
OFF
86
Intermittent wiper interval
When the intermittent wiper operates. Displays the time
87
Gate opener output
When the tailgate open actuator
operates.
ON
Other than above
OFF
88
ELC.folding mirror(OPEN)output
Not used
OFF
89
ELC.folding mirror(CLOSE)output Not used
OFF
90
Security alarm sensor input
Not used
OFF
91
Hood switch
Not used
OFF
101
Driver's key unlock switch
Not used
OFF
102
Security alarm history
Not used
OFF
103
Rear defogger switch
Not used
OFF
104
Auto lamp sensor voltage
When the ignition switch is turned to
the "ON" position.
Displays the voltage
of the auto-light
sensor.
105
Security indicator output
When the security indicator
illuminates.
ON
Other than above
OFF
106
Rear defogger output
Not used
OFF
107
DRL output
Not used
OFF
Item No. Item name
Check condition
Normal condition
Symptom
Inspection
procedure
number
Reference
page
When the ignition switch is at the "LOCK" (OFF) position, the functions
do not work normally.
A-1
Check the battery power supply circuit to the ETACS-ECU.
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