MITSUBISHI 380 2005 Workshop Manual
Page 1231 of 1500
HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS
GENERAL00-10
CURRENT TROUBLE
Indicates that the trouble is currently present. Carry 
out troubleshooting as described in the applicable 
inspection procedure.
PAST TROUBLE
Indicates that the trouble is historic, but normal oper-
ation has been restored. Observe the applicable 
inspection procedure with particular emphasis on 
connector(s) and wiring harness.
HARNESS INSPECTION
Check for an open or short circuit in the harness 
between the terminals which were faulty according to 
the connector measurements. Carry out this inspec-
tion while referring to GROUP 00E, Harness Con-
nector Inspection P.00E-2. Here, “Check harness 
between power supply and terminal xx” also includes 
checking for blown fuse. For inspection service 
points when there is a blown fuse, refer to "Inspec-
tion Service Points for a Blown Fuse P.00-16." 
Page 1232 of 1500
HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS
GENERAL00-11
MEASURES TO TAKE AFTER 
REPLACING THE ECU
If the trouble symptoms have not disappeared even 
after replacing the ECU, repeat the inspection proce-
dure from the beginning.
CONNECTOR MEASUREMENT SERVICE POINTSM1001013600063
Turn the ignition switch to the "LOCK" (OFF) position when 
connecting and disconnecting the connectors. Turn the ignition 
switch to "ON" when measuring, unless there are instructions 
to the contrary.
IF INSPECTING WITH THE CONNECTOR 
CONNECTED <WATERPROOF CONNECTORS>
Be sure to use special tool. Never insert a test  probe from the 
harness side, as this will reduce the waterproof performance 
and result in corrosion.
IF INSPECTING WITH THE CONNECTOR 
CONNECTED <ORDINARY (NON-WATERPROOF) 
CONNECTORS>
Check by inserting the multi-meter test  probe from the harness 
side. Note that if the connector (control unit, etc.) is too small to 
permit insertion of the test  probe, it should not be forced; use 
the test  probe tool for this purpose. 
Page 1233 of 1500
HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS
GENERAL00-12
IF INSPECTING WITH THE CONNECTOR 
DISCONNECTED <WHEN INSPECTING A 
FEMALE PIN>
Required Special Tool:
MB991219: Inspection Harness (Included in MB991223, 
Harness Set)
The special tool MB991219 for connector pin contact pres-
sure should be used. The test  probe should never be forc-
ibly inserted, as it may cause a defective contact.
From back side of the connector (SRS-ECU harness side 
connector)
Since the SRS-ECU harness connector is plated to improve 
conductivity, observe the warning below when checking this 
connector.
Insert the test probe tool into the connector from the 
harness side, and connect the tester to the test  probe 
tool. If any tool other than the test  probe tool is used, 
it may cause damage to the harness and other com-
ponents. Furthermore, measurement should not be 
carried out by touching the test  probe tool directly 
against the terminals from the front of the connector. 
The terminals are plated to increase their conductiv-
ity, so that if they are touched directly by the test  
probe tool, the plating may break, which will decrease 
reliability. 
IF INSPECTING WITH THE CONNECTOR 
DISCONNECTED <WHEN INSPECTING A MALE 
PIN>
At this time, be careful not to short the connector pins with 
the test  probes. Doing so may damage the circuits inside 
the ECU.
Touch the pin directly with the test  probe. 
Page 1234 of 1500
HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS
GENERAL00-13
CONNECTOR INSPECTION SERVICE POINTSM1001013700060
VISUAL INSPECTION
Connector is disconnected or improperly connected
Connector pins are pulled out
Stretched an broken wires at terminal section
Low contact pressure between male and female terminals
Low connection pressure due to rusted terminals or foreign 
matter lodged in terminals
.
CONNECTOR PIN INSPECTION
If the connector pin stopper is damaged, the terminal connec-
tions (male and female pins) will not be perfect even when the 
connector body is connected, because the pins may pull out of 
the back side of the connector. Therefore, gently pull the wires 
one by one to make sure that no pins pull out of the connector.
. 
Page 1235 of 1500
HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS
GENERAL00-14
CONNECTOR ENGAGEMENT INSPECTION
Required Special Tool:
MB991219: Inspection Harness (contained in MB991223 
Test Harness)
Use special tool MB991219 to inspect the engagement of the 
male pins and female pins. [Pin drawing force: 1 N (0.2 pound) 
or more]
HOW TO COPE WITH INTERMITTENT 
MALFUNCTIONS
M1001013900064
Most intermittent malfunctions occur under certain conditions. If 
those conditions can be identified, the cause will be easier to 
find.
.
TO COPE WITH INTERMITTENT MALFUNCTION;
1. ASK THE CUSTOMER ABOUT THE 
MALFUNCTION
Ask what it feels like, what it sounds like, etc. Then ask about 
driving conditions, weather, frequency of occurrence, and so 
on.
.
2. DETERMINE THE CONDITIONS FROM THE 
CUSTOMER'S RESPONSES
Typically, almost all intermittent malfunctions occur from condi-
tions like vibration, temperature and/or moisture change, poor 
connections. From the customer's responses, it should be rea-
soned which condition is most likely.
.
3. USE SIMULATION TEST
Use the simulation tests below to attempt to duplicate the cus-
tomer's complaint. Determine the most likely circuit(s) and per-
form the simulation tests on the connectors and parts of that 
circuit(s). Be sure to use the inspection procedures provided for 
diagnostic trouble codes and trouble symptoms.
For temperature and/or moisture condition related intermittent 
malfunctions, try to change the conditions of the suspected cir-
cuit components, then use the simulation tests below.
. 
Page 1236 of 1500
HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS
GENERAL00-15
4. VERIFY THE INTERMITTENT MALFUNCTION IS 
ELIMINATED
Repair the malfunctioning part and try to duplicate the condi-
tion(s) again to verify the intermittent malfunction has been 
eliminated.
.
SIMULATION TESTS
NOTE: In case of difficulty in finding the cause of the intermit-
tent malfunction, the data recorder function in the 
DIAGNOSTIC TOOL (MUT-III) is effective.
For these simulation tests, shake, then gently bend, pull, and 
twist the wiring of each of these examples to duplicate the inter-
mittent malfunction.
Shake the connector up-and-down, and right-and-left.
Shake the wiring harness up-and-down, and right-and-left. 
Especially, check the splice points of wiring harnesses care-
fully. Refer to GROUP 00E, Harness Connector Inspection 
P.00E-2.
Shake the part or sensor. 
Page 1237 of 1500
HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS
GENERAL00-16
INSPECTION SERVICE POINTS FOR A BLOWN 
FUSE
M1001013800067
Remove the blown fuse and measure the resistance between 
the load side of the blown fuse and the ground. Close the 
switches of all circuits which are connected to this fuse. If the 
resistance is almost 0 
 at this time, there is a short some-
where between these switches and the load. If the resistance is 
not 0 
, there is no short at the present time, but a momentary 
short has probably caused the fuse to blow.
The main causes of a short circuit are the following.
Harness being clamped by the vehicle body
Damage to the outer casing of the harness due to wear or 
heat
Water getting into the connector or circuitry
Human error (mistakenly shorting a circuit, etc).
HOW TO TREAT CURRENT TROUBLEM1001014000020
1. Make a note of the diagnostic trouble code, and erase it.
2. Check the trouble symptom again.
3. Check for diagnostic trouble codes again.
4. If a diagnostic trouble code is set, follow the applicable 
Diagnostic Trouble Code Chart.
5. If no diagnostic trouble code is set, refer to "How to Cope 
with Intermittent Malfunction  P.00-14."
HOW TO TREAT PAST TROUBLEM1001014100050
1. Establish from the customer whether a fuse or connector 
has been replaced or disconnected.
2. If yes, erase the diagnostic trouble code, and then check 
that no diagnostic code is reset. If no diagnostic trouble 
code is reset, the diagnosis is complete.
3. If no, follow the applicable Diagnostic Trouble Code Chart. 
Then check the wiring harness and connector, and refer to 
"How to Cope with Intermittent Malfunction P.00-14." 
Page 1238 of 1500
AFFILIATED DTC REFERENCE TABLE
GENERAL00-17
AFFILIATED DTC REFERENCE TABLEM1001013000027
For vehicles with CAN, when DTC which influences 
the transmission data is set to the ECU which sends 
the data, DTC also could be set to the ECU which 
receives and controls the transmission data. The 
table below shows the relativity of DTC between 
ECUs.
AFFILIATED 
DTC’s                                              RESULTS
   P0513    P2138    TBA    U1120    U1100    U1110
       U1120       X        -        X        -        -        -
       U1100       -        -        -        -        -        -
       U1120       X        X        X        X        -        X
       U1110       -        -        -        -        -        -
       TBA       -        -        -        -        -        - 
Page 1239 of 1500
VEHICLE IDENTIFICATION
GENERAL00-18
VEHICLE IDENTIFICATION
VEHICLE IDENTIFICATION NUMBERM1001000401028
    The vehicle identification number (VIN) is stamped on the 
bulkhead in the engine compartment and also on the compli-
ance plate itself. It provides information for vehicle identification 
purposes and should be quoted when ordering parts or in any 
correspondence related to the vehicle
NO. ITEM CONTENT
1 Geographic Area
6:   Australia
2 Country within 
Geographic areaM:  Australia
3 Manufacturer
M:  Mitsubishi Motors
4 Car line
D:  380
5Series
B:  Series
6 Engine/ 
Transmission 
combinations1:  3.8 litre MPI <unleaded fuel>        
(5-speed manual)
4: 3.8 litre MPI <unleaded fuel> 
(5-speed A/T)
7Price class
D:  380
V:  380VRX
X:  380GT
H:  380LS,  380LX(full option pack)
8 Body Type
41:  Sedan
9Year
5:  2005
10 Assembly Plant
T:  Tonsley Park
11 Body number 000001 to 999999 
Page 1240 of 1500
VEHICLE IDENTIFICATION
GENERAL00-19
                                               VEHICLE INFORMATION NUMBER LIST
NOTE:  ** = Becomes 380LX as a full option pack.
                                               VEHICLE COMPLIANCE PLATE
The Compliance Plate is attached to the bulkhead 
(adjacent to the Data Plate) in the engine compart-
ment and must never be removed from the vehicle All vehicles are manufactured to confirm to specific 
safety, environmental or consumer protective 
requirements as defined by the Australian Design 
Rules (ADR). DL1ASNLERJ DL1ASYLERJ DL1ASNHERJ DL1ASYHERJ DL1ASYXERJ DL1ASYDERJ
380   5M/T 
SEDAN380   5A/T 
SEDAN380VRX  5M/T  
SEDAN380VRX  5A/T 
SEDAN380GT   5A/T  
SEDAN380LS**   5A/T 
SEDAN
DB1D41 DB4D41 DB1V41 DB4V41 DB4X41 DB4H41