Mitsubishi 6M70 Manuale di istruzioni

GROUP INDEX

GENERAL .............................................

ENGINE .................................................

LUBRICATION ......................................

FUEL AND ENGINE CONTROL ...........

COOLING ..............................................

INTAKE AND EXHAUST.......................

EMISSION CONTROL ..........................

Applicable models

Mitsubishi 6M70

Workshop

Manual

diesel engine

Mitsubishi 6M70

APPLICABLE SERVFICE BULLETINS FOR

THIS MANUAL INDEX

00-22

1. Diagnosis Codes

•Diagnosis codes indicate the faulty sections of the vehicle.

•A fault can be repaired by reading out the diagnosis code(s) stored in the control unit and performing the remedy

for that code(s).

•Diagnosis codes can be displayed in the following two methods. Select either of them according to the system to

be diagnosed.

•Using a Multi-Use Tester

•Using flashing of a warning lamp on meter cluster

•The table below indicates the systems for which diagnosis codes can be displayed and the methods usable for in-

dividual systems.

1.1 Systems and diagnosis code displaying methods

1.2 Types of diagnosis codes

•There are two types of diagnosis code output method depending on the system: one has a distinction of present

and past codes, and the other does not have such a distinction.

(1) The system that has a distinction of present and past diagnosis codes

(1.1) Present diagnosis code

•Fault developed in the vehicle after the starter switch is set to ON is indicated by corresponding diagnosis code.

•The fault warning lamp is lit at the same time.

(1.2) Past diagnosis code

•Past fault developed in the vehicle is indicated by corresponding diagnosis code stored in the memory of the elec-

tronic control unit.

•With the vehicle restored to its normal condition or the starter switch turned from OFF to ON after inspection or re-

pair against present diagnosis codes, the present diagnosis code is stored as past diagnosis codes in the memory

of the electronic control unit.

•When reading out the past diagnosis codes, the warning lamp does not illuminate as such codes do not indicate

the current fault.

(2) The system that does not have a distinction of present and past diagnosis codes

•The present and past diagnosis codes are displayed together without distinction.

Warning

lamp System

Diagnosis codes

displaying methods Reference

Multi-Use

Tester

Flashing of

warning lamp

Common rail

Turbocharger 15

Exhaust gas recirculation 17

Starter continuous energizing preventing function 54

Vehicle speed limiting (SLD) OO54

Auto cruise

– Full auto air conditioner O O 55

System Diagnosis code

With distinction of present and past Without distinction

Except below O –

Full auto air conditioner – O

DIAGNOSIS CODES

00-23

2. Reading and Erasing the Diagnosis Code

2.1 Using a Multi-Use Tester

(1) Connecting a Multi-Use Tester

Special tools

Mark Tool name and shape Part No. Application

Multi-Use Tester III

SOFTWARE DISC

FMS-E07-3*

(Multi-Use

Tester-III ver-

sion)

Installation of the Muti-Use-Tester-III

or version-up of the current version

into Multi-Use Tester-III SOFTWARE

DISC (Pub. No. SG0705A)

V.C.I. MH062927 Data transmission between electronic

control unit and PC

Multi-Use Tester test

Harness E

A: Harness for inspec-

tion and drive recorder

B: Harness for drive re-

corder

C: Drive recorder har-

ness

D: Cigarette lighter

plug harness

MH063659

A: MH063661

B: MH063663

C: MH063665

D: MH063666

Power supply to V.C.I. and communi-

cation with electronic control unit

Multi-Use Tester test

harness D

(used for extension)

MH062951 Multi-Use Tester test harness B ex-

tension

USB cable MH063668 Communication between V.C.I. and

SOFTWARE DISC

00-24

(1.1) To perform system inspection

•Move the starter switch to the LOCK position.

•Connect PC installed , , -A and as shown.

•Connect -A connector to the Multi-Use Tester connector on

the vehicle.

(1.2) To use drive recorder function

•Move the starter switch to the LOCK position.

•Connect PC installed , , -A, -C, -D and

as shown.

•Connect -C connector to the Multi-Use Tester connector on

the vehicle.

•Connect the cigarette lighter plug of -D to the cigarette light-

er socket on the vehicle.

(1.3) To extend the Multi-Use Tester test harness

•Connect to -A to extend the test harness to use the

Multi-Use Tester outside the vehicle.

DIAGNOSIS CODES

00-25

(2) Access of diagnosis code

•Set the starter switch to ON.

•Operate the Multi-Use Tester for a display of necessary diagnosis code stored in the memory of the electronic

control unit and identify the location of the fault.

(3) Clearing of diagnosis code

•Set the starter switch to ON (the engine not to be started).

•Operate the Multi-Use Tester to delete all the diagnosis codes stored in the memory of the electronic control unit.

2.2 Using flashing of a warning lamp on meter cluster

(1) Engine control, vehicle speed limiting (SLD), auto cruise

•Using the diagnosis and memory clear switches, display diagnosis codes.

CAUTION

• Opening the memory clear switch followed by its reconnection will erase the stored diagnosis codes from

the memory. To avoid inadvertently erasing necessary codes, be sure to read well the procedure de-

scribed below before handling diagnosis codes.

00-26

(1.1) Reading diagnosis codes

•To read a diagnosis code, observe how may times the warning

lamp flashes and how long each illumination lasts.

•The duration of illumination differs between the first and second

digits.

•Second digit: 1.2 sec.

•First digit: 0.4 sec.

•A diagnosis code consists of the flashing of second digit and the

flashing of first digit in that order. If a diagnosis code has “0” in

the second digit, only the first digit will be displayed.

•The diagnosis code 01 will be displayed if the system is normal.

•The same diagnosis code will be displayed 3 times in a row be-

fore moving to the display of the next code.

•After the last diagnosis code is displayed, the first code will be

displayed again 3 times in a row and then the subsequent

codes. This will be repeated.

(1.2) Present diagnosis codes

•Turn the starter switch ON.

•Remove the diagnosis switch.

•Present diagnosis codes will be displayed by flashing of the

warning lamp.

•When the diagnosis switch is connected, electronic control unit

will stop (terminate) displaying diagnosis codes.

(1.3) Present and past diagnosis codes

•Turn the starter switch to the ON position.

•Open the diagnosis switch.

•Present diagnosis codes will be displayed by flashing of the

warning lamp.

•Open the memory clear switch.

•Present and past diagnosis codes will be displayed by flashing

of the warning lamp.

•Turn the starter switch to the OFF position and connect the

memory clear switch and diagnosis switch to terminate the diag-

nosis code displaying mode.

(1.4) Erasing diagnosis codes

•Turn the starter switch to the ON position (do not start the en-

gine).

•Open the memory clear switch and reconnect it; all diagnosis

codes stored in electronic control unit memory will be erased.

To cancel diagnosis code erasure after opening the memory

clear switch, turn the starter switch to the OFF position and then

reconnect the memory clear switch.

DIAGNOSIS CODES

00-27

(2) Full automatic air conditioner

(2.1) Connection of LED for inspec-

tion

•Move the starter switch to the LOCK

position.

•Connect the LED for inspection to the

Multi-Use Tester connector.

CAUTION

• Air conditioner electronic control

unit and control panel has a backup

power supply to keep diagnostic

check results in memory. If this

power supply is cut off, with battery

cables disconnected, for example,

stored data are erased.

• Air conditioner electronic control

unit and control panel enters into

the mode of control during fault im-

mediately a fault occurs. In this

mode, control is effected to mini-

mize trouble arising from the fault.

(2.2) Reading and erasing diagnosis codes

•To read a diagnosis code, observe how may times the LED for

inspection flashes and how long each illumination lasts.

•The duration of illumination differs between the first and second

digits.

•Second digit: 1.5 sec.

•First digit: 0.5 sec.

•A diagnosis code consists of the flashing of second digit and the

flashing of first digit in that order. If a diagnosis code has “0” in

the second digit, only the first digit will be displayed.

•When two or more faults occur at a time, relevant diagnosis

codes are displayed repeatedly starting from the first Code.

•To erase a diagnosis code from the memory after inspection,

disconnect negative (–) battery cable and leave it disconnected

for more than 30 seconds.

00-28

•Use specified bolts and nuts. Tighten them to the torques shown below as appropriate, unless otherwise speci-

fied.

•Threads and bearing surfaces shall be dry.

•If the mating nut and bolt (or stud bolt) are different in level of strength, tighten them to the torque specified for the

bolt.

Hexagon Head Bolts and Stud Bolts (Unit: N·m {kgf·m})

Hexagon Head Flange Bolts (Unit: N·m {kgf·m})

Strength 4T 7T 8T

Identification

symbol

Nominal

diameter (stud) (stud) (stud)

M5 2 to 3

{0.2 to 0.3} –4 to 6

{0.4 to 0.6} –5 to 7

{0.5 to 0.7} –

M6 4 to 6

{0.4 to 0.6} –7 to 10

{0.7 to 1.0} –8 to 12

{0.8 to 1.2} –

M8 9 to 13

{0.9 to 1.3} –16 to 24

{1.7 to 2.5} –19 to 28

{2.0 to 2.9} –

M10 18 to 27

{1.8 to 2.7}

17 to 25

{1.8 to 2.6}

34 to 50

{3.5 to 5.1}

32 to 48

{3.3 to 4.9}

45 to 60

{4.5 to 6.0}

37 to 55

{3.8 to 5.7}

M12 34 to 50

{3.4 to 5.1}

31 to 45

{3.1 to 4.6}

70 to 90

{7.0 to 9.5}

65 to 85

{6.5 to 8.5}

80 to 105

{8.5 to 11}

75 to 95

{7.5 to 10}

M14 60 to 80

{6.0 to 8.0}

55 to 75

{5.5 to 7.5}

110 to 150

{11 to 15}

100 to 140

{11 to 14}

130 to 170

{13 to 17}

120 to 160

{12 to 16}

M16 90 to 120

{9 to 12}

90 to 110

{9 to 11}

170 to 220

{17 to 23}

160 to 210

{16 to 21}

200 to 260

{20 to 27}

190 to 240

{19 to 25}

M18 130 to 170

{14 to 18}

120 to 150

{12 to 16}

250 to 330

{25 to 33}

220 to 290

{23 to 30}

290 to 380

{30 to 39}

250 to 340

{26 to 35}

M20 180 to 240

{19 to 25}

170 to 220

{17 to 22}

340 to 460

{35 to 47}

310 to 410

{32 to 42}

400 to 530

{41 to 55}

360 to 480

{37 to 49}

M22 250 to 330

{25 to 33}

230 to 300

{23 to 30}

460 to 620

{47 to 63}

420 to 560

{43 to 57}

540 to 720

{55 to 73}

490 to 650

{50 to 67}

M24 320 to 430

{33 to 44}

290 to 380

{29 to 39}

600 to 810

{62 to 83}

540 to 720

{55 to 73}

700 to 940

{72 to 96}

620 to 830

{63 to 85}

Strength 4T 7T 8T

Identification

symbol

Nominal

diameter

M6 4 to 6

{0.4 to 0.6} –8 to 12

{0.8 to 1.2} –10 to 14

{1.0 to 1.4} –

M8 10 to 15

{1.0 to 1.5} –19 to 28

{2.0 to 2.9} –22 to 33

{2.3 to 3.3} –

M10 21 to 31

{2.1 to 3.1}

20 to 29

{2.0 to 3.0}

45 to 55

{4.5 to 5.5}

37 to 54

{3.8 to 5.6}

50 to 65

{5.0 to 6.5}

50 to 60

{5.0 to 6.5}

M12 38 to 56

{3.8 to 5.5}

35 to 51

{3.5 to 5.2}

80 to 105

{8.0 to 10.5}

70 to 95

{7.5 to 9.5}

90 to 120

{9 to 12}

85 to 110

{8.5 to 11}

TABLE OF STANDARD TIGHTENING TORQUES

00-29

Hexagon Nuts (Unit: N·m {kgf·m})

Hexagon Flange Nuts (Unit: N·m {kgf·m})

Strength 4T 6T

Identification

symbol

Nominal

diameter

Standard screw

thread

Coarse screw

thread Standard screw thread Coarse screw thread

M5 2 to 3

{0.2 to 0.3} –4 to 6

{0.4 to 0.6} –

M6 4 to 6

{0.4 to 0.6} –7 to 10

{0.7 to 1.0} –

M8 9 to 13

{0.9 to 1.3} –16 to 24

{1.7 to 2.5} –

M10 18 to 27

{1.8 to 2.7}

17 to 25

{1.8 to 2.6}

34 to 50

{3.5 to 5.1}

32 to 48

{3.3 to 4.9}

M12 34 to 50

{3.4 to 5.1}

31 to 45

{3.1 to 4.6}

70 to 90

{7.0 to 9.5}

65 to 85

{6.5 to 8.5}

M14 60 to 80

{6.0 to 8.0}

55 to 75

{5.5 to 7.5}

110 to 150

{11 to 15}

100 to 140

{11 to 14}

M16 90 to 120

{9 to 12}

90 to 110

{9 to 11}

170 to 220

{17 to 23}

160 to 210

{16 to 21}

M18 130 to 170

{14 to 18}

120 to 150

{12 to 16}

250 to 330

{25 to 33}

220 to 290

{23 to 30}

M20 180 to 240

{19 to 25}

170 to 220

{17 to 22}

340 to 460

{35 to 47}

310 to 410

{32 to 42}

M22 250 to 330

{25 to 33}

230 to 300

{23 to 30}

460 to 620

{47 to 63}

420 to 560

{43 to 57}

M24 320 to 430

{33 to 44}

290 to 380

{29 to 39}

600 to 810

{62 to 83}

540 to 720

{55 to 73}

Strength 4T

Identification

symbol

Nominal

diameter

Standard screw

thread

Coarse screw

thread

M6 4 to 6

{0.4 to 0.6} –

M8 10 to 15

{1.0 to 1.5} –

M10 21 to 31

{2.1 to 3.1}

20 to 29

{2.0 to 3.0}

M12 38 to 56

{3.8 to 5.6}

35 to 51

{3.5 to 5.2}

00-30

Tightening Torque for General-Purpose Flare Nut (Unit: N·m {kgf·m})

Tightening Torque for General-Purpose Air Piping Nylon Tube (DIN Type) (Unit: N·m

{kgf·m})

Tightening Torque for General-Purpose Air Piping Nylon Tube (SAE Type) (Unit: N·m

{kgf·m})

Pipe diameter φ4.76 mm φ6.35 mm φ8 mm φ10 mm φ12 mm φ15 mm

Tightening torque 17 {1.7} 25 {2.6} 39 {4.0} 59 {6.0} 88 {9.0} 98 {10}

Nominal diameter

×wall thickness 6 ×1 mm 10 ×1.25 mm 12 ×1.5 mm 15 ×1.5 mm

Tightening torque 20 {2.0 } 34 {3.5 } 49 {5.0 } 54 {5.5 }

Nominal diameter 1/4 in. 3/8 in. 1/2 in. 5/8 in.

Tightening torque 13 {1.3 } 29 {3.0 } 49 {5.0 } 64 {6.5 }

+0.6

+10

+1.0

+10

+1.0

+0.5

+0.4

+0.5

TABLE OF STANDARD TIGHTENING TORQUES

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