Mitsubishi L200. Manual — part 833

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-91

Diagnosis Item 6: Diagnose when the M.U.T.-III cannot receive the data sent by RV meter <vehicles
with RV meter>

CAUTION

When servicing a CAN bus line, earth yourself by touching a metal object such as an unpainted water
pipe. If you fail to do, a component connected to the CAN bus line may be broken.

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White
Y : Yellow SB : Sky blue BR : Brown O : Orange GR : Grey
R : Red P : Pink V : Violet PU : Purple SI : Silver

A/T-ECU

DIAGNOSIS
CONNECTOR

ENGINE-ECU

STEERING
WHEEL
SENSOR

G AND
YAW RATE
SENSOR

A/C-ECU

ABS-ECU

ASTC-ECU

ETACS-ECU

RV METER

NOTE

:VEHICLES WITH ABS
:VEHICLES WITH ASTC
:VEHICLES WITH RV METER
:VEHICLES WITH AUTOMATIC-A/C
:LHD
:RHD
:A/T

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-92

FUNCTION
The diagnostic result demonstrates that "the M.U.T.-
III cannot receive the sent data from the RV meter
<vehicles with RV meter>" when the M.U.T.-III
checks the periodically sent data from each ECU.

TROUBLE JUDGEMENT CONDITIONS
M.U.T.-III judges the trouble when the periodically
sent data from RV meter <vehicles with RV meter>
cannot be received.

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-93

PROBABLE CAUSES

• Damaged harness wires and connectors

• Power supply circuit malfunction of the RV meter

• Malfunction of the RV meter <vehicles with RV

meter>

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-94

DIAGNOSIS PROCEDURE

STEP 1. Connector check: C-119 joint connector
(CAN1) and C-171 RV meter connector <vehicles
with RV meter>

AC903853

BM

Connector: C-119 <LHD>

C-119 (GR)

AC903868

CM

Connector: C-119 <RHD>

C-119 (GR)

AC903856

Connector: C-171 <LHD>

AY

Harness side

C-171 (GR)

AC903868

Connector: C-171 <RHD>

BQ

Harness side

C-171 (GR)

CAUTION

The strand end of the twist wire should be within
10 cm from the connector. For details refer to

P.54C-7

.

AC209350

1

12

2

13

3

14

4

15

5

16

6

17

7

18

8

19

9

20

10

21

11

22

AC209350

1

12

2

13

3

14

4

15

5

16

6

17

7

18

8

19

9

20

10

21

11

22

AC

Short pin

When checking the joint connector, ensure that its
wiring harness side and its short pins are not dam-
aged.

Q: Is the check result normal?

YES :

Go to Step 2.

NO :

Repair the defective connector. Replace the
joint connector as necessary.