Mitsubishi L200. Manual — part 837
TROUBLESHOOTING
CONTROLLER AREA NETWORK (CAN)
54C-107
Diagnosis Item 8: Diagnose when the M.U.T.-III cannot receive the data sent by steering wheel sensor.
<vehicles with ASTC>
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-108
FUNCTION
The diagnostic result demonstrates that "the M.U.T.-
III cannot receive the sent data from the steering
wheel sensor" when the M.U.T.-III checks the period-
ically sent data from each ECU.
TROUBLE JUDGEMENT CONDITIONS
M.U.T.-III judges the trouble when the periodically
sent data from steering wheel sensor cannot be
received.
TROUBLESHOOTING
CONTROLLER AREA NETWORK (CAN)
54C-109
PROBABLE CAUSES
• Damaged harness wires and connectors
• Power supply circuit malfunction of the steering
wheel sensor
• Malfunction of the steering wheel sensor
TROUBLESHOOTING
CONTROLLER AREA NETWORK (CAN)
54C-110
DIAGNOSIS PROCEDURE
STEP 1. Connector check: C-119 joint connector
(CAN1) and C-308 steering wheel sensor
connector
AC903853
BM
Connector: C-119 <LHD>
C-119 (GR)
AC903868
CM
Connector: C-119 <RHD>
C-119 (GR)
AC903858
Connector: C-308 <LHD>
AK
AC903869
Connector: C-308 <RHD>
AK
CAUTION
The strand end of the twist wire should be within
10 cm from the connector. For details refer to
.
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.
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