Mitsubishi L200. Manual — part 819
TROUBLESHOOTING
CONTROLLER AREA NETWORK (CAN)
54C-35
terminal No.3 (CAN_H) and body earth
OK: 4.0 V or less
AC209365
AC209365
AC209365
Test
harness
AC209365
AC209365
AC209365RV
Harness side: C-119
(4) Voltage between C-119 joint connector (CAN1)
terminal No.14 (CAN_L) and body earth
OK: 4.0 V or less
(5) Disconnect the negative battery terminal.
CAUTION
Strictly observe the specified wiring harness
repair procedure. For details refer to
Q: Is the check result normal?
YES :
<4.0 V or less> Go to Step 18.
NO :
<More than 4.0 V> Go to Step 17.
STEP 17. M.U.T.-III CAN bus diagnostics [steering
wheel sensor connector disconnected]
AC903858
Connector: C-308 <LHD>
AK
AC903869
Connector: C-308 <RHD>
AK
(1) Disconnect steering wheel sensor connector C-
308, and diagnose by using the M.U.T.-III.
ACA01247
: Red section on screen
AB
ETACS
DISPLAY
ABS/ASC
SAS
YR/G
A/C
AT
ENGINE
JC
JC
M.U.T.
(2) Diagnose CAN bus lines, and check if M.U.T.-III
screen is as shown in the illustration.
Q: Does M.U.T.-III screen correspond to the
illustration?
YES :
Repair the wiring harness between joint
connector (CAN1) and the steering wheel
sensor connector.
NO :
Check the steering wheel sensor connector,
and repair if necessary. If the steering wheel
sensor connector is in good condition, repair
the steering wheel sensor power supply
circuit.
TROUBLESHOOTING
CONTROLLER AREA NETWORK (CAN)
54C-36
STEP 18. Check the CAN line between joint
connector (CAN1) and the G and yaw rate sensor.
Voltage measurement at C-119 joint connector
(CAN1).
CAUTION
A digital multimeter should be used. For details
refer to
CAUTION
The test wiring harness should be used. For
details refer to
AC903853
BM
Connector: C-119 <LHD>
C-119 (GR)
AC903868
CM
Connector: C-119 <RHD>
C-119 (GR)
(1) Disconnect joint connector (CAN1), and measure
at the wiring harness side.
(2) Connect the negative battery terminal, and turn
the ignition switch to the ON position.
AC209365
AC209365
AC209365
AC209365
AC209365RW
Harness side: C-119
Test harness
(3) Voltage between C-119 joint connector (CAN1)
terminal No.4 (CAN_H) and body earth
OK: 4.0 V or less
AC209365
AC209365
AC209365
Test harness
AC209365
AC209365
AC209365RX
Harness side: C-119
(4) Voltage between C-119 joint connector (CAN1)
terminal No.15 (CAN_L) and body earth
OK: 4.0 V or less
(5) Disconnect the negative battery terminal.
CAUTION
Strictly observe the specified wiring harness
repair procedure. For details refer to
Q: Is the check result normal?
YES <vehicles without A/C> :
<4.0 V or less> Go
to Step 22.
YES <vehicles with A/C> :
<4.0 V or less> Go to
Step 20.
NO :
<More than 4.0 V> Go to Step 19.
STEP 19. M.U.T.-III CAN bus diagnostics [G and
yaw rate sensor connector disconnected]
AC903853
BN
Connector: C-144 <LHD>
C-144 (GR)
Harness side
AC903865 AV
Connector: C-144 <RHD>
C-144 (GR)
Harness side
(1) Disconnect G and yaw rate sensor connector C-
TROUBLESHOOTING
CONTROLLER AREA NETWORK (CAN)
54C-37
144, and diagnose by using the M.U.T.-III.
ACA01247
: Red section on screen
AB
ETACS
DISPLAY
ABS/ASC
SAS
YR/G
A/C
AT
ENGINE
JC
JC
M.U.T.
(2) Diagnose CAN bus lines, and check if M.U.T.-III
screen is as shown in the illustration.
Q: Does M.U.T.-III screen correspond to the
illustration?
YES :
Repair the wiring harness between joint
connector (CAN1) and the G and yaw rate
sensor connector.
NO :
Check the G and yaw rate sensor
connector, and repair if necessary. If the G
and yaw rate sensor connector is in good
condition, repair the G and yaw rate sensor
power supply circuit.
STEP 20. Check the CAN line between joint
connector (CAN1) and the A/C-ECU. Voltage
measurement at C-119 joint connector (CAN1).
CAUTION
A digital multimeter should be used. For details
refer to
CAUTION
The test wiring harness should be used. For
details refer to
.
AC903853
BM
Connector: C-119 <LHD>
C-119 (GR)
AC903868
CM
Connector: C-119 <RHD>
C-119 (GR)
(1) Disconnect joint connector (CAN1), and measure
at the wiring harness side.
(2) Connect the negative battery terminal, and turn
the ignition switch to the ON position.
AC209365
AC209365
AC209365
AC209365
AC209365RY
Harness side: C-119
Test harness
(3) Voltage between C-119 joint connector (CAN1)
TROUBLESHOOTING
CONTROLLER AREA NETWORK (CAN)
54C-38
terminal No.6 (CAN_H) and body earth
OK: 4.0 V or less
AC209365
AC209365
AC209365
Test harness
AC209365
AC209365
AC209365RZ
Harness side: C-119
(4) Voltage between C-119 joint connector (CAN1)
terminal No.17 (CAN_L) and body earth
OK: 4.0 V or less
(5) Disconnect the negative battery terminal.
CAUTION
Strictly observe the specified wiring harness
repair procedure. For details refer to
Q: Is the check result normal?
YES :
<4.0 V or less> Go to Step 22.
NO :
<More than 4.0 V> Go to Step 21.
STEP 21. M.U.T.-III CAN bus diagnostics [A/C-
ECU connector disconnected]
AC903856BS
Connector: C-43 <LHD>
Harness side
AC903868
CN
Connector: C-43 <RHD>
Harness side
(1) Disconnect A/C-ECU connector C-43, and
diagnose by using the M.U.T.-III.
ACA01247
: Red section on screen
AB
ETACS
DISPLAY
ABS/ASC
SAS
YR/G
A/C
AT
ENGINE
JC
JC
M.U.T.
(2) Diagnose CAN bus lines, and check if M.U.T.-III
screen is as shown in the illustration.
Q: Does M.U.T.-III screen correspond to the
illustration?
YES :
Repair the wiring harness between joint
connector (CAN1) and the A/C-ECU
connector.
NO :
Check the A/C-ECU connector, and repair if
necessary. If the A/C-ECU connector is in
good condition, repair the A/C-ECU power
supply circuit. (Refer to GROUP 55B .)
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст