Mitsubishi Outlander GS45X. Manual — part 1285
DIAGNOSIS
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CONTROLLER AREA NETWORK (CAN)
54C-85
DIAGNOSTIC ITEM 8: Diagnose when the scan tool cannot receive the data sent by steering wheel
sensor <Vehicles with ASC>.
CAUTION
When servicing a CAN bus line, ground yourself by touching a metal object such as an unpainted
water pipe. If you fail to do so, a component connected to the CAN bus line may be damaged.
CAN Communication Circuit
ETACS-ECU
INTERFACE
CIRCUIT
CAN DRIVE
CIRCUIT
STEERING WHEEL
SENSOR
AWD-ECU
AWC-ECU
JOINT CONNECTOR
(CAN2)
JOINT CONNECTOR
(CAN3)
TRANSAXLE
CONTROL MODULE
ASC-ECU
ABS-ECU
ENGINE CONTROL
MODULE
:VEHICLES WITHOUT ASC
NOTE
:VEHICLES WITH ASC
:6A/T
:CVT
:ELECTRONIC CONTROLLED AWD
:S-AWC
DIAGNOSIS
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CONTROLLER AREA NETWORK (CAN)
54C-86
.
FUNCTION
If the scan tool MB991958 cannot communicate with
the steering wheel sensor, this diagnosis result will
be set.
.
TROUBLE JUDGMENT CONDITIONS
If a communication flag is not set for the steering
wheel sensor, the ETACS-ECU determines that there
is a failure.
.
TROUBLESHOOTING HINTS
• Malfunction of the connector [joint connector
(CAN2) or steering wheel sensor connector
improperly connected]
• Malfunction of the wiring harness [open circuit
between the steering wheel sensor and the joint
connector (CAN2), power supply circuit to the
steering wheel sensor]
• Malfunction of the steering wheel sensor
DIAGNOSIS
Required Special Tools:
• MB991223: Harness Set
• MB992006: Extra Fine Probe
STEP 1. Check joint connector (CAN2) C-04 and steering
wheel sensor connector C-209 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
CAUTION
The strand end of the twisted wire should be within 10 cm
(4 inches) from the connector. For details refer to
Q: Are joint connector (CAN2) C-04 and steering wheel
sensor connector C-209 in good condition?
YES : Go to Step 2.
NO : Repair the damaged parts.
AC901075 AP
Connector: C-04
AC900844AV
Connector: C-209
DIAGNOSIS
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CONTROLLER AREA NETWORK (CAN)
54C-87
STEP 2. Check the wiring harness between joint connector
(CAN2) C-04 and steering wheel sensor connector C-209
for open circuit.
CAUTION
Strictly observe the specified wiring harness repair proce-
dure. For details refer to
(1) Disconnect joint connector (CAN2) C-04 and steering wheel
sensor connector C-209, and check the wiring harness.
(2) Check the wiring harness between joint connector (CAN2)
C-04 (terminal No.4) and steering wheel sensor connector
C-209 (terminal No.3)
OK: Continuity exists (2 ohms or less)
(3) Check the wiring harness between joint connector (CAN2)
C-04 (terminal No.15) and steering wheel sensor connector
C-209 (terminal No.4)
OK: Continuity exists (2 ohms or less)
Q: Is the wiring harness between joint connector (CAN2)
C-04 and steering wheel sensor connector C-209 in
good condition?
YES : Check the power supply circuit of the steering wheel
sensor. Refer to GROUP 35C, Troubleshooting
.
NO : Repair the wiring harness between joint connector
(CAN2) C-04 and steering wheel sensor connector
C-209.
AC709707
AC709707
Harness side: C-04
MX
Harness side: C-209
TEST HARNESS
TEST HARNESS
AC709707
Harness side: C-04
MY
Harness side: C-209
TEST
HARNESS
TEST
HARNESS
DIAGNOSIS
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CONTROLLER AREA NETWORK (CAN)
54C-88
DIAGNOSTIC ITEM 9: Diagnose when the scan tool cannot receive the data sent by TCM <CVT, A/T>.
CAUTION
When servicing a CAN bus line, ground yourself by touching a metal object such as an unpainted
water pipe. If you fail to do so, a component connected to the CAN bus line may be damaged.
CAN Communication Circuit
ETACS-ECU
INTERFACE
CIRCUIT
CAN DRIVE
CIRCUIT
STEERING WHEEL
SENSOR
AWD-ECU
AWC-ECU
JOINT CONNECTOR
(CAN2)
JOINT CONNECTOR
(CAN3)
TRANSAXLE
CONTROL MODULE
ASC-ECU
ABS-ECU
ENGINE CONTROL
MODULE
:VEHICLES WITHOUT ASC
NOTE
:VEHICLES WITH ASC
:6A/T
:CVT
:ELECTRONIC CONTROLLED AWD
:S-AWC
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