Mitsubishi Evolution X. Manual — part 1154
TROUBLESHOOTING
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LOCAL INTERCONNECT NETWORK (LIN)
54B-9
DTC U0215: P/W SW (DR) LIN timeout
CAUTION
Before replacing the ECU, ensure that the communication circuit is normal.
Power Window Main Switch LIN Communication Circuit
ETACS-
ECU
INTERFACE
CIRCUIT
LIN DRIVE
CIRCUIT
CPU
POWER WINDOW
MAIN SWITCH
JOINT
CONNECTOR (2)
AC708950BR
C-129 (BR)
C-102 (B)
Connectors: C-102, C-129
AC708972AY
Connector: C-301
ETACS-ECU
AC608167AF
Connector: E-15
TROUBLESHOOTING
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LOCAL INTERCONNECT NETWORK (LIN)
54B-10
.
TROUBLE JUDGMENT
The ETACS-ECU receives signal from the power
window main switch. If signal cannot be received at
all, DTC U0215 will be set.
.
TECHNICAL DESCRIPTION (COMMENT)
Current trouble
• Connector(s) or wiring harness in the LIN bus
lines between the power window main switch and
the ETACS-ECU, the power supply system of the
power window main switch, or the power window
main switch itself may be defective.
Past trouble
• If DTC U0215 is stored as a past trouble, carry
out diagnosis with particular emphasis on wiring
and connector(s) in the LIN bus line between the
power window main switch and the ETACS-ECU,
and the power supply system of the power win-
dow main switch.
.
TROUBLESHOOTING HINTS
• The power window main switch may be defective.
• The wiring harness or connectors may have
loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector.
DIAGNOSIS
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: Vehicles Communication Interface (V.C.I.)
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A (Vehicles with
CAN communication system)
STEP 1. Check ETACS-ECU connector C-301 and power
window main switch connector E-15 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Are ETACS-ECU connector C-301 and power window
main switch connector E-15 in good condition?
YES : Go to Step 2.
NO : Repair or replace the damaged component(s).
TROUBLESHOOTING
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LOCAL INTERCONNECT NETWORK (LIN)
54B-11
STEP 2. Check the wiring harness between ETACS-ECU
connector C-301 (terminal 1) and power window main
switch connector E-15 (terminal 7).
NOTE: Also check joint connector C-102 and intermediate con-
nector C-129 for loose, corroded, or damaged terminals, or ter-
minals pushed back in the connector. If joint connector C-102
or intermediate connector C-129 is damaged, repair or replace
the connector as described in GROUP 00E, Harness Connec-
tor Inspection
.
Q: Is the wiring harness between ETACS-ECU connector
C-301 (terminal 1) and power window main switch
connector E-15 (terminal 7) in good condition?
YES : Go to Step 3.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary.
STEP 3. Recheck for diagnostic trouble code.
Check again if the DTC is set to the ETACS-ECU.
AC608435
Data link connector
MB991827
MB991824
MB991910
AB
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958. Refer to "How to connect the
Scan Tool (M.U.T.-III)
(2) Erase the DTC.
(3) Turn the ignition switch to the "ON" position.
(4) Check if the DTC is set.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?
YES : Replace the power window main switch.
NO : A poor connection, open circuit or other intermittent
malfunction is present in the LIN bus lines between
the power window main switch and the ETACS-ECU
(Refer to GROUP 00, How to Cope with Intermittent
Malfunction
).
TROUBLESHOOTING
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LOCAL INTERCONNECT NETWORK (LIN)
54B-12
DTC U0231: Rain light sensor LIN timeout <Vehicles with auto light function>
CAUTION
Before replacing the ECU, ensure that the communication circuit is normal.
Lighting Control Sensor LIN Communication Circuit
ETACS-
ECU
INTERFACE
CIRCUIT
LIN DRIVE
CIRCUIT
LIGHTING
CONTROL
SENSOR
AC708972AI
Connector: C-316
Junction block
AC708954 AI
Connector: D-02
.
TROUBLE JUDGMENT
The ETACS-ECU receives signal from the lighting
control sensor. If signal cannot be received at all,
DTC U0231 will be set.
.
TECHNICAL DESCRIPTION (COMMENT)
Current trouble
• Connector(s) or wiring harness in the LIN bus
lines between the lighting control sensor and the
ETACS-ECU, the power supply system of the
lighting control sensor, or the lighting control sen-
sor itself may be defective.
Past trouble
• If DTC U0169 is stored as a past trouble, carry
out diagnosis with particular emphasis on wiring
and connector(s) in the LIN bus line between the
lighting control sensor and the ETACS-ECU, and
the power supply system of the lighting control
sensor.
.
TROUBLESHOOTING HINTS
• The lighting control sensor may be defective.
• The wiring harness or connectors may have
loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector.
DIAGNOSIS
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: Vehicles Communication Interface (V.C.I.)
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