Mitsubishi Lancer Evolution IX. Manual — part 147
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-151
Q: Is the check result normal?
All the signals are received normally. :
Go to Step
4.
The ignition switch (IG1) signal is not received. :
Refer to inspection procedure L-1 "The
ignition switch (ACC) signal is not received
."
The vehicle speed signal (engine-ECU) is not
received. :
Refer to inspection procedure L-12
"The vehicle speed sensor signal is not
received
."
Step 4. Retest the system.
Check that the intermittent wiper interval depends on
the vehicle speed.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
Cope with Intermittent Malfunction
NO :
Replace the ETACS-ECU.
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-152
INSPECTION PROCEDURE F-7: The windshield washer does not work.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
FRONT-ECU
WINDSHIELD
WASHER MOTOR
WINDSHIELD
WASHER
RELAY
INPUT SIGNAL
WINDSHIELD WASHER
IGNITION
SWITCH (ACC)
Wire colour code
B : Black LG : Light green G : Green L : Blue
W : White Y : Yellow SB : Sky blue BR : Brown
O : Orange GR : Gray R : Red P : Pink V : Violet
Windshield Washer Motor Circuit
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-153
COMMENTS ON TROUBLE SYMPTOM
The windshield washer motor, the column switch or
the front-ECU may be defective.
POSSIBLE CAUSES
• Malfunction of the windshield washer motor
• Malfunction of the column switch
• Malfunction of the front-ECU
• Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
Step 1. Check the operation of the windshield
wipers.
Check that the windshield wipers work normally.
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Refer to Inspection Procedure F-1 "The
windshield wipers do not work at all
."
Step 2. Pulse check
Check the input signals below which are related to
the windshield wiper.
OK: The M.U.T.-II/III sounds or the voltmeter
needle fluctuates.
Q: Is the check result normal?
All the signals are received normally :
Go to Step
3.
The ignition switch (ACC) signal is not received. :
Refer to inspection procedure L-1 "The
ignition switch (ACC) signal is not received
."
Windshield washer switch signal is not received. :
Refer to inspection procedure L-5 "The
column switch (windshield wiper washer
and rear wiper washer switch) signal is not
received
."
Step 3. Connector check: F-18 windshield washer
motor connector
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Repair the connector.
Step 4. Check the windshield washer motor
assembly.
Refer to GROUP 51
− Windshield washer
.
Q: Is the check result normal?
YES :
Go to Step 5
NO :
Replace the windshield washer motor.
System switch
Check condition
Ignition switch (ACC)
When turned from the
LOCK (OFF) position to
the ACC position.
Windshield washer
switch
When the switch is
turned from off to on.
AC310467AF
Harness side
Connector: F-18 <LHD>
AC310469
AF
Harness side
Connector: F-18 <RHD>
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-154
Step 5. Resistance measurement at the F-18
windshield washer motor connector
(1) Disconnect the connector, and measure at the
wiring harness side.
(2) Continuity between F-18 windshield washer
motor connector terminal No.1 and body earth
OK: 2
Ω or less
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Go to Step 6.
Step 6. Check the wiring harness between F-18
windshield washer motor connector terminal
No.1 and body earth.
• Check the earth wires for open circuit.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
Cope with Intermittent Malfunction
NO :
Repair the wiring harness.
Step 7. Connector check: A-11X front-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 8.
NO :
Repair the connector.
AC310467AF
Harness side
Connector: F-18 <LHD>
AC310469
AF
Harness side
Connector: F-18 <RHD>
AC310506
2
1
Connector F-18
(Harness side)
AJ
AC310467AF
Harness side
Connector: F-18 <LHD>
AC310469
AF
Harness side
Connector: F-18 <RHD>
AC310572AC
Connector: A-11X
Relay box side
Battery
29
31 30
28 27
25
26
24
21
22
23
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