Mitsubishi Lancer Evolution IX. Manual - part 151
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-167
Step 3. Pulse check
Check the input signals below, which are related to
the headlamp automatic shutdown function.
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
4.
The ignition switch (IG1) signal is not received. :
Refer to inspection procedure L-2 "The
ignition switch (IG1) signal is not received
."
The driver's door switch signal is not received. :
Refer to inspection procedure L-3 "The door
switch (front: LH) signal is not received <LH
drive vehicles>
inspection procedure L-3 "The door switch
(front: RH) signal is not received <RH drive
vehicles>
The tail lamp switch signal is not received. :
Refer
to inspection procedure L-4 "The column
switch (lighting and turn-signal lamp switch)
signal is not received
Step 4. Retest the system.
Replace the ETACS-ECU, and then check that the
headlamp automatic shutdown function works nor-
mally.
(1) Replace the ETACS-ECU.
(2) Check that the headlamp automatic shutdown
function works normally.
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 front-ECU.
System switch
Check condition
Ignition switch (IG1)
When turned from ACC
to ON
Driver's door switch
When the driver's door is
opened
Tail lamp switch
When the lighting switch
is turned to the TAIL
position