warning lights MITSUBISHI 3000GT 1996 2.G Workshop Manual

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Downloaded from www.Manualslib.com manuals search engine 54-I 0CHASSIS ELECTRICAL - Meters and Gauges
INDICATORS AND WARNING LIGHTS
Anti-lock brakin
NOTE(1) The values in parentheses denote SAE trade numbers.
(2) The *I
(3) The l 2symbol indicates vehicles with theft-alarm system.(4) The
*3
symbol indicates vehicles with Electronic Controlled Suspension.symbol indicates vehicles with Active Exhaust System.
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Downloaded from www.Manualslib.com manuals search engine 1. When operation is normal
l
When the ignition switch is switched to the
ON position, battery voltage is applied (viathe multipurpose fuse (11) and hazard
switch) to the turn-signal and hazard flasher
unit.l
When the turn-signal switch is switched to
the LH position,
Trl (within the flasher unit)
is switched ON and OFF repeatedly.
Then the contacts of the relay 1 (also within
the flasher unit) repeatedly switch from ON
to OFF, causing the turn-signal lights and
turn-signal indicator light LH to flash.l
When the turn-signal switch is switched to
the RH position, Tr2 (within the flasher unit)
is switched ON and OFF repeatedly.Then the contacts of relay 2 (also within
the flasher unit) repeatedly switch from ON
to OFF, causing the turn-signal lights and
turn-signal indicator light RH to flash.2. If one of the bulbs is burned out
lIf the LH (or RH) turn-signal light bulb is
burned-out, the resistance of the turn-signalcircuit as a whole increases, resulting in
Lshorter ON and OFF intervals of the LHTrl (or RH Tr2) and a higher flashing rateof the LH lights (or RH lights).CHASSIS ELECTRICAL
- Lighting System54-89
TURN-SIGNAL LIGHT AND HAZARD
L
LIGHT
OPERATION
lWhen the hazard-warning switch is switch-
ed to the “ON” position, the relay contactof the turn signal and hazard flasher unit
is switched ON and OFF repeatedly, in thesame manner as for the operation of the
turn-signal lights, and the left and right turn-
signal lights and turn-signal indicator lights
simultaneously flash repeatedly.
NOTE
(1) The number of flashes of the hazard-warn-
ing lights does not change if there is dam-
aged or disconnected wiring of one light.
(2)The light automatic shut-OFF system is valid
for the illumination light of the hazard switch.(Refer to
P.54-37.)
TROUBLESHOOTING HINTS
1.The turn-signal lights and hazard-warning lightsdo not operate at all.
l Check the hazard switch contact (power
supply side).l Check the turn-signal and hazard flasher
unit.2. All turn-signal lights at the left (or right) side
do not function.
(1) The hazard-warning lights function normal-
ly-lCheck the hazard switch contact (turn-
signal side).l Check the turn-signal switch.
3.The number of flashes of the turn-signal lights
is excessive.l Check the bulbs.
4. The hazard-warning lights do not function.
(1) The turn-signal lights function normally.l
Check the hazard switch contact (haz-
ard-warning light side).
NOTE
For the troubleshooting hints of the automatic lightshut-OFF system, refer to
P.54-37.
COMPONENT LOCATION
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Downloaded from www.Manualslib.com manuals search engine CHASSIS ELECTRICAL - Theft-alarm System54-223
Trouble symptom
Cause
Check method
Remedy
There is no alarm when, as analarm test, the hood is openedDamaged or disconnected
wiring of hood switch input
If input checks
Repairthe harness or re-
from within the vehicle.circuit.
(P.54-220) indicate aplace the hood switch.
(The alarm is activated, however,malfunction, check by
I
by opening a door or the liftgate.)using check chartMalfunction of the hood p.54-225.
switch.
Malfunction of the ECU.
-Replace the ECU.
Engine would not start [EngineThere is a short-circuit of
starting is possible when the the starter relay activationCheck by using check
chart P.54-234.
Repair the harness.
starter relay is in the switched-off
circuit
(normally closed) condition, with
the clutch switch in the switch-off
and the ECU harness connector
disconnected.]
When, as a test of the alarm, aDamaged or disconnectedCheck by using check
door or the
liftgate is opened wiring of headlight power chart P.54-231, 232.
Repairthe harness or re-
without using the key, orthe hood
is opened from within the vehicle,supply circuit or headlightplace the diode Ds.
activation circuitReplace the headlight
the horn and the theft-alarm hornrelay or the headlight.sound but the headlights don’t
flash. (The headlights can, how-
ever, be switched. ON by usingMa
lfunction of the ECUReplace the ECU.
the passing switch.)The headlights flash during an
alarm test but the horn orthe theftDamaged or disconnectedCheck by using checkRepair the harness.
alarm horn does not sound.wiring of horn relay power
chart P.54-229,230,231.supply circuit or horn ac-Replace the horn.
tivation circuitReplace dedicated fuse
Damaged or disconnectedNo. (6) or the fusible linkwiring of the theft-alarmNo. (6).horn relay power supply
circuit or the theft-alarm
horn activation circuit.
Malfunction of the ECU.
Replace the ECU.The system is not deactivated
nhen, during an alarm test in
Damaged or disconnected
If input checks
which the alarm is intentionallywiring of door key cylinder
Repair the harness.activated, the door or
liftgate isand
liftgate unlock switch(P.54-220) indicate a
input circuitmalfunction, check byReplace the key cylinder
Jnlocked by using the key.
using check chartswitch or the
liftgate
switch.
:The system also cannot be dis-P.54-227,228.
armed.)
Malfunction of door keycyl-inder and liftgate unlock
switch.
Malfunction of the ECU
Replace the ECU.
ECU: Electronic Control Unit
NOTEIf the
lifigate unlock switch or door key cylinder unlock switch is operated roughly, or if these switches have
been installed incorrectly or switches themselves are defective the ECU may not accept the warning or alarmcancelling signal. In such case, the alarm operation will take place when the door is opened using a key.
[When the door key cylinder switch has been shorted, however, if the ignition switch is turned ON, the ECU
judges the detection-switch as faulty and thereafter, it will prevent setting of (warning) alarm until the shorting
is corrected.]
If the
liftgate is opened using a key and is left opened when the door key cylinder switch system has a trouble
(wiring harness damage, open circuit, etc.), the ECU judges it as the
liftgate holding mode and does not producealarm even when the door is opened.
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