1994 MITSUBISHI 3000GT alarm
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Downloaded from www.Manualslib.com manuals search engine iCHASSIS ELECTRICAL
- Theft-alarm System54-229
JS!SECURITYE-04@y&fiNAT! ON .$36
152
FUSIBLE LINK CE)m
z0alz!
r%BECATED
mCL
1
TO THE ECUTO THE HORN8. SECURITY LIGHT ACTIVATION CIRCUIT
Description of operation
If all doors are in locked state after key-less locking, the ECUtransistor is turned ON and the security light comes on.
Checking the security light activation circuit (Disconnect the
connector of the ECU and check at the wiring harness side.)Nor-
malMal-
stepCheck objectcondi-func-
Cause
Remedy
tiontion
1D-04connector12v ovterminal voltage 51Fuse (19) dam-Replaceaged or discon-the fusenetted
Harnessdam-Repair the
aged or discon-harnessnetted, or short-circuit
2D-04connector12v ovterminal voltage 52Damaged or dis-
Replaceconnected wiringthe bulbofSECURITYlight bulb
Harness
dam-Repair the
aged or discon-harnessnetted
3ECU terminal volt-12v ovHarnessdam-
age 57Repair the
aged or discon-harnessnetted, or short-circuit9. HORN RELAY POWER-SUPPLY CIRCUIT
Description of operationPower voltage is always supplied to the horn relay.
Checking the horn relay power-supply circuit (Disconnect the
horn relay)
connector terminal
Mal-func-CauseRemedytion
Fuse (3)
dam-Replace the
aged or discon-fusenetted
Damaged or dis-Repair the har-connected har-nessness
TSB Revision
Page 726 of 738
Downloaded from www.Manualslib.com manuals search engine .,i”i, LlNl Q10. HORN ACTIVATION CIRCUIT
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spored10.
Description of operation
The ECU transistor is turned ON if the vehicle door, etc. are
opened without use of the key.
This energizes the horn relay to activate the horn.
Checking the horn activation circuit (Disconnect the connector
of the ECU, then short-circuit terminal connector No.58, and
activate the horn relay.)
54-230CHASSIS ELECTRICAL - Theft-alarm System
z “2
EL? II A-as ’
I3 Ii3
c!
ig”‘“,1 u~cw ~ I A.,Op+J
x
6IZ)Y.l,.-”Step
1Check objectmatMal-
I Icondi- functionCauseRemedy
Horn relay termi-nalvoltage(4-Ground)12v ovMalfunction of
Check thethe horn relayhorn relay
(Refer to
P.54-118.)
Horn terminal volt-12v ovHarnessdam-age (LH & RH)Repair the
aged or discon-harness(1 -Ground)netted
Horn terminal volt-age (LH & RH)(1 -Ground)Nor-
1IItion
HornHornMalfunction ofReplacesoundoesn’tthe hornthe hornds (0 sound
V)(0 w
BatteryDamaged or dis-Repair thevoltageconnected wiringharness
of ground circuit
11. THEFT ALARM HORN RELAY POWER-SUPPLY
CIRCUIT
Description of operation
Power voltage is always supplied to theft alarm horn relay.
Checking the horn relay power-supply circuit (Disconnect the
theft alarm horn relay)Check object
THEFT ALARMHORNRELAYconnector terminal
voltage 1NormalMal-
condi-func-
CauseRemedy
tion
tion
12v
ovFuse (14)
dam-Replace the
aged or discon-fusenetted
Damaged or dis-Repair the har-connected har-nessness
TSB Revision
Page 727 of 738
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LCHASSIS ELECTRICAL
- Theft-alarm System54-231
Fwbklink (6)A-26
8=’ Theft-
alarm
ECUA 27
i
1 *horn
al
Z16FO342
TO Ecu
auO-U-RS4I2-YI
12. THEFT ALARM HORN ACTIVATION ClRCUlT
Description of operation
The ECU transistor is turned ON if the vehicle door, etc. are
opened without use of the key.
This energizes the theft alarm horn relay to activate the horn.
Checking the horn activation circuit (Disconnect the connector
of the ECU, then short-circuit terminal connector No. 58, and
activate the theft alarm horn relay.)
13. HEADLIGHT POWER-SUPPLY CIRCUIT
Description of operation
Power voltage is always supplied to the headlight relay.
Checking the headlight power-supply circuit (Disconnect the
headlight relay)
Check objectNormalMal-condi-func-CausetiontionRemedy
(Wiring
harness12 vovside) terminal volt-Fusible link (3)Replace theblownfusible link
age (5-Ground)Damaged or dis-Repair the har-connected har-nessness
1 TSB Revision
Page 728 of 738
Downloaded from www.Manualslib.com manuals search engine 54-232CHASSIS ELECTRICAL - Theft-alarm System
14. HEADLIGHT ACTIVATION CIRCUIT
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R
43-? -R5
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JOtaC-82 5w
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Description of operationThe ECU transistor is turned ON if the vehicles
door, etc. are opened without use of the key. This
energizes the headlight relay to active the headlight.Checking the headlight activation circuit (Disconnect
the connector of the ECU, then short-circuit terminalconnector 2, and activate the headlight relay.)
TSB Revision
Page 729 of 738
Downloaded from www.Manualslib.com manuals search engine CHASSIS ELECTRICAL - Theft-alarm Svstem54-233
1
2
3
cFronSW
1,
id
2
3
n
i
I1993
models>
Check object
NormalMal-
condi-function
tionHeadlight relay terminal voltage
(4-Ground)12v
OV
Headlightterminal12vOV
(3-Ground)voltageHeadlight
termi- Column switch: OV
nalvoltage Low
(1 -Ground)Column switch:12vHiHeadlight
termi- Column switch:12v
nalvoltage Low
(2-Ground)Column switch: OV
Hi
The
head-
light
isn’t
turned
on.1994
models>
Check object
NormalMal-
condi-function
tionHeadlight relay terminal voltage
(CGround)12vov
Headlightterminal
voltage12vov
(2-Ground)Headlight (HI)
terminal voltage
(1 -Ground)Headlight (LO)
terminal voltage
(2-Ground)
-r
/
Column switch:12v
LowColumn switch: OV
HiColumn switch: OV
LowThe
head-
light
isn’t
turned
on.Column switch: OV
HiCauseMalfunction of the
headlight relay
Harness damaged or
disconnectedMalfunction of the
headlight.
Harnessdamaged or discon-
nected. Malfunction of
column switch.
CauseRemedyMalfunction of the
headlight relay
Harness damaged or
disconnectedMalfunction of the
headlight.
Harnessdamaged or discon-
nected. Malfunction of
column switch.RemedyCheck the headlight
relay(Refer to
P.54-108.)
Repair the harness
Replace the headlight
orcolumnswitch.
Repair the harness.Check the headlight
relay(Refer to
P.54-108.)
Repair the harness
Replace the headlight
orcolumnswitch.
Repair the harness.
TSB Revision
Page 730 of 738
Downloaded from www.Manualslib.com manuals search engine 54-234CHASSIS ELECTRICAL - Theft-alarm System
15. STARTER RELAY ACTIVATION CIRCUIT
lgnlllonKey reminderBattery
switch (STIswtch
B-23l-
Starter motor
Lo03 52“:
&Y
. ..--N. OYa.’ ‘pa3
PI/l i M/T
Theft-
alarm
starter
relay
IC-56
A1
ECUm
PANWNEUTNLl. PONlTlON WITCH:1(prom 1993 NODEL)
:2cm2 N@nEL>216Fcas
Description of operationThe ECU transistor is turned ON if the vehicle door etc. are opened without use of the key. This turns
OFF the starter relay and power ceases to be supplied to the starter magnet switch.
Checking the starter relay activation circuit (Disconnect the connector of the ECU, depress fully the clutch
pedal and activate the starter relay)
SW
1
t
2Check object
Starter relay terminal voltage
(2-Ground)
Startermotor terminal
(1 -Ground)I
Normal
condition
12v
12v
:
Malfunc-
tion
ov
ov
Cause
Malfunction of the starter
relay
Harness damaged or dis-
connected:
Remedy
Check the starter relay
Repair the harness
(Starter motor connector B-24: Separation)
3Continuity between “B-24” 0
Q-clDamaged magnet switchReplace magnet switch
connector and ground
( TSB Revision
Page 735 of 738
Downloaded from www.Manualslib.com manuals search engine ALPHABETICAL INDEX5
STARTER MOTOR...................................16-23-11STARTING SYSTEM.................................16-19-11
STEERINGAngle Check.........................................37A-6-l
ANGULAR VELOCITY SENSOR.....................338-18-l
GEAR BOX, Power.................................37A-18-l
LINKAGE SEALS, Maintenance........................00-52-I
SHAFT...........................................37A-14-I
STEERING WHEEL.................................37A-14-l
Centering..........................................37A-7-l
Free Play Check
....................................37A-6-l
Return to Center Check..............................37A-9-lSTOP LIGHTHigh Mounted....................................54-107-11SWITCH..........................................338-19-ISTRUT..............................................33A-7-lSUN ROOF...........................................42-56-l
SUSPENSION
RearcAWD>...........................................34-26-l
Fog Light.........................................54-l 09-11Hazard..........................................54-110-11Horn.............................................54-118-11Ignition............................................54-6-11Ignition-lG........................................Refer to I
i
Ignition-ST.......................................Refer to IMuffler Mode Changeover.........................Refer to MParking Brake, Check.................................36-4-lPark/Neutral Position
Power Steering..................................Refer to PRear Window Defogger............................54-203-11Stop Light........................................338-l 9-lT
TAPE PLAYER
ANTI-THEFT SYSTEM..........................THEFT-ALARM SYSTEM.........................THERMOSTAT..................................THROTTLE BODY..............................THROTTLE BODY (Throttle Valve Area), Cleaning...THROTTLE POSITION SENSOR..................Adjustment...................................On-vehicle Inspection..........................TIE ROD END BALL JOINT.......................TIMING BELT...................................Maintenance.................................TIRE..........................................
TRAILING ARMcAWD>......................................
i:
.54-156-11.54-205-11. . . . .14-9-I13A-288-f13A-57-l338-l 9-l13A-57-l13A-98,221 -I. .37A-6-I. . . . .11-31-I. . . . .00-46-I. . . . . .31-4-l
34-32-l. .
34-11-I
.23-64-l22-19, 23-l
. . . . . .22-9-l.00-49-I. .
00-48-l
.23-55-l
OIL COOLER HOSES...............OIL COOLER TUBES................OIL SEAL
FLUID.............................
OILReplacement
TRIM...............................Door..............................TURBOCHARGER
U
UPPER ARM
.............................34-9-l
................22-17-l.................22-6-l.................32-5-l................23-62-l................23-62-l................23-62-l................22-16-l................22-22-l
. . . . . . . . . . . . . . .23-47-l
................22-15-l.................22-4-l...............52A-11-I................42-42-l
................15-20-I................15-23-l.................15-8-l.................15-6-l
.................15-8-l.........13A-169,271-l
V
VACUUM TANK
VAPOR LINE.........................................13F-8-I
VARIABLE INDUCTION CONTROL
MOTOR (DC Motor)...........................13A-174,276-l
SYSTEM, Check......................................15-5-lVEHICLE SPEED SENSORECS.............................................338-l 8-l
On-vehicle Inspection................13A-117, 119,231,233-lVENTILATION........................................55-3-l
SYSTEM, Positive Crankcase..........................17-56-lVALVE, Positive Crankcase............................17-56-lVENTILATORS (Air Inlet and Air Outlet)..................55-52-l
(Instrument Panel)...................................55-50-IVOLUME AIR FLOW SENSOR
Engine and Emission Control.........................17-65-lOn-vehicle Inspection..........................13A-85,212-l
W
..........................................
WASHERRear . . . . . . . . . .
Windshield . . . . . .
WATERPROOF FILM, DoorWATER PUMP . . . . .
WEATHERSTRIP, Drip LineWHEEL . . . .
ALIGNMENT
. . .51-28-I.51-25-l. . .42-42-l. . 14-11-l
. . . . .42-63-l. . .31-4-lFront .
.._.............................Rear
BEARING
. . . . .33A-6-l
. . . . .34-25-l. . . . . .34-5-lAdjustment . . . . . . . . . .. .
.33A-6-t
End Play Check
cFWD>. . . . . . . .27-3-L 34-6-lWHEEL SPEED SENSOR