1991 MITSUBISHI 3000GT lock

42-10
BODY - Troubleshooting
CENTRAL DOOR LOCKING SYSTEM
CIRCUIT DIAGRAM
E-22 2If
J/V .L.L
g:s
B
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Im
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2019151817,---~~--~~-------.---- _____I ,--,L-,
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35-AC-Rll02-NU
M42EBFHI
DOOR LOCK
POWER RELAY
J
E-13
%l:VEHICLES WITHOUT POWER WINDOWX2:VEHICLES WITH POWER WINDOW
\,3~
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>dTSB RevisionI

BODY - TroubleshootingI
42-11 ~
L/DOOR LOCK
POWER RELAY
A
I
2
Ei
J/E
51 CONNECTOR_--____-
-11
ETACS UNITC-66
____ ----____-----_-i-
I>22
II
I
I
I
I
II
I
I
IL____--- ----I
41460s3
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s
CLd
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4*310X4
Tci
It
----------L
6*3m
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-I
[#&iLARM
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WITH;t;Z;iALARMI
I3
5
2
ir-c-34
4--
112~3~4~5(6~7E 19 ~10~11~12~13[1f
I-
Z3:VEHICLES WITHOUT THEFT-ALARM SYSTEMs4:VEHICLES WITH THEFT-ALARM SYSTLM
N-I)(LH:DOOR
TWITCHTSB Revision

42-12
BODY - Troubleshooting
OPERATIONl When the door lock switch is set to the LOCK side (or
UNLOCK side), the LOCK side (or UNLOCK side) of the
door lock relay is turned ON and the door actuators of
alIsadoors operate.
lIf the driver seat side door (or assistant seat side door) is
opened and the driver seat side inside lock knob (or
assistant seat side inside lock knob) is locked with the key
inserted in the ignition switch, the ETACS unit grounds the
unlock side circuit of the door lock relay to unlock all doors.
This way, failure to remove the key is prevented.
NOTEThe door lock actuator contains a PTC thermister to prevent
damage caused by overheating of the motor. If the central
door lock is frequently used, the actuator may temporarily
fail to operate. If it returns to normal in a few minutes, it is
not defective.
TROUBLESHOOTING HINTS
1. One of the door lock actuators fails to operate.
l Check the door actuator which fails to operate.
2. The ignition key reminder system does not function.
l For information concerning ETACS control, refer to
P.42-55.

42-18ENGINE HOODBODY
- Engine Hood
M42HAAV
REMOVAL AND INSTALLATION5Nm
9Nm’7 ft.lbs.12 Nm\ /8 ft.lbs.
16FO12716FO261
16A0755
1. Hood latch2. Hood lock release handle3. Hood lock release cable4. Hood weatherstrip (Front)
5. Hood weatherstrip (Rear)
l a6. Bumper A (Body side)I)*7. Bumper A (Hood side)l * 8. BumperB
9. Bumper
10. Hood side weatherstrip (LH)11. Hood side weatherstrip (RH)12. Heat protector panel
13. Heat protector
14. Hood garnish assembly
15. Hood switch (Vehicles with theft-alarm
sys-tern)16. Engine room inspection light
17. Inspection light switchHood hinge removal steps
Washer tube (Refer to GROUP 51 -Wind-shield Wiper and Washer.)
18. inspection light wiring harness19. Hood gas spring20. Hood21. Hood hinge
Caution1.Never try to disassemble the hood gas spring or burn
it.
2.Always bore a hole in the gas spring to release the
interior gas before the spring is discarded.TSB Revision

BODY - Liftgate42-21
Liftgate lock release cable and handle removal steps
Scuff plate (driver’s side)(Refer to GROUP 52A-Trims.)
9. Release handle cover10. Liftgate lock release handleQuarter trim
Rear side trim(Refer to GROUP
Rear end trim
I52A -Trims.)
11.
Liftgate latch
12. Liftgate lock release cable
Liftgate latch removal steps
Rear end trim(Refer to GROUP 52A-Trims.)
11. Liftgate latch
Liftgate striker removal steps
Liftgate trim
(Refer to GROUP 52A-Trims.)13.
Liftgate strikerLiftgate lock cylinder removal steps
Rear end trim(Refer to GROUP 52A-Trims.)
Rear combination light
I
fRefer to GROUP 51 -Rear panel garnish,Garnishes and
Mouldings.)
14.
Liftgate lock cylinder switch
15. Retainer
16.
Liftgate lock cylinder
Caution1.Never try to disassemble the liftgate gas spring or burn
it.
2.Always bore a hole in the gas spring to release the
interior gas before the spring is discarded.
18FOO89
Press
18F008E
18FOO63
INSPECTION
LIFTGATE LATCH SWITCH
(I) Unlock the liftgate latch.
(2) Check the continuity between the terminals.
)I
NOTEO-O indicates that there is continuity between the terminals.
LIFTGATE LOCK CYLINDER SWITCHCheck the continuity between the terminals.
11
NOTEO-O indicates that there is continuity between the terminals.
SERVICE POINT OF INSTALLATION1. INSTALLATION OF BUMPER
Install the bumper so that the amount of projection from theliftgate is as shown in the illustration.
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42-22BODY - Fuel Tank Filler Door
FUEL TANK FILLER DOOR
REMOVAL AND INSTALLATION
M42JAAS
Pre-removal and Post-installationOperationl Removal and Installation of Rear
Side Trim, Quarter Trim and Scuff Plate
(Referto GROUP 52A-Trims.)
18FOO86
18FOO69Removal steps
1. Fuel filler door
2. Fuel filler door hook
3. Release handle cover
4. Fuel filler door lock release handle
5. Fuel filler door lock release cableLA’TSB Revision

BODY - Power Window42-43
/;i
$
Diagnosis connector-Gr&nd
ETkCS ‘6R”38
Nith voltmeter-.___
1Withmulti-use tester
POWER WINDOWM42MHAH
TROUBLESHOOTING GUIDE
INPUT CHECK
Using the multi-use tester or voltmeter, check whether or not
the input signals from each switch are being input to the
ETACS unit.
(I), Connect the multi-use tester to the diagnosis check
connector located at the right side of the junction block or
connect the voltmeter between the ETACS terminal and
the ground terminal.
(2) Check if the buzzer of the multi-use tester sounds or the
needle of the voltmeter moves when each switch noted
below is operated.
If the buzzer sounds or the needle moves, the input signals
are being input to the ETACS unit, so that switch can be
considered to be functioning normally. If not, the switch or
switch input circuit is faulty. Check the switch and the
switch input circuit.
l Ignition switch
l Door switch
TROUBLESHOOTING QUICK-REFERENCE TABLE
For information concerning the locations of electrical components, refer to
P.42-51.
ProblemThe power windows do not operateNhen
the ignition switch is at the“ON” position.Probable cause
Damaged or discon-netted wiring of the
ignition switch input
circuitCheck method
If a malfunction is in-dicated as a result of
checking the input
signals, check by fol-
lowing individual part
and the circuit check
No. 2 procedures(P.42-46).Remedy
Repair the wiring
harness.
Damaged or discon-Check by following
in-Repair the wiring har-
netted wiring of thedividual part and theness, or replace thepower window relaycircuit check No. 3power window relay.
activation circuitprocedures (P.42-47).
Malfunction of the
-Replace the electron-electronic control unitic control unit.
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BODY - Power Window
L/CHECKING INDIVIDUAL PART AND CIRCUIT
1. ETACS POWER-SUPPLY AND GROUND CIRCUITSBattery
Junction block
Jumper connector
ETACS unrt(ECU)
*I : Vehicles without theft-alarm system
“2: Vehicles with theft-alarm system
T16FO314Description of operation
The battery supplies a stabilized 5V power supply to the electronic control unit, via the constant-voltage circuit
and terminal (51) directly connected to the battery. If there is an abnormal condition of the power-supply
circuit, other ETACS functions also will not operate.
Electronic control unit terminal voltage (Connection status of electronic control unit connector)
ECU terminal No. SignalConditionTerminal
voltage
51Electronic control unit power supplyAt all timesSystem
voltage
Checking the ground circuit (Disconnect the connector and check the wiring harness side.)
/I1I1ITerminal No.Connected to/measured part
MeasurementTester
connectionCheck conditionsStandard
57”’Electronic control unit groundResistance57*‘-groundAt all timesContinuity59”?59*‘-ground
NOTE
“I : Vehicles without theft-alarm system
“2: Vehicles with theft-alarm system
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