1991 MITSUBISHI 3000GT Service Manual

EXTERIOR - Windshield WiDer and Washer51-315. WASHER SWITCH INPUT CIRCUIT
lgnitlon swatch (ACC)
Columnswitch
ETACS unit(ECU)*,
-7-l
Junction block15~ @ (Multi-purpose fuse)
ON-time detec-\I\I1a
“I : Vehicles without theft-alarm system
“2: Vehicles with theft-alarm system16FO323
Operation Description
While the washer switch is ON, HIGH-level signals are sent to the washer switch ON-time detection circuit
simultaneous with the activation of the washer motor, thus causing the transistor to be switched ON and the
wipers to be activated for a certain fixed time.
Electronic Control Unit Terminal Voltage (Connection Status of Electronic Control Unit Connector)
ECUterminal No.58”’
60*2Signal
Washer switch signal
Status
Ignition switch
“ACC”Washer switch “OFF”Washer switch “ON“
Terminal
voltageov
System
voltage
NOTE*I : Vehicles without theft-alarm system
“2: Vehicles with theft-alarm systemChecking Individual Part
Washer switch: Refer to
P.51-33
1 TSB Revision

EXTERIOR - Windshield Wiper and Washer
MOVAL AND INSTALLATIONY5lK.JAR
I
‘LJ (
I
\
9Nm7 ft.lbs.
3emoval steps of linkage
I. Wiper blade
I)* 2. Wiper arm
3. Front deck garnish
4. Air inlet garnish
(RH)5. Hole cover
a*6. Wiper motor16FO103
7. Linkage
Removal steps of wiper motor
1. Wiper blade
l *2. Wiper arm
5. Hole cover
*I)6. Wiper motorRemoval steps of washer tank
8. Battery
9. Battery tray
10. Washer tank
11. Washer motor
12. Washer fluid level sensor
Removal of column switch (wiper and washer
switch)
15. Column switch (Refer to GROUP 54
-Column Switch.)
TSB RevisionRemoval steps of washer tube
8. Battery
9. Battery tray
13. Washer nozzle
14. Washer tube

EXTERIOR - Windshield Wiper and Washer51-33
L
lj
Inspection of Operation
Low-speed High-speedoperationoperation1610026
Inspection of Stop Posltion
n
16NOO25
16FO200
ITSB ISERVICE POINT OF REMOVAL
6. REMOVAL OF WIPER MOTOR
(1) Remove the wiper motor mounting bolts.
(2) Using a plain screwdriver, detach the crank arm of the
wiper motor from the linkage to remove the wiper
motor.
Caution
Do not remove the crank arm from the wiper motor
except when necessary, as the auto stop angle has
been preset. When the crank arm is to be removed,
make a mark on both of them before removal.
INSPECTION
INSPECTION OF WIPER MOTOR
Inspect the wiper motor mounted on the vehicle with its
connector disconnected.
Inspection of Wiper Motor Operation at LOW and HIGH
Speeds
Connect the battery to the wiper motor as shown, and check its
operation at LOW and HIGH speeds.
Inspection of Wiper Motor STOP Position
(1) Operate the wiper motor at LOW speed and intermediately
disconnect the battery to let the wiper motor stop.
(2) Connect the terminals as well as the battery, as shown, and
check that the wiper motor stops at the automatically-
stopped position following LOW-speed operation.
INSPECTION OF COLUMN SWITCH
(1) Remove the knee protector.
(Refer to GROUP 52A
- Instrument Panel.)
(2) Remove the column cover.
(3) Remove the column switch right coupling connector
(11terminals).
Inspection of Wiper and Washer Switch
Operate the switch to check for continuity between the
terminals.
345678
Variable intermittent wiper
control switch
Washer switch
NOTEC-0 denotes that there is continuity between the terminals.
‘vision

51-34
EXTERIOR - Windshield Wiper and Washer
Connector B
-____1.310027lXN007t
1
dentification mark: AInspection of Wiper Relay (Built-in Column Switch)
(1) Check to ensure that there is continuity between terminals@ and @ and between the terminals @ and
@, and that
there is no continuity between terminals @ and
@.
(2) Connect the positive terminal of the battery to terminal @dand the negative terminal to terminal @ to check that the
battery voltage is available at terminal
@.INSPECTION OF WASHER MOTOR
(I) When the washer motor is inspected, make sure that it is
mounted on the washer tank and that the washer tank is
filled with water.
(2) Connect the battery as shown to check whether water is
pumped out.
INSPECTION OF WASHER FLUID LEVEL
,SENSOR
(1) Connect a circuit tester to the connector of the level sensor
as shown.
(2) Check that when the float is moved down, the circuit is
closed and that when the float is moved up, the circuit is
opened.
Front deck garnish18FO164SERVICE POINT OF INSTALLATION
2. INSTALLATION OF WIPER ARM
(1) The wiper arms, right and left, are different in shape.
Check the identification symbol.
(2) After the wiper blades have been set, install them in
such a way that the ends of the wiper blades will stop at
the specified positions (standard values).
Standard value: (A) 15
tz mm (.6 tf in.)
dTSB Revision

EXTERIOR - Rear Wber and Washer51-35
REAR WIPER AND WASHERM51 KKAO
,/REMOVAL AND INSTALLATION
16FO104.lO
.llRemoval steps of wiper motor
1. Wiper blade
l *2. Wiper arm
3. SpacerRemoval steps of washer tube
Front pillar trim
(RH)Quarter trim (RH)
Liftgate lower trim (Refer to GROUP 52A -Quarter upper trim
(RH)Rear roof rail trim!R$$f$$ GRoUP 52A
Trims.)Rear side trim
(RH)i .
4. Wiper motor
l *8. Liftgate moulding, upper
9. Washer nozzle
Removal steps of washer tank
Rear end trim (Refer to GROUP
52A-Trims.)5. Cap
6. Washer tank
7. Washer motor
10. Tube and grommet assembly
11. Washer tube
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51-36EXTERIOR - Rear Wiper and Washer
nspection of operation16N0029
Inspection of stop position
16FO19116FO201SERVICE POINT OF REMOVAL
8. REMOVAL OF LIFTGATE MOULDING, UPPER
Using a special tool, pry the clip portion to remove the
’~
upper liftgate moulding.
INSPECTION
WIPER MOTOR
Check the wiper motor with it mounted on the vehicle and with
its harness connector disconnected.
Operation of Wiper Motor
Connect a battery to the wiper motor, as shown, to check the
operation of the wiper motor.
Wiper Motor Stop Position
(1) Operate the wiper motor by the procedure described above
and intermediately disconnect the battery to let the wiper
motor stop.
(2) Reconnect the battery as shown and check that the wiper
motor stops at the automatically-stopped position after
operation.
‘dWIPER WASHER SWITCH
(I) Remove switch garnish B from the knee protector.
(2) Operate the switch to check for continuity between the
terminals.
NOTEO-0 denotes that there is continuity between the terminals.
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EXTERIOR - Rear Wiper and Washer
51-3718N007F
jINTERMITTENT WIPER RELAY
(1) Remove the quarter trim. (Refer to GROUP 52A
- Trims.)
(2) With the intermittent wiper relay connected to the wiring
harness connector, let the wiper operate intermittently and
check the voltage at terminal
0.WASHER MOTOR
(1) When the washer motor is inspected, make sure that it is
mounted on the washer tank and that the washer tank is
filled with water.
(2) Connect the battery as shown to check whether water is
pumped out.
SERVICE POINT OF INSTALLATION
2. INSTALLATION OF WIPER ARM
After assembling the wiper blade to the wiper arm, install
the wiper arm with its tip positioned along the ceramic part.
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51-38EXTERIOR - Door Mirror
DOOR MIRRORREMOVAL AND INSTALLATION~MSlGAAR
I18FO166
Door mirror removal steps
l *I. Door mirror
2. Harness connector
a*3. Mirror
Electric remote controlled mirror switch removal
4. Instrument panel switch
5. Electric remote controlled mirror switch
Pivnt
NotchesSERVICE POINTS OF REMOVAL
1. REMOVAL OF DOOR MIRROR
Tilt the door mirror backward and forward to remove the
attaching bolts.
3. REMOVAL OF MIRROR
Tilt the mirror upward and fit a screwdriver blade covered
with protective tape in the notch between the mirror and
the pivot plate to pry up the mirror.
Caution
Do not fit the screwdriver blade between the pivot
plate and actuator assembly.
\
LjTSB Revision