wiring MITSUBISHI ECLIPSE 1991 Owner's Manual

21480AUTOMATIC TRANSAXLE - Troubleshootina
FAULT CODE DESCRIPTION
Code
No.Output patternDescription
Remedy
11Abnormal increase of TPS outputl Check the throttle position sensor
nconnector.
l Check the throttle position sensoritself.
12l Adjust the throttle position sensor.
Abnormal decrease of TPS outputl Check the accelerator switch
(Code No. 24output
or not).Malfunction of the throttle-
position sensor or incorrect
adjustment
Damaged or disconnected wiringl Check the oil temperature sensorof low oil temperature sensor
connector.
l Check the oil temperature sensoritself.
16Short circuit of high oil tempera-ture sensor
Damaged or disconnected wiring
of high oil temperature sensor orshort-circuit of low oil tempera-
ture sensor
21
n
Damaged or disconnected wiringl Check the kickdown servo switchof the kickdown servo switch
connector.l Check the kickdown servo switch
itself.
22
nnShort circuit of the kickdown
ser-vo switch
23Damaged or disconnected wiringl Check the ignition pulse signal line.
of the ignition pulse pick-up cable24
Short circuit of the acceleratorswitch or improper adjustmentl Check the accelerator switch con-
nectar.l Check the accelerator switch itself.
l Adjust the accelerator switch.
31
u’u I n
Damaged or disconnected wiring
of the pulse generator AlCheck the pulse generator A and
pulse generator B themselves.l Check the vehicle speed reed
switch (for chattering).32
Damaged or disconnected wiring
uuLnJ-l-of the pulse generator B
12A0104
12A0107

AUTOMATIC TRANSAXLE - Troubleshootina
Code.> ‘)No.Output pattern
DescriptionRemedy
41Damaged or disconnected wiringl Check the solenoid valve connec-of the shift control solenoid valve
nnnn A
tor.lCheck shift control solenoid valve Citself.
42Short circuit of the shift control
uuu-mn
solenoid valve A
43Damaged or disconnected wiring
l Check the solenoid valve connec-of the shift control solenoid valve
- B
tor.l Check shift control solenoid valve Eitself.
44Short circuit of the shift control
uuvuwlnsolenoid valve B
45Damaged or disconnected wiringlCheck the, solenoid valve connec-,.
uuuumnof the pressure control solenoidtor.valvel Check the pressure control sole-
noid valve itself.
46
J-~-,,-=
Short circu.it of the pressure con-trol
solenoid valve
47Damaged or disconnected wiringl Check the solenoid valve connec-
of the damper clutch control
sole-nnnn~ noid valvetor.l Check the damper clutch control
solenoid valve itself.48
Short circuit of the damper clutchnnnncontrol solenoid valveMalfunction of the damper clutch
l Check the damper clutch hydraulicsystem
pressure system.l Check the damper clutch control
solenoid valve itself.
l Replace the control unit.
51First gear non-synchronouslCheck the pulse generator A and
UUUUI~
pulse generator-B connectors.l Check pulse generator A and pulsegenerator B themselves.l Rear clutch slippage.
52Second gear non-synchronouslCheck the pulse generator A and
pulse generator B connectors.
uuuul nnlCheck pulse generator A and pulsegenerator
B themselves.l Rear clutch slippage.l Kickdown brake slippage.
I-Y I”*
12Ao106

21-182AUTOMATIC TRANSAXLE - TroubleshootingDescription
Code
No.
53Output pattern
UUUULnnn-
Remedy
lCheck the pulse generator A output
circuit harness.
lCheck the pulse generator A and
pulse generator
B connectors.
lCheck the pulse generator A andpulse generator B themselves.
l Front clutch slippage.l Rear clutch slippage.
lCheck the pulse generator A output
circuit harness.
lCheck the pulse generator A and
pulse generator B connectors.
l Check pulse generator A and pulsegenerator
B themselves.
l End clutch slippage.
l Kickdown brake slippage. Third gear non-synchronous
54Fourth gear non-synchronous
uuuuLnMn-12A0106
FAIL-SAFE CODE DESCRIPTION
CodeNo.Output patternDescriptionFail-safeNote (relation
to fault code)
81Damaged or disconnectedwiring of the pulse generator
A3rd gear (D) or 2nd
gear (2, L) hold
31
3rd gear(D) or 2ndgear (2, L) hold
32Damaged or disconnectedwiring of the pulse generator
B
82
83
3rd gear hold41,42Damaged or disconnectedwiring, or short circuit, of shift
control solenoid valve A43,44
843rd gear hold
Damaged or disconnectedwiring, or short circuit, of shift
control solenoid valve
B
Damaged or disconnectedwiring, or short circuit, of the
pressure control solenoid
valve
45,463rd gear(D) or 2ndgear (2, L) hold85
86Shift steps non-synchronous3rd gear (D) or 2nd
gear (2, L) hold51,52,53,54
12LO296

21-188AUTOMATIC TRANSAXLE - Troubleshooting
INSPECTION OF ELECTRONIC CONTROL SYSTEM COMPONENTS
Based on the wiring diagram,check whether the continuity and
grounding of each harness is OK.
+
cContinuitvJ.
4
/
.NormalI
1
Improper connection of
connector, damaged or
+ disconnected harness,or incorrect wiring con-
nection.
L
J1
Reconnect the connec-
tor; repair or replace the
harness.
I\
Vary the thermo-sensitive part
uarriageu ur ursconnecreawiring
I/
IReplace the oil-Chanaes of the resistance con-\temoerature sensortinuo& and smooth.4
I 1750446 -Normal,
1: (+) side2:
(-) side
2.0L DOHC TurboEngine
1I
Y3.
Throttle-Check the resistance betweenosition sensorterminals 1 and 4 (1 and 2 forDamaged or discon-
PTPS)SOHC models) of theTPS.netted wiringI
I
TPS termrnal
2.0L Engine
1. power
7FUO5352. output3. -4. ground
1.8L Engine
1. power
2. ground
3. output
+
(3.5-6.5 S2/2O”C (68°F)1Check the resistance between
terminals 4 and 2 (2 and 3 forSOHC models) with the engine
idling after throttle-valve opening
warm-up.
4
Resistance: approx. 0.4 kilohml
20°C (68°F)I
Improper adjustment
J
’Readjust the TPS in-
stallation.Check for changes of the resist-
ance between terminals 4 and 2
(for SOHC between terminals 3
and 2 when the throttle valve is
operated from the idling position
to the fully open position.
4Changes of the resistance con-
tinuous and smooth.
4
Normal

AUTOMATIC TRANSAXLE - Troubleshooting21-189
_ 4, ppBgeneratorCheck the resistance betweenterminals 1 and 2 or 3 and 4.Short-circuit; or
dam-aged or disconnectedwiring
:
I
.
4
/
NormalI
1750338II\
Pulse generator terminals.(215-275 Q/2O”C (68°F)1
5. PulseeneratorConnect the pulse generator and
A or B?checkingwbody harness, and connect an
+ mm narillroscilloscooe. Check with the\
I
#, -mm v3nlwdP
scope)I \
chassis on a dynamo or with thefront wheels raised.
With the selector lever at the “L”
position and the engine running at
1,000 rpm, check the voltagewaveform between terminals 1
and 2.
Oscilloscope waveform
1,8L, 2.0L DOHCNon-Turbo Engine
Noise
/AA_--
iw
5E4
1,000 mVp-p or higher>
171091
2.0L DOHC Turbo Engine
,Noise
Replace the pulse
generator.
. . .,’
Incorrect installation of
the pulse generator, or
malfunction,of the pulsegenerator.
II
Improper grounding of
the pulse generator cir-cuit’s shielded wiring.
i
Replace the pulse
generator.+
(500 mVp-p or higherJ
Noise
Normal1
+,I
Correct the installation
condition, or replace the /pulse generator.

21490AUTOMATIC TRANSAXLE - Troubleshooting6.
Pressure-Check the resistance between
terminal 1 of the solenoid valve
connector and the transaxle case.Short-circuit, or’@, ,,n-
1:aged or disconnectedwiring1
Solenoid valve
connector terminalsConnect
12V between the trans-
axle case and terminal 2;
switch ON and OFF and check for
operation noise.” ,“,
Foreign material caught
between the valve andguide1 .
1:
PCSV
2: DCCSV
3: SCSV-A4:
scsv-B
7. Shift-control
solenoid valve
(SCSV) A or Bt
Check the resistance between
terminal 3 or 4 of the solenoid
valve connector and the transaxle
case.t
4
c-22.3 f l.5Q/20°C (68°F)J
I
Replace the PCSV.
I
Short-circuit, or dam-+
aged or disconnectedwiring4
Replace the SCSV..Connect
12V between the trans-axle case and terminal 3 or 4;
switch ON and OFF and check for
operation noise of the solenoid
valve, and check the valve stroke.
~~~~~
4Noise exists.
I
NormalIa
/

21-192AUTOMATIC TRANSAXLE - Troubleshooting
9. Damper clutchcontrol solenoid
valve (DCCSV)
1,8L, 2.0L DOHC
Non-Turbo
Engine
Solenoid valve
connector terminals1:
PCSV2: DCCSV
3: SCSV-A4:
SCSV-B
1750338Check the resistance between
terminal 2 of the solenoid valve
connector and the transmission
case.too low or too
G’Short-circuit
0,s” dam-
aged or d&connectedwiring
.: ’
I
(Standard value: 3 Q/20%)I
INormalI*Sticking *Sticking
is isusually at the usually at the
release side. release side.
1 Replace the DCCSV. 1
171096
b adjust if necessary.
Replace the acceleratorswitch.
(No continuity (resistance: Q)))4
Normal

21-204AUTOMATIC TRANSAXLE - Troubleshooting
c;_----__---___-.
IGNITIONSWITCH(IG2)0
?
3E-7r
0
1UA
\IEjC-53mJ
ca (LB)
POWER/
ECONOMY
;$;;E OVER "r-
D-19A, .
12l!i3Fl3453$
,F
IGHT
3 19 ~lo~ll~l2~la~lq1qls
E
A/T SELECTOR
LEVER POSITION
ILLUMINATIONLIGHT
WITHOUTAU;iUi~;UISE
hf---
II
sP5 11
LIEI
AUTO-
CRUISE
CONTROL
UNIT
Y
-t
______--___---__--------
4
gF
C-61 57_______-__-----_---_-----
J/B
Remark**Mark indicates the oPtional wiringFEI~~I;S for auto-cruise control

AUTOMATIC TRANSAXLE - Transaxle Control21-217
TRANSAXLE CONTROL
dl_i REMOVAL AND INSTALLATIONNZlub-
-.
lo-14 Nm7-10 ft.lbs.
i284-6
Nm
y-14 Nm7-10 ft.lbs.
Transaxle control cable and selector lever
assembly removal steps
1. Plug2. Side cover (B)3. Power (PWR)/Economy (ECO) switch
4. Side cover(B)
5. Cover(B)
6. Cup holder7. Carpet
8.
EZrreTstion of floor console wiring
9. Guide ring
IO. Shoulder belt 11. Floor console
17. Snap pin18. Key interlock cable (selector lever
assembly side)
23.
S$i; lock cable (selector lever assembly
26. Snap pin27. Clip
28. Adjusting nut
l 4 29. Clip++ 30. Transaxle control cable31. Selector lever assembly
zykeverse the removal procedures to reinstall.(2) l + : Refer to “Service Points of Installation”

2l-218AUTOMATIC TRANSAXLE - Transaxle Control
724
169-14
Nm7-10 ftlbs.7
\\4-6 Nm3-4 ft.lbs.3-4
ft.lbs.
Key interlock cable removal steps
1. Plug2. Side cover(B)
3. Power
(PWR)/Economy (ECO) switch
4. Side cover(B)
5. Cover
(B)6. Cup holder7. Carpet
8.
;ir;eystion of floor console wiring
9. Guide ring
10. Shoulder belt 11. Floor console.
12. Plug
13. Knee protector assembly
14. Hood lock release handle
15. Lap cooler duct and shower duct
(L.H.)16. Column cover
17. Snap pin
l + 18. Key interlock cable (selector lever
assembly side)
19. Clamp20. Cover
l + 21, Key interlock cable (steering lock
assembly side)
e+ 22. Slide lever
NOTE(I) Reverse the removal procedures to reinstall.(2) l 4 : Refer to “Service Points of Installation”.(3) Be sure to connect and adjust the transaxle control
cable before connecting the key interlock cable or shift
lock cable18'
‘1709A0138
Shift lock cable removal steps
1. Plug2. Side cover(B)
3. Power
(PWR)/Economv (EC01 switch
4. Side cover(B)
’5. Cover(B)
6. Cup holder7. Carpet
8. Connection of floor console wiring
harness9. Guide ring
10. Shoulder belt
11. Floor console
12. Plug13. Knee protector assembly
14. Hood lock release handle
15. Lap cooler duct and shower duct (L.H.)19. Clamp
l + 23. :izs lock cable (selector lever assembly24. Split pin
25. Shift lock cable (brake pedal side)