1990 MITSUBISHI SPYDER sensor

AUTOMATIC TRANSAXLE
ENGINE (NON-TURBO)> Troubleshooting
dure
4Conditions
Selector lever
position:
lever
Operation
Engine
(1) Driving in
gea
with selector
in range
( 2 ) D r i v i n g i n
gear with lever in 2 range
(3) Driving in gea
with selector
in range
(OverdriveOFF)
(4) Driving in
gear with selec-
tor lever in
range(Overdriveswitch ON) (for at least 1
minute)
Driving in Re-
verse gear with
selector lever in
range (for at
least 30 se-
conds)
1) Driving in gear, then apply
the brake until a
downshift
occurs. (Do this
at least 3 times)
ingine
1) Driving atconstant speedof 80 km/h (50
mph) with selec-
tor lever in
range(Overdriveswitch ON)
Judgment value
Data list
and
(1) Check the UD
and clutch
(2)
the 2-4
(3)
the OD
clutch: 35 to 85
2-4 clutch: 20 to 77
OD clutch: 75 to
UD clutch: 24 to 70
Data list and
InputEngine
OutputInput
gear ratio
Data list
Data list
1) Locked gear
Inspection item
A T F l e v e l
UD hydraulic
circuit
2-4 and
clutch
Gear ratio in
gear
I n p u t a n d
speed sensor
Solenoidswitch
valve (latched in the
LU position)
Lockup control
Solenoid
switch
(latched in the
position)
Diagnostic
trouble
code
35
46
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36
36
56
57
58
37
38
47

AUTOMATIC TRANSAXLE
ENGINE Troubleshooting
SERVICE DATA REFERENCE TABLE
Data No. Check itemDisplay
00 Throttle position sensor
01Transaxle range sensor 41
02Start or run position volt
03Transaxle range sensor 43
04 Switched battery volt
20 pressure switch
ON/OFF
212-4 pressureswitch
ON/OFF
22ODpressureswitch
ON/OFF
23 Overdrive lockout switch
ON/OFF
24Transaxle range sensor 1ON/OFF
25 Transaxle range sensor 2
ON/OFF
26Transaxle range sensor 43ON/OFF
27 Transaxle range sensor 41
ON/OFF
43 Engine speed
44Transaxle input speed
45Transaxle output speed
46Shift lever position information and controller lim
p-in status
Status
47Throttle position
48Transaxle shift schedule
Status
Partial/full lock status
58Shift code Status
59
60
61
Pressure switch error counter Counts
Speed/ratio error counter Counts
Speed/ratio error 1 second counter Counts
TSB Revision

AUTOMATIC TRANSAXLE
ENGINE
Code Scan tool 18Engine speed sensor circuit
No.General scan tool
Engine speed received at the PCM from the CKP over the CCD bus is less than 384 o f l Harness or connector between crankshaft
position sensor and TCM open or
. .
l of TCM
OK
Measure at the TCM connector l Disconnect the connector and
measure at the harness side.
l Voltage between (46) and ground.
S t a r t t h e e n g i n e .
O K :
C h e c k t h e l
OK
Road test (Refer to
Replace the TCM
Abnormality exists (no diagnostic trouble
. .
Abnormality exists(diagnostic troublecode present)
Recheckdiagnostictroublecodeswhich
were read before the road test
Diagnostic trouble
code output No diagnostic trouble
code displayed
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AUTOMATIC TRANSAXLE
ENGINE (NON-TURBO)> ‘Troubleshooting,
cause
Malfunction range lHarness or connector between transaxle rangesensor and open or short-circuited
lTransaxle range sensor ground open-circuitedl Malfunction of
Code Scan tool 28Check shifter signal
No.General scan tool
Case 1 Invalid code timer has expired (100 msec).
Case 2 Third occurrence of setting data error flag since start-up
SCAN TOOL Data list
26 Transaxle range sensor 43 l Ignition switch: ON
OK: Shift lever position
2, L: ONOtherthan OFF
NG
OK
SCAN TOOL Data list Check the transaxle range sensor Replace the transaxle range sensor 27 Transaxle range sensor 41.. . . I
OK:
(Refer to
Check the following connector:
l
INTERMITTENTl the DTC information Check the harness wire between the
transaxle ranae sensor and TCM
(Check
power)
ground. range of check, settingcondition).l
Refer to INTRODUCTION How
to Cope with Intermittent Malfunc-
tion.
TSB Revision

AUTOMATIC TRANSAXLE
ENGINE (NON-TURBO)> Troubleshooting
Code Scan tool Throttle position signal
No.General scan tool
l Throttle angle less than 6 degrees, or Throttle gre ater than 120.6 degrees.
l The engine must be running.
OKCheck that the engine lamp is on
- - R e f o r m P C M d i a g n o s t i c s . the enaine
c a u s e
l Malfunction of sensorlHarness or connector between sensor and TCM open or short-circuited
l or connector sensor output and TCM open or short-circuitedl Malfunction of l Malfunction of . .
I ,
O K :
00 Throttle position sensor
l Disconnect the connector Check the following connector:l Engine ground connectionl l Ignition switch: ONI ,
,OK: More than OKA b n o r m a l i t y(no diagnostic trouble
connector
Abnormality exists trouble codepresent)
To INSPECTION CHART FOR
TROUBLE CODES
(Refer to
Measure at TCM connector l Disconnect the connector and
measure at the harness side Check the following connector:
l Connector
disconnected
l Voltage between (52) and ground
l Ignition switch: ON
OK: More than
Check the harness wire between the
TCM and the throttle position sensor
Measure at TCM connector and Check the harness wire between the
throttle position connector TCM and the throttle sensor
l Disconnect the connector and
measure at the harness side.
l
Less than
OK
,
.
Check the following connector:
l Replace the TCM
NG
Repair
TSB Revision

AUTOMATIC TRANSAXLE
ENGINE (NON-TURBO)> Troubleshooting
Code Scan tool 46UD Hydraulic circuit failure P r o b a b l e c a u s e
No.General scan tool
A 3-4 shift must be in progress, and the UD flag must be set (temperature must not be
l I n t e r n a l t r a n s a x l e p r o b l e m cold). The code sets concurrently with the third co nsecutive 3-4 shift abort if the fault counter is greater than three.
SCAN TOOL Data list
51
clutch volume index
52 2-4 clutch volume index
53 OD clutch volume index
54 UD clutch volume index
l Ignition switch: ON
Selector lever: OK: 51 (LR)
35 85
52 (2-4) 20 77
53 (OD)
75 150
54 (UD)
24 70
NG
l Internal transaxle (Refer to
OK
.
Refer to INSPECTION MATRIX FOR
transaxle problem) (Refer to
Code Scan tool 47 Solenoid switch valve latched in
Probable cause
No.General scan toolthe position
pressure is high for second time. l
Internal probleml lnspectlon’matrlxfoidiagnostictroublecode. transaxle problem)
Code Scan tool 48
No.General scan tool TRD link communication error
The code sets when:
There is an incorrect response from the power train control module via the CCD bus
acknowledging request for torque management test du ring idle.
or when: Event dependent on two sequential request for torqu e managed shift without correct
response from
control module on CCD bus acknowledging that torqu e
management is in process.
Check the throttle position sensor.
(Refer to GROUP ENGINE (NON-TURBO)> On-vehicle inspection of components)
Replace
OKNGCheck the CCD bus communication. Repair
(Refer to GROUP ENGINE (NON-TURBO)> Troubleshooting)
Check the following coNG Repair
Check trouble symptom.
OK
Check the harness wire between the PCM connector (63) and TCM connector (50).
Probable cause
l CCD bus communication problem Sticky throttle position sensor
. Open circuit or short-circuit in TRD link line
between TCM and PCM
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AUTOMATIC TRANSAXLE
ENGINE
Code Scan toolS p e e d s e r r o r ( G e a r , ‘ r a t i o i n
No.reverse, lst,
General scan tool.
. .
Code sets if the ratio of the input to the output does not compare to a
l Malfunction of input speed’ particular gear ratio.lA hard fault is considered to exist when the fault counter has matured to a value of Malfunction of output speed sensor
An intermittent fault is considered present when th e fault counter is greater than or equall
Harness or connector between
to and less t h a n 2 5 5 .sensor and TCM open or lNo fault is considered to exist when the fault coun ter is less than 6.Harness or sensor and TCM or l of l Internal transaxle problem
,
.
Revision

AUTOMATIC TRANSAXLE
ENGINE (NON-TURBO)> Troubleshooting
NGCheck the installation condition of the input speed sensor Repair
OK
NGCheck the installation Repair
NG Repair
l
OK
SCAN TOOL Data list lCarry out the inspection procedure for code No. 56.
44 Transaxle input speed
Check the transmission fluid level.
OK
SCAN TOOL Data list
44 Transaxle input speed l Raise the vehicle’s drive wheels off the ground
NG Repair
1. NG
The 2-4 clutch or clutch may be slipping.
l Start the engine and step on the brake so the wheel s won’t
rotate.1. Selector lever: 2
l the throttle to 30%
Caution Do not test any gear range for longer than 5 secon ds
l Use the scan tool ‘to monitor the input RPM.
Allow the engne to return to idle. OK: 0 rpm l
The reverse clutch or low/reverse clutch may be sli pping.
2. Select lever:
l Open the throttle to 30%
l Use the scan tool to monitor the input RPM.
Allow the enaine to return to idle.
OK: 0 rpm
Transaxle overhaul
l If code No. 50 is set:
Reverse clutch or
clutch may be slipping
l If code No. 51 is set:
UD clutch may be slipping
l If code No. 52 is set:
2-4 clutch or UD clutch may be slipping
l If code No. 53 is set:
OD clutch may be slipping
l If code No. 54 is set:
OD clutch may be slipping
OK
Check trouble symptom.
NG
Check the following connectors: Replace the TCM.
N G
TSBRevision
Repair