MITSUBISHI SPYDER 1990 Service Repair Manual

AUTOMATIC TRANSAXLE
Troubleshooting
Code Scan tool 42 Solenoid circuit error: 2-4
No.General scan tool
A shift must not be in progress; an selector lever
position, or watchdog
test must not be in progress; no must be detected from the solenoid during the firs ttest, or a pressure switch problem, or a speed prob lem. The code sets if the solenoid continuitytest failed for the second time, or if there is a pressure switch or speed data problem
and the solenoid continuity test failed for the fir st time.
Measure at the TCM connector NG
l Disconnect the connector and
measure at the harness side.
lResistance value between (59) and
ground.
OK: Less than
OK
Measure at the TCM connector l Disconnect the connector and
measure at the harness side.
l
Resistance value between (56) and
OK: 1
.
of pressure switch lHarness or connector between open or . l ground open-circuited
l Resistance value between (59) and
Check the harness wire between theTCM and solenoid and pressure switch
Check trouble symptom.
Replace the TCM
ING
the TCM
NG,Measure at the TCM connector Check the harness wire between theTCM and solenoid and pressure switchand solenoid and pressure switch connector assembly.l Disconnect the connector and .
measure at the harness side.
lResistance value between (59)and (3)OK: Less than I
Measure at EATX Relay connector .
and solenoid and pressure switch as-
sembly connector
l Disconnect the connector and
measure at the harness side.
lResistance value between (8)and (6).
OK: Less than
OK
Replace the solenoid and pressureswitch assembly.
Check the harness wire between the
. . ,
. . , ,
,
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AUTOMATIC TRANSAXLE
ENGINE
Code Scan tool 43Solenoid circuit error: Probable cause
No.General scan tool
A shift must not be in progress; an selector lever position, pressure switch, or watchdog
test must not be in progress: no spike must be dete cted from the solenoid during the firstl of pressure ‘assemblylHarness or between OD test, or a pressure switch problem, or a speed prob
lem. The code sets if the solenoid continuitytest failed for the second time, or if there is either a pressure switch or speed data problem and TCM open or l
TCM ground open-circuited
and the solenoid continuity test failed for the fir st time.
l Malfunction of TCM
OK Check the following connector:lDisconnect the connector andDisconnect the connector andl
OK Resistance value between (20) andNGReplace the solenoid and pressureswitch assembly.
Check the wire between the
Replace the TCM
Measure at the TCM connector l Disconnect the connector and
measure at the harness side.
lResistance value between and
OK: 1
NG Measure at the TCM connector Check the harness the
l Disconnect the connector and TCM and ground.
measure at the harness side.
lResistance value between and ground.
OK: Less than
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N GOK
Check the following connector:
l NG Repair
OK
Replace the TCM
NGMeasure at the TCM connector and solenoid and pressure switch sembly connector l Disconnect the connector and
Check the harness wire between theTCM and solenoid and pressure switch
assembly.
Measure at EATX Relay connector
and solenoid and pressure switch EATX Relay and solenoidpressuresembly connector l Disconnect the connector and
measure at the harness side.
lResistance value between (8)and (6).
OK: Less than
OK
Replace the solenoid and pressure
s w i t c h a s s e m b l y .

AUTOMATIC TRANSAXLE , .
ENGINE, (NON-TURBO)>
Solenoid circuit error:
A shift must not be an selector lever position, pressure switch, or watchdog
test must not be in progress; no spike must be dete cted from the solenoid during the
test, or a pressure switch problem, or a speed problem. The code sets if the solenoid continuitytest failed for the second time, or if there is either a pressure switch or speed data and the solenoid continuity test failed for the fir st time.Probable
,
Malfunction of l or connector between UD a n d T C M l
TCM ground open-circuitedl Malfunction of TCM
Measure at the TCM connector NG.
l Disconnect the connector and
measure at the harness side.
lResistance value between (19) and
around.
Less than
OK
Measure at the TCM connector
value between (19) and
Replace the switch assembly.
Check trouble symptom.
.
Replace the TCM
..
Measure at the TCM Measure at the TCM connector NG the harness wire between TCM and ground.
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Check the following connector:NG Repair
Replace the TCM
NGMeasure at the TCM connector and solenoid and pressure switch sembly connector l Disconnect the connector and
measure at the harness side.
l between (19)and (7). Check the harness wire between the
TCM and solenoid and pressure stitch
assembly.
OK: Less than
NG Check the harness wire between theand solenoid and switchE A T X a n d s o l e n o i d p r e s s u r esembly connector l Disconnect the connector and
measure at the harness side. switch
lResistance value between (8)
Replace the solenoid and pressureswitch assembly.

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
,
.
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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
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Repair

AUTOMATIC TRANSAXLE .
ENGINE (NON-TURBO)> Troubleshooting.
Speeds error: Input Speed
Sensor
There is an excessive change in input shaft speed in any gear.
A hard fault is considered to exist when the fault counter has matured to a value of 255.
An intermittent fault is considered present when th e fault counter is greater than or equal
to 6 and less than 255. No fault is considered to exist when the fault coun ter is less than 6.
Probable cause
l Malfunction of input speed lHarness or connector between output speed
sensor and open l M a l f u n c t i o n o f T C M
NGSCAN TOOL Data list lCarry out the inspection procedure
45 Transaxle output speed for code No. 57.
l Start the engine Selector OK: More than 0
OK
Measure at the TCM connector 1N G.
l Disconnect the connector and
measure at the harness side.
lResistance value between (12) and
ground.
OK: Less than
OK
Replace the input speed sensor
Measure at the TCM connector l Disconnect the connector and
measure at the harness side.
lResistance value between (12) and
OKCheck the following
l NG Repair
OK
O K :
NG
Replace the TCM
Check the harness wire between theand input speed sensor connector TCM and input speed sensor.
l Disconnect the connector and
measure at the harness side.
l between (12)and (2). ,
OK: Less than
OK NGNGMeasure at the TCM connector Repairand input speed sensor connector l l Disconnect the connector andmeasure at the harness side.NG
l between (53)and (1). Check the harness wire between theOK:
Less than TCM and input speed sensor.
OK
Measure at the TCM connector lDisconnect the connector and and then measure at the side.lResistance between (12) and
ground.
OK: Less than
NG Check the harness wire between the
TCM and input speed sensor.
Replace the input speed sensor
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AUTOMATIC TRANSAXLE
ENGINE (NON-TURBO)>
Code Scan tool 57 Speeds error: Output Speed Probable cause
General scan tool
There is an excessive change in output shaft speed in any gear. Malfunction of output speed sensor
A hard fault is considered to exist when the fault counter has matured to a value of 255.lHarness or connector output Speed
An intermittent fault is considered present when th e fault counter is greater than or equal sensor and TCM open or short-circuited
to 6 and less than 255. l Malfunction of TCM
No fault is considered to exist when the fault coun ter is less than 6.
Measure at the TCM connector
l Disconnect the connector and
measure at the harness side.
l
Resistance value between (54) and
around.
Measure at the TCM conenctor lDisconnect the connector and and then measure at the
harness side.
lResistance value between (54) and
ground. Less than
Measure at the TCM connector l Disconnect the connector and
measure at the harness side.
lResistance value between (53) and
(54).
OK
O K :
NG
OK: Less than
OK
Replace the output speed sensor
NG
Measure at the TCM connector and output speed sensor connector
l Disconnect the connector and
measure at the harness side.
l between (53)and (1).
OK: Less than
OK
Measure at the TCM connector and output speed sensor connector
l Disconnect the connector and
measure at the harness side.
l between (54)and (2).
OK: Less than
OK
Replace the output speed sensor
N G Check the harness’ between TCM and input speed
Check the following connector:Repair
Replace the TCM
Repair
Check the wire between the
TCM and speed
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NG Check the harness wire between the TCM and sensor.

AUTOMATIC .
.
Code Scan tool 58 S p e e d s e r r o r :
No.General scan toolground
After a reset in Neutral and input shaft speed/outp
ut shaft speed of input
gear teeth to output teeth of 2.50.
A hard fault is considered to exist when the fault counter has matured to a value of 255.
An intermittent fault is considered present when th e fault counter is greater than or equal
to 6 and less than 255. No fault is considered to exist when the fault coun ter is less than 6.
.
. , ,
. .
ground open-circuited
OKNGMeasure at the TCM connector Check the following Repair
l Disconnect the connector and
l
measure at the harness side.Resistance value between (12) andOKl
(53).lResistance value between (53) andReplace the . (54).O K :.
Less than
Code Scan tool 60, 61, inadequate element volume: Probable
No. 62LR, 2-4, OD
General scan tool
.
The updated learned volume is below a threshold val ue..The volumes of the transmission fluid needed to app
ly the friction elements are continuouslymonitored and learned for adaptive controls. As the friction material wears, the volume Ofcode. (Internal transaxle problem fluid needed to apply the element increases. The fo llowing are the typical clutch volumes
beyond which the clutches might be damaged:
L R : 3 5 - 8 3 O D :
2-4: UD:
Code Scan tool 73Worn out/burnt transmission fluid Probable cause
No.General scan tool
With the clutch engaged, clutch fully on, partial lock failure counter greaterl
Degraded fluid
than equal to and the turbine acceleration out of range. l
Wheels severely out of alignment
Theory of operation: l
Internal transaxle problem
While in gear Fully electronically modulated converter clut ch (FEMCC) and just beforethe clutch engages, the PCM requests the TCM to moment arily establish Partial
electronically modulated converter clutch (PEMCC) o peration. If the turbine acceleration is
out of range during the FEMCC to PEMCC transition, a counter is incremented. When the
count is 20 or more, the trouble code is set. This code does not cause the code is set,
FEMCC to PEMCC operation before the A/C clutch enga gement will be disabled.
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AUTOMATIC TRANSAXLE
ENGINE (NON-TURBO)> Troubleshooting
Code Scan tool 74Calculated oil temperature in use Probable cause
No.General scan tool
This code will set when the Transaxle Thermistor Voltage is below volts or abovel Malfunction of oil temperature sensor
4.9412 volts for 15 seconds, for 3 consecutive engi ne starts.l or connector between transaxle rangesensor and TCM open or short-circuited
l Malfunction of TCM
Oil temperature sensor check. (Refer to
NG Replace
N G
Measure at the transaxle range sensor Check
connector A-l 08 .
l Disconnect the connector and
measure at the harness side.OK
NG Repair
1. Voltage between (4) and ground.
l . 2 value between (3) and
transaxle range sensor and the TCM
Replace the TCM
Check the following connector: .NG Repair
OK
Check trouble symptom.
NGCheck the harness wire between the Repair
transaxle range sensor and the TCM
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