1990 MITSUBISHI SPYDER Service Repair Manual

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Page 1033 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND ENGINE>
Code No. Pulse generator systemProbable cause
[Comment]l Malfunction of pulse generator If pulse generator output and the input

Page 1034 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE>
Code No. Park/neutral position switch systemProbable cause
[Comment]l Malfunction of park/neutral When the park/neutral position sw

Page 1035 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE> Troubleshootina
Code No. Shift control solenoid valve A (SCSV-A)
system Probable
[Comment]lMalfunction of shift control valve
A
If

AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE> Troubleshootina
Code No. Shift control solenoid valve A (SCSV-A)
system Probable
[Comment]lMalfunction of shift control valve
A
If the resistance value of shift control solenoid v alve A is high, there is an open circuit in shiftlMalfunction of connector
control solenoid valve A and diagnostic trouble cod e No. 41 is output. If the resistance valuelMalfunction of TCM
is low, there is a short circuit in shift control s olenoid valve A and diagnostic trouble Code
No. 42 is output. In addition, if diagnostic troubl e code No. 41 or 42 is output 4 times, there
is an open or short circuit in shift control soleno id valve A, fail-safe code No. 63 is output
and the vehicle is locked in
gear (D) as a fail-safe measure.
NG Replace
check (Refer to
OK
Check the following connectors:NG Repair
l
NG Repair of TCM and SCSV- A.
OK
Replace shift control solenoid valve A(SCSV-A).Check trouble symptom.
NG
Replace the TCM.
Code No. 84 Shift control solenoid valve (SCSV-B) Probable cause
system
[Comment]l Malfunction of shift control solenoid valve If the resistance value of shift control solenoid v alve is high, there is an open circuit in shiftlMalfunction of connector
control solenoid valve and diagnostic trouble code No. 43 is output. If t he resistance valuelMalfunction of TCM
is low, there is a short circuit in shift control s olenoid valve and diagnostic trouble code
No. 44 is output. In addition, if diagnostic trouble code No. 43 or 4 4 is output 4 times, there
is an open or short circuit in shift control soleno id valve
fail-safe code No. 64 is output
and the vehicle is locked in gear (D) as a fail-safe measure.
Check the following connectors: .
OK
Check the harness wireNG Repair of TCM and SCSV-B.
OK
Replace shift solenoid valve (SCSV-B).Check trouble symptom.
NG
Replace the TCM.
TSB Revision

Page 1036 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE> Troubleshootina
Code No. Pressure control solenoid valve (PCSV)
system
[Comment]If the resistance value of the pressure control so

AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE> Troubleshootina
Code No. Pressure control solenoid valve (PCSV)
system
[Comment]If the resistance value of the pressure control sol enoid valve is high, there is an open circuit
in the pressure control solenoid valve and diagnost ic trouble code No. 45 is output. If the
resistance value is low, there is a short circuit in the pressure control solenoid valve and diagnosti ctrouble code No. 46 is output. In addition, if diagnostic trouble code No. 45 or 46 is output
4 times, there is an open or short circuit in the p ressure control solenoid valve, fail-safe code
No. 85 is output and the vehicle is locked in
gear (D) or gear (2, L) as a fail-safemeasure.
Probable cause
l Malfunction of control solenoid valve
l Malfunction of connector
l Malfunction of TCM
check (Refer to
NG Replace
OK
Check the following connectors: .
OK
N G Repair
Check the harness wire between con- NG
of TCM and PCSV.I
OK
Replace the pressure control solenoid
valve (PCSV) with a new component. Check trouble symptom.NG
Replace the TCM.
Code No. Torque converter clutch solenoid
system
[Comment]
TSB Revision
If the resistance value of the torque converter clu
tch solenoid is high, there is an open circuit
in the torque converter clutch solenoid and diagnos tic trouble code No. 47 is output. If the
resistance value is low, there is a short circuit i n the torque converter clutch solenoid and
diagnostic trouble code No. 48 is output. In additi on, if torque converter clutch solenoid
duty continues at 100% for 4 seconds or more, there is an abnormality in the torque converter
clutch control system and diagnostic trouble code N o. 49 is output. If the calculated slippage
amount (the result when the input shaft speed is su btracted from the engine speed) is 5
for ten seconds when the throttle position is 1.5 or higher and the output shaft speed is1,000 in the direct-coupled non-operating range, even th ough the torque converter clutchsolenoid is off, the torque converter clutch is stuck on and diagnostic trouble code No. 58
is output.
Torque converter clutch solenoid check
Check the following connectors: Repair
.
OK
NGCheck the harness wi of TCM and TCC solenoid Repair Probable cake
lMalfunction of torque converter clutch solenoidl
Malfunction of connector
l Malfunction of TCM
Replace(TCC) solenoid with a new component.Engine Stalling during shifting check

Page 1037 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE> Troubleshooting.
Code No. 1 st gear incorrect ratioProbable cause
[Comment]lIf the value resulting from dividing the PG-A outpu t

Page 1038 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE> Troubleshooting
Code No. gear incorrect ratio c a u s e,
[Comment]lIf the value resulting from dividing the PG-A outpu t (input s

AUTOMATIC TRANSAXLE ENGINE
(TURBO) AND
ENGINE> Troubleshooting
Code No. gear incorrect ratio c a u s e,
[Comment]lIf the value resulting from dividing the PG-A outpu t (input shaft rotation speed) by the lMalfunction of pulse generator A or gear ratio does not match the output (output shaft rotation speed) gear is engaged,Malfunction of transfer driven gearlMalfunction of end clutch retainer
diagnostic trouble code No. 52 is output. In additi on, if diagnostic trouble codes (Nos. lMalfunction of rear clutch51, 52, 53 and 54) are output 4 times, there is an
incorrect gear ratio, fail-safe code No. 86 lis output and the vehicle is locked in gear (D) or gear (2, L) as a fail-safe measure.lMalfunction of brake’
Refer to Automatic Overhaul
SCAN TOOL DTC
Yes
Is diagnostic trouble code No. 51Code Nos. 86 1 gear incorrectratio check (Refer to
No
Replace the brake.
Code No. gear incorrect ratio
[Comment]If the value resulting from dividing the PG-A outpu t (input shaft rotation speed) by the gear ratio does not match the shaft rotation after is
engaged, diagnostic trouble code No. output. In addition, if related codes (Nos. 51, 52, 53 and 54) are output 4 times, there is an incorrect gear ratio, fail-safe
code No. 86 is output and the vehicle is locked in gear (D) or gear (2, L) as a fail-safemeasure.
SCAN TOOL DTCYesCode Nos. 1 gear incorrectIs diagnostic trouble code No. 51 ratio check (Refer to output?
No
P r o b a b l e c a u s e
TSB Revision
Malfunction of pulse generator A or Malfunction of transfer Malfunction of end clutch retainer
Refer to Automatic
Code No. gear incorrect ratio Probable cause
[Comment]l Malfunction of pulse generator If the value resulting from dividing the PG-A outpu t (input shaft rotation speed) by the lMalfunction of connectorgear ratio does not match the output (output shaft rotation speed) after gear is engaged,lMalfunction of transfer driven gear
diagnostic trouble code No. 54 is output. In additi on, if related diagnostic trouble codes (Nos.
l Malfunction of end clutch retainer
51, 52, 53 and 54) are output 4 times, there is an incorrect ratio, fail-safe code No. 86 is .Malfunction of rear clutch
output and the vehicle is locked in
gear (D) or gear (2, L) as a fail-safe measure. . generated
l Malfunction of
brake
l Malfunction of end clutch
Replace the front clutch. I
Refer to Automatic Overhaul
Is
diagnostic trouble code No. 52 Code nos. gear incorrect
ratio check (Refer to
I Replace the end clutch. I

Page 1039 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual AUTOMATIC TRANSAXLE ENGINE’
(TURBO) AND
ENGINE> T r o u b l e s h o o t i n g
Code No. 59 Anomalous vibration occurrence
[Comment]l Noise generatedIf pulse generator A output ind

AUTOMATIC TRANSAXLE ENGINE’
(TURBO) AND
ENGINE> T r o u b l e s h o o t i n g
Code No. 59 Anomalous vibration occurrence
[Comment]l Noise generatedIf pulse generator A output indicates the revolutio n alteration by more than 50
l Automatic transmission fluid deteriorated in a specified cycle, diagnosis code 59 is output.
l occurred
Yes there noise in the pulse generator Eliminate the source Of A output waveform?
No
Replace automatic’transmission fluid.
Check trouble symptom.
NG
Inspection procedure 15; vibration.
(Refer to
Code Torque reduction request and execution sig-
nal lines
causeCode Torque reduction request signal lines
Code
Torque reduction execution signal lines
[Comment]l Malfunction of ECMIf a “torque reduction executing” signal is detecte d for 0.2 second or more while al Malfunction of TCM
“no torque reduction request” signal is being outpu t, there is a short-circuit in the
l Malfunction of connector
torque reduction request signal line or an open cir cuit in the torque reduction executionsignal line, and code No. 61 is output.
If a “torque reduction executing” signal is not det ected four times even though 0.2
second has passed since a “torque reduction request ” signal was output, there is
an open circuit in the torque reduction request sig nal line and code No. 62 is output.
If a “torque reduction signal is not detected under the following conditi ons,there is a short-circuit in the torque reduction execution signal line and code NO.
63 is output.
The transaxle output shaft speed has been 1,000
or higher after the ignition
switch in turned on.
Engine speed has been 1,000 or higher for 20 minutes or more after the ignitio nswitch is turned on.
TSB Revision .
Measure at ECM
lDisconnect the connector and
l
Voltage between (7) and ground
l switch.
NG
Check the l
OK
Check trouble
Repair
TCM and
u n
Replace the TCM.

Page 1040 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual AUTOMATIC TRANSAXLE
ENGINE (TURBO) AND ENGINE> Troubleshooting
INSPECTION CHART FOR TROUBLE SYMPTOMS,
Malfunction when
starting
I
I
Engine stalling during shifting6
Shocks when shift

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