Page 409 of 2103
![MITSUBISHI SPYDER 1990 Service Repair Manual Scan tool 16
General scan tool A/C Clutch Relay Circuit ,.
33
[Comment]Coinpressor clutch relay shortedBackgroundl control circuit defectivel The PCM provides a switched groun MITSUBISHI SPYDER 1990 Service Repair Manual Scan tool 16
General scan tool A/C Clutch Relay Circuit ,.
33
[Comment]Coinpressor clutch relay shortedBackgroundl control circuit defectivel The PCM provides a switched groun](/manual-img/19/57345/w960_57345-408.png)
Scan tool 16
General scan tool A/C Clutch Relay Circuit ,.
33
[Comment]Coinpressor clutch relay shortedBackgroundl control circuit defectivel The PCM provides a switched ground to the clutch relay.
l circuit driver in PCMlThe PCM can prevent operation of the clutch in selected situations such as duringwide-open or for a period at start-up.l This DTC indicates an open or short-circuit conditi on in the circuit.Range of Checkl Ignition ONl Battery voltage: or morel 30 seconds or more after starting engineSet ConditionlOpen or short circuit is detected in the A/C clutch relay control circuit for 3 seconds.
N G relay. Replace
. .
. 55 On-vehicle Service) me (Refer to GROUF
OK
Measure at the PCM connectors and lDisconnect the connector, and measure at the harnes s side.
l Voltage between 36 and ground, and 64 and ground
(Ignition switch: ON)
switch: ON)
OK: Battery positive
l Connect a jumper wire between and the ground.
(Ignition switch: ON)
(A/C switch: ON)
OK:
compressor clutch is turned on
N G
Check the system (Refer to GROUP 55 Troubleshooting) Check trouble symptom.
NG
Replace the . ,
I ,
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Page 410 of 2103
![MITSUBISHI SPYDER 1990 Service Repair Manual Scan tool 17
C o d e G e n e r a l s c a n
No.
32I
[Comment]
Background Open short
l The PCM provides a switched ground path to the sole noid. Open o u t p u t or shorte MITSUBISHI SPYDER 1990 Service Repair Manual Scan tool 17
C o d e G e n e r a l s c a n
No.
32I
[Comment]
Background Open short
l The PCM provides a switched ground path to the sole noid. Open o u t p u t or shorte](/manual-img/19/57345/w960_57345-409.png)
Scan tool 17
C o d e G e n e r a l s c a n
No.
32I
[Comment]
Background Open short
l The PCM provides a switched ground path to the sole noid. Open o u t p u t or shorted l This DTC indicates an open or short-circuit conditi on in the control circuit.Range of Checkl Battery voltage: or morel Ignition switch: ONSet ConditionlOpen or short circuit is detected in the electric E GR transducer solenoid for 3 seconds.
I . . ,.. .
Replace (Refer to GROUP 17 Emission Control System)
OK
Measure at the electric transducer solenoid connector lDisconnect the connector and measure a the harness side.
l Voltage between 2 and ground
switch: ON) Battery positive voltage
.N G Check the following connectors:
O K
Check
Check the wire between Repair, necessary. ,
NGMeasure at the PCM connector Check the following lDisconnect the connector and measure at the harness side.
l Voltage between 40 and ground
(Ignition switch: ON)
OK: Battery positive voltage
Check the harness wire between PCM and solenoid connector. Repair, if necessary.
Check the following Repair
OK
Check trouble svmptom.
Revision
the PCM.
NG
Page 411 of 2103
![MITSUBISHI SPYDER 1990 Service Repair Manual . .
Scan tool 18
Code
No.
General Circuit
31
[Comment]
Background
lIt is operated asa PCM output providing a switched ground path once the vehicle enters
closed loop operation.
l This DTC MITSUBISHI SPYDER 1990 Service Repair Manual . .
Scan tool 18
Code
No.
General Circuit
31
[Comment]
Background
lIt is operated asa PCM output providing a switched ground path once the vehicle enters
closed loop operation.
l This DTC](/manual-img/19/57345/w960_57345-410.png)
. .
Scan tool 18
Code
No.
General Circuit
31
[Comment]
Background
lIt is operated asa PCM output providing a switched ground path once the vehicle enters
closed loop operation.
l This DTC indicates a short or
condition in the circuit.
Range of Check
Battery voltage: or more
l Ignition switch: ON
Set Condition
lOpen or short circuit is detected in the EVAP purge control solenoid control circuit for
3 seconds.
Open or short control circuit
l Open fused output , l O p e n or solenoid l . . .
Check the evaporative emission NG Replace
(Refer to GROUP 17 Emission Control System.)
OKNG. . .
Check the following connectors: Measure at the evaporative purge solenoid connector
lDisconnect the connector and measure at the harness side.
l Voltage between 1 and ground
(Ignition switch: ON)
OK: Battery positive voltage
/OK
Measure at the PCM connector lDisconnect the connector and measure at the harness side.
l Voltage between 66 and ground
switch: ON) Battery positive
Check the harness wire, between and Repair, if necessary.
NG
Check the harness wire between the and connector. Repair, if necessary.
N G Repair
Check trouble symptom.
NG
Replace the PCM.
Revision
Page 412 of 2103
![MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE
Scan tool 19
Injector Control Circuit.Probable cause,
MIL 27
[Comment]
Backgroundl Open or shorted injector control
l Grounds for the injector circuits are provided by MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE
Scan tool 19
Injector Control Circuit.Probable cause,
MIL 27
[Comment]
Backgroundl Open or shorted injector control
l Grounds for the injector circuits are provided by](/manual-img/19/57345/w960_57345-411.png)
ENGINE
Scan tool 19
Injector Control Circuit.Probable cause,
MIL 27
[Comment]
Backgroundl Open or shorted injector control
l Grounds for the injector circuits are provided by t he PCM.l i n j e c t o r
l Battery power is provided through the
relay (ASD relay) l
Open (ASD) supply l Driver in PCM failed lThis DTC is set if an open or short-circuit conditi on is detected in the control circuit for
the individual injector.
,Range of Checkl Battery voltage: or morel relay (ASD relay): ONl Engine: 3000 or lessSet Condition force is not detected for 3 seconds immediately af ter injectors
OK
NG
Measure at the injector connector Check the following connectors: lDisconnect the connector, and measure at the harnes s side.
SCAN TOOL Actuator test
10 relay (ASD relay) relay (ASD relay) is turned on and off every appro x. l Voltaae between 2 and around with the (ASD relay) on]
OK: Battery positive voltage Check the harness wire between the relay, (ASD and
the injector connector. Repair, if necessary.
Measure at the PCM connector
lDisconnect the connector and measure at the harness side.lDisconnect PCM connector and short terminal (67) of
the harness-side connector to ground.
l Voltage between 7 and ground
OK: Battery positive voltage Check the
between PCM and injector connector. Repair, if
OK
Check Repair
OK
Check trouble symptom.
NG
Replace the PCM.
Revision
Page 413 of 2103
![MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE (NON-TURBO)>
Scan tool 20
Injector C i r c u i tNo.
27
[Comment]l Open or shorted injector control Backgroundl Open injector
l Grounds for the injector circuits are prov MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE (NON-TURBO)>
Scan tool 20
Injector C i r c u i tNo.
27
[Comment]l Open or shorted injector control Backgroundl Open injector
l Grounds for the injector circuits are prov](/manual-img/19/57345/w960_57345-412.png)
ENGINE (NON-TURBO)>
Scan tool 20
Injector C i r c u i tNo.
27
[Comment]l Open or shorted injector control Backgroundl Open injector
l Grounds for the injector circuits are provided by t he PCM.l (ASD) supply l Battery power is provided through the relay (ASD relay).
l Driver tailedlThis DTC is set if an open or short-circuit conditi on is detected in the control circuit the individual injector.
Range of Check
l Battery voltage: or morel relay (ASD relay): ON
l Engine: 3000 or lessSet Conditionl force is not detected for 3 seconds immediately af ter injectors
Measure at the injector connector lDisconnect the connector, and measure at the harnes s side.
SCAN TOOL Actuator test
10
relay (ASD relay)
l Voltage between 2 and ground
[Measure with the relay (ASD relay) on]
OK: Battery positive voltage
OK
Check the harness wire between the relay relay) and
the injector connector. Repair,
Measure at the PCM connector lDisconnect the connector, and measure at the harnes s side.lDisconnect PCM connector and short terminal (67) of
the harness-side connector to ground.
l Voltage between 17 and ground
OK: Battery positive voltage Check the following
Check the harness between PCM and injector if necessary.
OKNGCheck the following connector: Repair,
OK
Check trouble symptom.
N G
Replace the PCM.
Revision
Page 414 of 2103
![MITSUBISHI SPYDER 1990 Service Repair Manual (NON-TURBO)>
Scan tool 21
Injector Control CircuitNo.
,
Probable cause
27
[Comment]l Open or shorted injector control Backgroundl O p e n i n j e c t o rl Grounds for the injec MITSUBISHI SPYDER 1990 Service Repair Manual (NON-TURBO)>
Scan tool 21
Injector Control CircuitNo.
,
Probable cause
27
[Comment]l Open or shorted injector control Backgroundl O p e n i n j e c t o rl Grounds for the injec](/manual-img/19/57345/w960_57345-413.png)
(NON-TURBO)>
Scan tool 21
Injector Control CircuitNo.
,
Probable cause
27
[Comment]l Open or shorted injector control Backgroundl O p e n i n j e c t o rl Grounds for the injector circuits are provided by t he PCM.
l voitage supply at injector
l Battery power is provided through the relay (ASD l ’ Driver in failed, , lThis DTC is set if an open or short-circuit conditi on is detected in the circuit for
the individual injector. ,
Range of Check
l Battery
or morel relay (ASD relay): ONl Engine: 3000 or less
Set Condition
l force is not detected for 3 seconds immediately af ter injectors . .
SCAN TOOL Actuator test
10 relay (ASD relay)
NG Repair the relay (ASD relay) circuit.
OK: The reiav sound can be heard.
NGCheck the injector. (Refer to Replace
OK
Measure at the injector connector lDisconnect the connector, and measure at the harnes s side.
SCAN TOOL Actuator test 10
relay (ASD relay) relay isturnedonandoff everyapprox. l between 2 and ground
[Measure with the relay (ASD relay) on]
OK: Battery positive
OK
Check the harness wire between the relay (ASD relay) and
the injector connector. Repair, if necessary.
Measure at the PCM connector
lDisconnect the connector, and measure at the harnes s side.lDisconnect PCM connector A-l 07 and short terminal (67) of
the harness-side connector to ground.
l
between 13 and ground
OK: Battery positive
Check the following connectors:
Check the harness between PCM and injector connecto r. if necessary.
OK
Check the following connector:
OK
NG Repair
Check trouble symptom.
NG
Replace the PCM.
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Page 415 of 2103
![MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE (NON-TURBO)>
Scan tool 25
Code General scan tool
No. Air Control Motor Circuits
25,
[Comment]l Driver circuit shorted to groundBackgroundl Driver circuit shorted to batte MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE (NON-TURBO)>
Scan tool 25
Code General scan tool
No. Air Control Motor Circuits
25,
[Comment]l Driver circuit shorted to groundBackgroundl Driver circuit shorted to batte](/manual-img/19/57345/w960_57345-414.png)
ENGINE (NON-TURBO)>
Scan tool 25
Code General scan tool
No. Air Control Motor Circuits
25,
[Comment]l Driver circuit shorted to groundBackgroundl Driver circuit shorted to batterylThe idle air stepper motor is used to prevent the engine from at
l shorted to togetheridle.l PCM failed
With the throttle plate completely placing a load on the engine (A/C or power l Shorted motor
steering operation) might cause the engine to stall or run rough.
lAs the PCM anticipates load, it operates the motor, opening the throttle bypass passageand allowing more air into the intake manifold.
l Malfunction of this system cause rough idle and emissions.lThe PCM cannot detect an open circuit or determine if the stepper motor is stuck in
one position.
Range of Check
l Battery
10 or more . .
l ignition switch: ON
Set Condition
lA short or open circuit condition is detected in a motor circuit for 3 seconds.
Check the idle air motor. (Refer to Replace
Check NG Repair
OK
Check trouble symptom.
N G
NG
harness wire between PCM and the Repair
Replace the PCM.
TSB Revision
Page 416 of 2103
E N G I N E ( N O N - T U R B O ) >
Scan tool 26
Code
No.
scan tool Position Sensor
24
[Comment]
Backgroundl Sensor circuit shorted to
lThe sensor consists of a resistor that provides a signal to the PCMbasedl p o s i t i o n l of on the position of the throffle blade.
l The PCM uses throffle body position information to adjust fuel injector width.,Range of Checkl ignition switch: ON ,Set Conditionl
Throttle position sensor output remains less than for 1 second.
NGCheck the position Replace ,
OK
Measure at the throttle position sensor connector lDisconnect the connector, and measure at the harnes s side.
l between 3 and ground
(ignition switch: ON)
OK: 4.8-5.2
OK
Check connectors:
Check the harness wire and the TPSconnector.Repair, if necessary.
Check the following connectors:
OK
Check trouble symptom.
NG Repair
Check harness wire between the PCM and the TPS connector . Repair
the PCM.
TSB Revision