1990 MITSUBISHI SPYDER Service Repair Manual

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Page 1737 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual INSPECTION PROCEDURE CLASSIFIED BY DIAGNOSTIC TROUBLE
Code No. Wheel speed sensor open circuitProbable cause
[Comment]The ABS-ECU detects breaks in the wheel speed senso
r wire.

Page 1738 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual Code No. 15 Wheel sensor svstem
[Comment] of . This diagnostic trouble code is output when there is an abnormality (other than brokenwire or short circuit) in any of the

Page 1739 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ABSTroubleshooting.
Code No. 22 Stop switch system
[Comment]The ABS-ECU outputs this diagnostic trouble code in the following cases.Stop light switch remains on for more than 1

Page 1740 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ABS, . ,
Code No. Solenoid valve system .
[Comment]l Malfunction of hydraulic unitThe ABS-ECU monitors the solenoid valve drive circuit.lIf no current flows in the solenoid

Page 1741 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual [Comment]l of relayWhen ignition switch is ON, the, switches the valve relay OFFland ON for an check, compares of the signal to the valve relay l of hydraulic unitand valve

Page 1742 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ABS , ,
Code No. 52 Motor relay, motor system
[Comment]The ABS-ECU outputs this diagnostic trouble code for the motor relay and motor
in the following cases.
lWhen motor rel

Page 1743 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ABS CHECK
A B S
1. When the ignition turned to ABS
warning light flashes 4 times during a to
then off.
2.When the ignition to the
warning light remains
3.When the ignition swit

Page 1744 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ABS
Caution
1.If movements are made when driving at speed, or when driving on road
with low frictional resistance, or when passing over bumps, the ABS may
sudden braking is not being

ABS
Caution
1.If movements are made when driving at speed, or when driving on road
with low frictional resistance, or when passing over bumps, the ABS may
sudden braking is not being applied. of this, when getting
2.
check if the problem occurred while driving under s uch conditions
During ABS operation changes in the feeling of the brake pedal occur or
may not be able to be depressed). Such changes are due to in hydraulic
pressure inside the brake line to prevent, the whee ls from locking,
I N S P E C T I O N P R O C E D U R E F O R T R O U B L E S Y M P T O M S ,
INSPECTION PROCEDURE 1
Communication with scan tool is not possible. Probable cause
(Communication with all systems is not possible.)
[Comment]l Malfunction of connector
The reason is probably a defect in the power supply system (including ground) for
the diagnostic line. l
Malfunction harness
Refer to GROUP Troubleshooting
INSPECTION PROCEDURE 2
Communication with scan tool is not possible.
(Communication with ABS only is not Probable cause
,
[Comment]l Blown fuse
When communication with the scan tool is not possib le, the cause is probably an
l Malfunction of wiring harness or connector
open circuit in the ABS-ECU power circuit or an ope n circuit in the diagnostic output
circuit.l Malfunction of ABS power relay
l Malfunction of ABS-ECU
,
l connector and
Continuity between the following
ABS-ECU
to Data link
connector side
23-8
OKNGMeasure at ABS-ECU connector lDisconnect the connector and mea-sure at the harness side.
N G Repair
l Ignition switch ON
l Voltage between terminal 18 and
bodv around. Check trouble symptom.
I positive voltage
OKCheck the harness between No
NG
Measure at ABS-ECU connector
lDisconnect the connector and mea-sure at the harness side.lContinuity between terminals and body ground.OK:
Repair
l
OKNG Repair
OK
Check trouble symptom. Replace the ABS-ECU.
TSB Revision

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