1990 MITSUBISHI SPYDER Service Repair Manual

child seat transmission oil steering display low oil pressure open bonnet

Page 1745 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ABS Troubleshooting
INSPECTION PROCEDURE 3
ignition key is turned to “ON’? (engine stopped),ProbableABS warning light does not illuminate
[Comment]When power is supplied to the ABS-

ABS Troubleshooting
INSPECTION PROCEDURE 3
ignition key is turned to “ON’? (engine stopped),ProbableABS warning light does not illuminate
[Comment]When power is supplied to the ABS-ECU, the valve relay changes from to OFF ON by the initial check, and thus even if there is a problem with the circuit betweenABS warning light and ABS-ECU, the light will illum inate once when the valve relayis OFF.Accordingly, the cause of the light not illuminating is probably an open circuit in the
light power circuit, a blown light bulb, or an open circuit in both the circuit between
the ABS
liaht and the ABS-ECU and the circuit between the ABS
l Blown fuselBurntout light. bulblMalfunction of wiring. or connector
.
light and the relay.When other lights also do not illuminate, the cause is probab ly a blown fuse.
N GNG ,
Measure at combination meter connector Checkl and l Disconnect the connector and mea-
l Disconnect the connector and mea-
sure atthe combination meter side.
l Continuitv between terminals
OK Continuity
OK
Not
Replace combination meter.
, Check the harnesses between the valve relay and the combination meter,
a n d b e t w e e n t h e A B S - E C U a n d
combination meter (common section).
Repair, if necessary.
INSPECTION PROCEDURE 4
Even after the engine is started, the ABS warning l ight Probable cause ,
remains illuminated.
[Comment]There is probably a short in the ABS light illumination l Malfunction of meter
l Malfunction of valve relay
l Malfunction of ABS-ECU
l Malfunction of wiring
NOTE
This trouble symptom is limited to cases where comm unication with the scan tool is
supply is normal) and the diagnostic trouble code is a normal diagnostic trouble code.
Disconnect the ABS-ECU connector Short circuit inside the combination meter or in the Does the ABS warning light remain illuminated? between the combination meter and the ABS-ECU.
NO
Replace the ABS-ECU.
TSB Revision

Page 1746 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ,
INSPECTION PROCEDURE 5
When ignition key is turned to “START”, ABS warning light Probable
does not illuminate.
[Comment]The ABS-ECU uses the power to the which is cut

Page 1747 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual , , .
PROCEDURE 7
Break operation is
[Comment] o f w h e e l This depending on the driving conditions and the road surface conditions, so ‘ M a l f u n c t i o n _ _
problem diagno

Page 1748 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual t h e . I-,..,
.. .
Short-circuiting the positive probe between a
connector terminal and ground could damage the
wiring, the sensor, ABS-ECU, or all three. Use
care to th

Page 1749 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual A B S Troubleshooting
9
Terminal No.Check pointCheck condition Normal condition
2Relay power supply (Output)
Ignition switch: OFFo v
Ignition switch: ON Battery positive
voltage
6
1.7
s

Page 1750 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ABS Troubleshooting
TERMINAL RESISTANCE AND
CHECK
7 13513413313213113~29~28127126~25124123122~21~20~1~
1.
2.
3.
4.
5.
Turn the ignition switch to
D i s c o n n e c t t h e A B S - E

Page 1751 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual harness 356
ABSOn-vehicle ,
O N - V E H I C L E .
ABS OPERATION CHECK
WHEEL SPEED OUTPUT VOLTAGE CHECK
1. ‘Lift
the vehicle and release the parking brake.
the ECU harness conne

Page 1752 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual On-vehicle
When turning by, hand
-:--‘---t---i-.-i-.-;----~---!---
--!-4--
When idling (5-6 gear (manual transaxle) or (automatic transaxle
10.01
Inspecting Wave Forms With An Osci

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phone center console ABS engine overheat radiator air filter