Mitsubishi MOTORS Eclipse 1997, Service Manual

Page: 431 / 540

CHASSIS ELECTRICAL
Ignition Switch
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
INSPECTION PROCEDURE
Communication with scan tool is not possible. (Communication with all Probable cause
systems is not possible.)
I
[Comment] ‘of connector
The reason is probably a defect in the power supply system (including ground) for the diagnostic line.
l
Malfunction of harness
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Refer to GROUP Troubleshooting Engine (Turbo) and
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Refer to GROUP Troubleshooting Engine (Turbo) and
INSPECTION PROCEDURE 2
Communication with scan tool is not possible. (Communication with the Probable cause
one-shot pulse input signal only is not possible.)
[Comment]
The cause is probably a defective one-shot pulse input signal circuit system of the diagnostic line.
Malfunction of connector
of
harness
. of ECU
Check the harness between the data
link connector and junction
NG
Check the following connectors: Repair
and
OK
Repair
the ECU.
INSPECTION PROCEDURE 3
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While key hole illumination light is illuminated, ignition key turned Probable cause
to the ON position but key hole illumination light does not switch off.
(However, it switches off after
seconds.)
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the ignition key reminder warning buzzer sounds, the buzzer
does not stop sounding when the ignition key is turned to the ON
position. (The buzzer does not sound by closing the driver’s door.)
[Comment]
The cause is probably a defective ignition switch input circuit or a defective ECU.
Malfunction of connector
Malfunction of
wire
. Malfunction of ECU
Scan Tool Input Signal Inspection
,
Disconnect the block connec-
tor and measure at the harness
side.
and
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Voltage between the terminal (6)
and ground.
OK: Battery positive voltage
Check the harness wire between the
switch and junction block.
TSB Revision