Mitsubishi MOTORS Space Runner 1998, Workshop Manual

Page: 885 / 1164

EXTERIOR - Windshield Wiper and Washer
51-27
Inspection Procedure 4
The wipers do not stop when the wiper switch is turned off
during the low wiper speed. Probable cause
Probably the front-ECU has stored the conditions before defects take place by a
fail-safe function as the windshield wiper motor was shorted or a malfunction occurred
in the communication line during the wiper operation.
D Malfunction of column switch
D Malfunction of windshield wiper motor
D Malfunction of wiring harness or connector
D Malfunction of front-ECU
NG
Wiper operation check
Does the wiper stop when the ignition switch is turned off?
NO
Check the windshield wiper motor (Refer to P.51-32.)
OK
MUT-
II
Self-Diag code
Check the ETACS-ECU diagnosis codes.
OK
Check trouble symptom.
NG
Check the harness wire between the ignition switch (ACC) and
the windshield wiper motor, and repair if necessary.
Check trouble symptom.
YES
Check the following connectors:
A-01, A-25X, B-66, B-103, B-89,
A-28 <R.H. drive vehicles>
NG
Repair
INSPECTION CHART FOR DIAGNOSIS CODES (Refer to
GROUP 54 - SWS.)
OK
Repair
Inspection Procedure 5
The operating interval of the wipers does not change
when the variable intermittent wiper switch is operated
during constant vehicle speed. Probable cause
The cause may be a malfunction of the vehicle speed sensor input circuit, harness
or connector, column switch or ETACS-ECU.
The front-ECU can be normal as the wipers operate at the “LO”, “HI” and “INT” mode.
D Malfunction of column switch
D Malfunction of wiring harness or connector
D Malfunction of ETACS-ECU
MUT- II Self-Diag code
Are any of the ETACS-ECU diagnosis codes output?
YES
INSPECTION CHART FOR DIAGNOSIS CODES (Refer to
GROUP 54 - SWS.)
OK
MUT-
II
Input check
D Windshield wiper switch (Variable intermittent wiper switch)
NG
Replace the column switch.
NO
Replace the ETACS-ECU.