Mitsubishi Pajero Pinin 1999 - Page 860

SWS ± Troubleshooting
54B-25
Inspection Procedure F-4
Windshield wiper and washer: Windshield intermittent
wiper interval cannot be adjusted.
Probable cause
The ETACS-ECU calculates the intermittent wiper interval, and sends a signal to
the front-ECU through the SWS communication line. If the signal is defective,
the front-ECU will ignore the signal and set the intermittent wiper interval to 4
seconds.
D Malfunction of column switch
D Malfunction of front-ECU
D Malfunction of ETACS-ECU
D Malfunction of harness wire or connector
MUT-II input signal check
D Windshield intermittent wiper interval adjusting knob
NG
Check the windshield wiper interval adjusting knob input circuit.
(Refer to P.54B-45, Inspection Procedure N-15.)
OK
Replace the front-ECU or ETACS-ECU.
Inspection Procedure F-5
Windshield wiper and washer: Windshield washer does
not work.
Probable cause
The windshield washer motor, the column switch or the front-ECU may be
defective.
D Malfunction of windshield washer motor
D Malfunction of column switch
D Malfunction of front-ECU
D Malfunction of harness wire or connector
Is the windshield wiper operated normally?
No
Check the windshield wiper. (Refer to P.54B-11, Trouble Symptom
Chart.)
Yes
MUT-II input signal check
D Windshield washer switch
NG
Check the windshield washer switch circuit. (Refer to P.54B-45,
Inspection Procedure N-14.)
OK
Check the windshield washier motor. (Refer to GROUP 51 ± Wind-
shield Wiper and Washer.)
NG
Replace
OK
Measure at windshield washer motor connector A-74.
D Disconnect connector and measure at harness side.
D Continuity between terminal 1 and body earth.
OK: Continuity
NG
Check the following connector:
A-74
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between windshield washer motor and
body earth.
OK
Check the following connectors:
A-38X, A-74
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between windshield washer motor and
front-ECU.
NG
Repair
OK
Replace the front-ECU.