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Page Title:
WINDSHIELD WIPER DOES NOT OPERATE ON LOW SPEED (CONT) |
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 TM 9-2320-366-20-1
TM
e78. WINDSHIELD WIPER DOES NOT OPERATE ON LOW SPEED (CONT)
e78.
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
2.
on following page.
Windshield washer
Voltage Test or
operates.
STE/ICE-R #89
Is 24 vdc present on
Horn operates.
REASON FOR QUESTION
connector PX22-2?
Windshield wiper operates
If 24 vdc is present,
on high speed.
windshield wiper motor
Windshield wiper operates
is faulty.
on intermittent speed.
POSSIBLE PROBLEMS
NO
Faulty windshield wiper
motor.
Faulty dashboard cable
YES
Go to step 5 of this fault.
assembly
Faulty windshield wiper
EMI cable.
Faulty windshield wiper
ECU.
Replace windshield wiper motor
(para 18-4).
KNOWN INFO
TEST OPTIONS
3.
Windshield washer
Continuity Test or
operates.
STE/ICE-R #91
Is continuity present
Horn operates.
between turn signal
REASON FOR QUESTION
Windshield wiper operates
switch connector
If continuity is not present,
on high speed.
terminals 4 and 5?
turn signal switch is faulty.
Windshield wiper operates
on intermittent speed.
POSSIBLE PROBLEMS
NO
Faulty turn signal switch.
Faulty dashboard cable
assembly.
Replace turn signal
YES
Faulty windshield wiper
switch (para 7-26).
EMI cable.
2-888
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