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Page Title:
WINDSHIELD WIPER DOES NOT OPERATE ON INTERMITTENT SPEED (CONT) |
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 TM 9-2320-366-20-1
TM
e80. WINDSHIELD WIPER DOES NOT OPERATE ON INTERMITTENT SPEED (CONT)
e80.
KNOWN INFO
TEST OPTIONS
2.
Windshield washer
Continuity Test or
operates.
STE/ICE-R #91
Is continuity present
REASON FOR QUESTION
Horn operates.
between connector PX21-4
If continuity is not present,
Windshield wiper operates
and a known good ground?
wire 3034 is faulty.
on high speed.
Windshield wiper operates
on low speed.
POSSIBLE PROBLEMS
Faulty dashboard cable
NO
assembly.
Repair wire 3034 (para 2-45)
Faulty windshield wiper
or replace WTEC II dashboard cable
motor.
YES
assembly (para 7-10) or WTEC III
Faulty turn signal switch.
dashboard cable assembly (para 7-11).
Faulty windshield wiper
ECU.
WARNING
KNOWN INFO
TEST OPTIONS
Read WARNING
3.
Windshield washer
Voltage Test or
on following page.
operates.
STE/ICE-R #89
Is 24 vdc present on
REASON FOR QUESTION
Horn operates.
connector PX22-5?
This question eliminates
Windshield wiper operates
possible problems and
on high speed.
determines where
Windshield wiper operates
troubleshooting continues.
on low speed.
POSSIBLE PROBLEMS
NO
Faulty windshield wiper
motor.
Faulty dashboard cable
YES
Go to step 6 of this fault.
assembly.
Faulty turn signal switch.
Faulty windshield wiper
ECU.
2-902
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