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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.
KNOWN INFO
TEST OPTIONS
6.
Windshield washer
Continuity Test or
operates.
STE/ICE-R #91
Is continuity present
REASON FOR QUESTION
Horn operates.
between connector PX21-3
Windshield wiper operates
If continuity is not present,
and connector J2-4?
on high speed.
wire 1916 is faulty.
Windshield wiper operates
on intermittent speed.
Windshield wiper motor OK.
NO
Turn signal switch OK.
POSSIBLE PROBLEMS
Repair wire 1916 (para 2-45)
Faulty dashboard cable
or replace WTEC II dashboard cable
assembly.
YES
assembly (para 7-10) or WTEC III
Faulty windshield wiper
dashboard cable assembly (para 7-11).
EMI cable.
Faulty windshield wiper
ECU.
KNOWN INFO
TEST OPTIONS
7.
Windshield washer
Continuity Test or
operates.
STE/ICE-R #91
Is continuity present
REASON FOR QUESTION
Horn operates.
between connector P2-4
Windshield wiper operates
If continuity is not present,
and connector PX22-2?
on high speed.
windshield wiper EMI cable
Windshield wiper operates
is faulty. If continuity is
on intermittent speed.
present, windshield wiper
Windshield wiper motor OK.
ECU is faulty.
Turn signal switch OK.
NO
Dashboard cable
assembly OK.
Replace windshield
POSSIBLE PROBLEMS
YES
wiper EMI cable
Faulty windshield wiper
(para 7-68).
EMI cable.
Faulty windshield wiper
ECU.
Replace windshield
wiper ECU (para 7-69).
2-892
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