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Page Title:
Table 3-3. Switch Continuity Checks (CONT) |
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 TM 3-6665-329-13&P
Table 3.3 Switch Continuity Checks
Measure Resistance
Set
Switch
If reading is
Switch
Name
incorrect:
Should
From
To
To
Read
1. Test switch.
AUTOMATIC
ON
P1 Pin 3
P1 Pin 4
Open
Replace defective
BACKGROUND
switch (Para 3-31).
2. Test for bro-
ken switch wires.
Replace branched
wiring harness
1. Test switch.
P1 Pin 3
MOTOR TURN-
OFF
P1 Pin 4
Short
Replace defective
P3 Pin 2
OFF
P2 Pin B
Short
Depress
switch (Para 3-33).
(Push-
P3 Pin 2
P2 Pin B
Open
Release
switch)
2. Test for bro-
ken switch wires.
Replace branched
wiring harness
OFFSET
1. Test switch.
P1 Pin
8
P1 Pin 1
162K 2%
(-)
INPUT
NEUTRAL
Replace defective
P1 Pin
8
P1 Pin 1
Open
NEUTRAL
switch (Para 3-31).
P1 Pin
8
P2 Pin A
Open
(+)
P1 Pin
8
P2 Pin A
69K 2%
2. Test for bro-
ken switch wires.
Replace branched
wiring harness
Table 3-4. Lamp Resistance Checks
Measure Resistance
If reading is
Lamp
Switch
incorrect;
Name
Settings
Should
From
To
Read
REMOTE
None
J3 Pin 15
J3 Pin 45
18 ohms
1. Replace lamp
None
J3 Pin 17
HORN
J3 Pin 24
18 ohms
(Electronics
module
section)
3-41
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