TM-9-2320-361-24-1
2-1/2 TON, 6X6, M44A2 SERIES TRUCKS
TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2
AUGUST 2006
TM-9-2320-361-24-1 - Page 233 of 1176
TM 9-2320-361-24-1
0013 00
0013 00-21
LIGHTING AND WIPER SYSTEM TROUBLESHOOTING (Contd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. TURN SIGNALS
OPERATE
INCORRECTLY
WITH TURN
SIGNAL CONTROL
LEVER
IN ONE OR MORE
POSITIONS
Test turn signal control unit continuity.
1. Place battery switch in OFF
position.
2. Remove cable connector from
turn signal switch.
3. Remove indicator lamp from
turn signal switch (WP 0102 00).
4. Set multimeter to RX 1 scale.
5. Check circuits according to
Control Unit Test Chart, below.
If any circuit does not test as shown in
the Control Unit Test Chart, replace
turn signal switch (WP 0102 00).
TURN
SIGNAL
SWITCH
TURN
SIGNAL
LAMP
CABLE
CONNECTOR
Table 3. Directional Signal Systems Troubleshooting Procedures (Contd).
CONTROL UNIT TEST CHART
A. Directional signal control lever in NEUTRAL
position
CONTINUITY
FROM PIN
TO PIN
INDICATION
H
A
OPEN
H
B
OPEN
H
C
OPEN
H
E
OPEN
D
C
SHORTED
D
E
SHORTED
F
G
OPEN
C. Directional signal control lever in RIGHT TURN
position
CONTINUITY
FROM PIN
TO PIN
INDICATION
F
G
SHORTED
H
A
SHORTED
H
E
SHORTED
H
B
OPEN
H
C
OPEN
D
C
SHORTED
D
E
OPEN
B. Directional signal control lever in LEFT TURN
position
CONTINUITY
FROM PIN
TO PIN
INDICATION
H
B
SHORTED
H
C
SHORTED
H
A
OPEN
H
E
OPEN
F
G
SHORTED
D
E
SHORTED
D
C
OPEN
D. Directional signal control lever in HAZARD
WARNING position
CONTINUITY
FROM PIN
TO PIN
INDICATION
H
A
SHORTED
H
B
SHORTED
H
C
SHORTED
H
E
SHORTED
D
E
OPEN
D
C
OPEN
F
G
SHORTED
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