TM9-4935-481-14-1
Table 3-16. Tracker Performance Test-Continued
Table 3-16. Tracker Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
Detector Plug Resistance Checks (W1P1)
Monitor with DMM
pos probe
neg probe
Reading
Monitor with DMM
28
Pin 2 (W1P1)
Pin 3 (W1P1)
0.170 k ohms
pos probe
neg probe
Reading
29
Pin 7 (W1P1)
Pin 3 (W1P1)
0.360 k ohms
12
Pin 4
Pin 8
> 200 k ohms
30
Pin 8 (W1P1)
Pin 9 (W1P1)
0.100 k ohms
13
Pin 8
Pin 4
< 500 ohms*
31
Pin 4 (WlP1)
Pin 9 (WlP1)
E0000
14
Pin 8
Pin 1
< 500 ohms*
32
Pin 9 (W1P1)
Pin 4 (W1P1)
Increases steadily
15
Pin 1
Pin 8
> 200 k ohms
to 755 k ohms
16
Pin 6
Cable case
< 0.0015 k ohms
33
Pin 9 (W1P1)
Pin 9 (W2P1)
E0000
17
Pin 6
Pin 4
E0000
34
If any of the above readings are out of tolerance, troubleshoot the two wiring harnesses and repair as
18
Pin 6
Pin 8
E0000
necessary.
19
Pin 6
Pin 1
E0000
35
If the above readings are not out of tolerance:
* Use multimeter Simpson 260 or equivalent for this reading.
D
Forward tracker to G/S.
G
Troubleshoot and replace the nutator or tracker
Nutator Plug (W1P1) Firing Mechanism Plug (W2P1) Resistance Checks
housing as necessary.
36
Rerun the tracker on the TTS.
Monitor with DMM
pos probe
neg probe
Reading
37
G
Perform the purging procedure if required.
38
PP
MAIN POWER switch to OFF.
20
Pin 1 (W1P1)
Pin 6 (W1P1)
1.200 k ohms
TRIG OUTPUT Failure Test
21
Pin 1 (W1P1)
Pin 3 (W1P1)
0.620 k ohms
22
Pin 1 (W1P1)
Pin 8 (W1P1)
E0000
NOTE
23
Pin 1 (W1P1)
Pin 4 (W1P1)
E0000
To be performed only if the tracker failed the TTS TRIG
24
Pin 1 (W1P1)
Pin 9 (W2P1)
E0000
OUTPUT test.
25
Pin 1 (W1P1)
Pin 5 (W2P1)
E0000
26
Pin 6 (W1P1)
Pin 3 (W1P1)
0.620 k ohms
27
Pin 2 (W1P1)
Pin 7 (W1P1)
0.190 k ohms
3-272
