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Page Title:
S21 1 - TOO FEW SRS (MISSING SRS) (cont) |
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 TM 9-2320-364-20-1
Section IV. TROUBLESHOOTING CHARTS (Cont.)
E. FLASH CODE:
42
J1587 CODE:
S21 1 - TOO FEW SRS (MISSING SRS)
STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
42-9
Check for Short
Disconnect TRS connector.
Less than or
Signal line (ckt #110) is shorted
Read resistance between sockets
equal to 10,000 ohms.
to return line (ckt #109). Repair
T1 and T2 on engine harness
short. Then go to 42-30.
connector.
Greater than
Go to 42-11.
10,000 ohms or open.
42-10
Open TRS Line Check
Install a jumper wire between
Less than or
Go to 42-11.
sockets A and B of TRS
equal to 5 ohms.
connector.
Read resistance between sockets
Greater than
Signal line (ckt #110) or return
T1 and T2 of engine harness
5 ohms or open.
line (ckt #109) is open. Repair
connector.
open. Then go to 42-30.
42-11
TRS Test
Read resistance of TRS
Less than or
Go to 42-13.
across sensor connector
100 ohms.
pins A and B.
From 100 to 200 ohms.
Go to 42-7.
Greater than 200 ohms.
Go to 42-13.
42-12
Check SRS Connectors
Check connectors at SRS (both
Connectors
SRS requires replacement. Notify
harness side and SRS side)
are okay.
supervisor. Then go to 42-14.
for corrosion, damaged or
unseated pins or sockets, or bad
Problem found.
Repair terminals/connectors
contacts.
(para 7-101). Then go to 42-30.
2-709
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