TM 5-3805-294-23-1
0051
TROUBLESHOOTING PROCEDURE
Table 1. DTC 629.13 - Engine Control Unit (ECU) Boot Block Error.
Test or Inspection
Corrective Action
Malfunction
1.
Turn key switch to ON position,
1.
DTC 629.13 - ECU
but DO NOT START ENGINE
Boot Block Error is
(TM 5-3805-294-10). (Volume
an Active DTC.
5, WP 0794)
2.
Clear and refresh DTC's.
(Volume 3, WP 0362)
3.
Disconnect Service
ADVISOR. (Volume 3,
WP 0375)
4.
Turn key switch to OFF
position (TM 5-3805-294-10).
(Volume 5, WP 0794)
5.
Wait 5 minutes, then turn key
switch to ON position, but DO
NOT START ENGINE (TM
5-3805-294-10). (Volume 5,
WP 0794)
6.
Connect Service ADVISOR.
(Volume 3, WP 0375)
7.
Clear and refresh DTC's.
1.
If DTC 629.13 - ECU boot
block error does not appear as
(Volume 3, WP 0362)
an active DTC, problem
corrected.
2.
If DTC 629.13 - ECU boot
block error does appear as an
active DTC, turn key switch to
OFF position (TM
5-3805-294-10) (Volume 5,
WP 0794) and proceed to
Malfunction 2.
1.
Replace ECU. (Volume 4,
2.
ECU is Faulty.
WP 0508)
2.
Turn key switch to ON position,
but DO NOT START ENGINE
(TM 5-3805-294-10). (Volume
5, WP 0794)
3.
Clear and refresh DTC's.
(Volume 3, WP 0362)
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