TM 3-4240-302-30&P-3
2-6. TROUBLESHOOTING PROCEDURES.
NOTE
All voltages are dc and are measured
with respect to dc return (TB1-1)
unless otherwise specified.
Disassemble PECM
(p. 2-33). Repair short in
ground wire circuits [i.e.,
all wires connected to
terminal board TB1-1
and TB1-2 (p. 2-44)].
Repeat test on this page.
Repair wires #6 and #37
between J20-F and
chassis of PECM
(p. 2-44). Repeat test on
this page.
Repair wires #6 and #33
Proceed to page 2-4.
between J20-F and J21-C
(p. 2-44). Repeat test on
this page.
2-3
