(1) Remove 15 screws and two
(2) Loosen screw and disconnect
connector MC9 from ATEC ECU.
(3) Remove four screws and shift
(4) Disconnect connector MC12.
(5) Set multimeter select switch to ohms.
(6) Is there continuity on wire 210A
between connector MC9, terminal 2C
and connector MC12, terminal 1?
(a) If there is no continuity, repair
wire 210A (see schematic Fig 2-20)
or notify DS Maintenance.
(b) If there is continuity, wire 210A
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.
Circuit breakers CB5, CB6, CB12, CB20, CB22, CB23 and relays R3, R13 - R19, R26, R28, R32, R33
are always electrically hot and can cause severe injury to personnel. Care must be exercised when
working under the electrical circuit board cover.