TM 10-5410-228-24
2.13.27 Electrical Cable Replacement Continued.
b. Removal (Refer to Figure 2-48)
(1)
Prior to disconnecting cable, ensure cable end is clearly identified for later installation.
(2)
Remove screw (17), lockwasher (18), two flat washers (19) and nut (20) securing clamp (21) and
cable assembly 1A4A1W2 inside ECU. Discard lockwasher (18).
(3)
Remove four screws (22), four flat washers (23), four lockwashers (24) and four nuts (25)
securing cable assembly 1A4A1W2 connector J2 to ECU. Discard four lockwashers (23).
(4)
Tag leads and remove attaching hardware securing direct wired end of cable assembly
1A4A1W2 to heater elements.
(5)
Pull cable assembly 1A4A1W2 through grommet and remove from ECU.
(6)
Remove spiral wrap from cable assembly 1A4A1W2.
(7)
Prior to disconnecting cables, ensure cable ends are clearly identified for later installation.
(8)
Disconnect cable assembly 1A4A1W1 connector P1 from thermistor assembly and connector P2
from actuator RSV1.
(9)
Tag and remove leads from overheat temperature switch.
(10) Remove eight screws (26), eight flat washers (27), eight lockwashers (28) and eight nuts (29)
securing cable assembly 1A4A1W1 connector J1 and connector J3 to ECU. Discard eight
lockwashers (29).
(11) Pull cable assembly 1A4A1W1 through two grommets and remove from ECU.
(12) Remove three screws (30), three lockwashers (31), six flat washers (32) and three nuts (33)
securing three clamps (34) and cable assembly 1A4A1W3 to ECU. Discard three lockwashers
(31).
(13) If cable assembly 1A4A1W1 is installed, remove four screws (35), four flat washers (36), four
lockwashers (37) and four nuts (38) securing cable assembly 1A4A1W3 connector P1 to ECU.
Discard four lockwashers (36).
(14) Disconnect cable assembly 1A4A1W3 connectors P3 through P5, P8, P10 through P17 and P20
from mating connectors.
(15) Tag and remove direct wired ends of cable assembly 1A4A1W3 from their mating connections.
c.
Installation (Refer to Figure 2-48)
(1)
Lay out cables in approximate routing for installation. Ensure each end has correct length for
connecting.
(2)
Attach direct wired ends of cable assembly 1A4A1W3 to their mating connections. Remove tags.
(3)
Secure cable assembly 1A4A1W3 connector P1 to ECU with four screws (35), four flat washers
(36), four new lockwashers (37) and four nuts (38).
(4)
Install three clamps (34) on cable assembly 1A4A1W3. Secure three clamps and cable assembly
1A4A1W3 to ECU with three screws (30), three new lockwashers (31), six flat washers (32) and
three nuts (33).
(5)
Connect cable assembly 1A4A1W3 connectors P3 through P5, P8, P10 through P17 and P20 on
mating connectors.
(6)
Pull cable assembly 1A4A1W1 through two grommets in ECU.
(7)
Secure cable assembly 1A4A1W1 connector J1 and connector J3 to ECU with eight screws (26),
eight new lockwashers (27), eight flat washers (28) and eight nuts (29).
(8)
Attach leads to overheat temperature switch. Remove tags from leads.
(9)
Connect cable assembly 1A4A1W1 connector P1 to thermistor assembly and connector P2 to
actuator RSV1.
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