ATSG AX4S, Update Handbook

Page: 114 / 120

114
Copyright © 2002 ATSG
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Figure 99
00.75
OFF
RPM
RPM COM mA A
10A Max
FUSED
V
V
mV
W W
W W
V
mA
A
mA
A
DC AUTO
FLUKE 88 FLUKE 88
A
WHITE/YELLOW WHITE/YELLOW
To Transaxle
Case Connector
To Pin 38
At Computer
Cut the White/Yellow wire from Pin No. 38 at the computer and connect the DVOM
leads, as shown above, to perform this test. This is known as "connecting in series".
CONNECTING THE DVOM TO CHECK AMPS TO THE TRANSAXLE
1.0
20
75
75
75
75
80
90
.90
30 40 50 60 70 80
.75 .70 .60 .50 .35
145
100
100
100
175
125
125
125
200
145
145
155
225
165
165
175
275
180
180
190
310
210
210
220
----
----
----
----
----
----
----
----
----
----
----
----
EPC AMPS
EPC PSI
P psi
R psi
N psi
OD psi
D psi
L psi
*
With a normally functioning EPC circuit, you will see about 150 PSI on the
pressure gauge while in Park, on "the initial start up", which is part of the
computer strategy, "and is normal". *