(Table 160, contd)
Troubleshooting Test Steps
Values Results
D. Install the replacement communications adapter and the set of
cables for the electronic service tool and connect to the diagnostic
connector.
E. Turn the keyswitch to the ON position.
F. If changing the communications adapter or the cables allows
the electronic service tool to operate correctly, perform steps G to
H.
G. Replace the components from the new set of cables with com-
ponents from the original set of cables. Replace one component at
a time.
H. Apply power to the electronic service tool after each of the com-
ponents is replaced. Use this method to identify the faulty
component.
I. If changing the cables does not allow the electronic service tool
to operate correctly, connect another electronic service tool.
J. Turn the keyswitch to the ON position.
Batteries give off flammable fumes which can
explode.
To avoid injury or death, do not strike a match,
cause a spark, or smoke in the vicinity of a
battery.
NOTICE
Do not connect the bypass harness to the battery un-
til the in-line fuse has been removed from the Battery
+ line. If the fuse is not removed before connection to
the battery, a spark may result.
290 UENR4469-36
Circuit Tests
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