182 KENR9126
Troubleshooting Section
Test Step 5. Bypass the Application
Harness
Batteries giv e off flammable fumes which can ex-
plode.
To avoid injury or death, do not strike a match,
cause a spark, or smoke in the vicinity of a battery.
NOTICE
Do not conn
ect the bypass harness to the battery un-
til all of the in-line fuses have been removed from the
Battery+ line. If the fuses are not removed before con-
nection to
the battery, a spark may result.
Note: The bypass harness is only for test
applicat
ions. This bypass harness must be removed
before the application is released to the customer.
Thebypassharnesscanbeusedinorderto
determi
ne if the cause of the intermittent fault is an
interruption in battery power to the ECM or to the
keyswitch circuit.
g01803954
Illustration 72
Schematic for the byp ass application harness
A. Turn the keyswitch to the OFF position.
B. Disconnect the P1 connector from the ECM
connector.
C. Connect a bypass harness to the ECM.
D. Remove the fuses from the Battery+ wire of the
bypass harness and connect the Battery+ and the
Battery- wires directly to the battery terminals.
To Next Page
Loading...
