prime mover smx45 Master Service Manual page 160

F-code Section
PT S5.0
Electrical Functions
Version no T-code
002 SMX
158
Return
C-code
5000
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Shorts to frame can occur at numerous locations on truck
including the following:
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To test for shorts from battery to frame:
1. Press red OFF button "O" on the keypad. Depress
main ON/OFF switch to the OFF position.
Disconnect the battery connector from the truck.
2. Using a voltmeter set on a 50Vdc scale, attach the
leads as follows:
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The voltmeter must shown no more than 3V.
3. Attach the leads as follows:
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Master Service Manual
Motor brush leads touching housing
Insulation breakdown
Bare wires
Pinched wiring harness
Circuit cards improperly mounted
Batteries
Motors
Cables, wiring, and harnesses
Heat sinks
Bus bars
Solenoids
Contactors
Terminal strips
Switches
Power panel insulation
Circuit card mounts
Negative (-) lead to an unpainted, grounder
surface on the truck frame
Positive (+) lead to the positive battery
terminal.
Negative (-) lead to the negative battery
terminal
2006-12-12