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37

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OpenCircuitTest

Theopencircuittestwillapplyvoltagetothecablingandcheckforanyopencircuits.

1. Ensureallthedevicesarestilldisconnectedfromthebus.

2. Reconnectthecablestothecontrolmodule.(C01,battery,display)

3. Turnonthesystempower.

4. Using a

voltmeter, measure the voltage of the following pin combinations at each of the sensor

connections.

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Pin# Pin# Value

1 3 0.5to6VDC

1 4 0.5to6VDC

1 6 12±3VDC

2 5 12±3VDC

5. Ifanincorrectvalueismeasured,continuebytestingatthenextconnectionuntiltheproblemcable

isisolated.

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