Was the entire Navigation System Check performed?

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Go to step 2

Go to Navigation System Check

1. Disconnect the Navigation Data Processor connector C2.
2. Measure the voltage between cavity 1 of the Navigation Data Processor harness connector C2 and ground with a DMM.

Is the voltage measured within the specified range?

0 V

Go to step 3

Go to step 4

Measure the voltage between cavity 14 of the Navigation Data Processor harness connector C2 and ground with a DMM.

Is the voltage measured within the specified range?

0 V

Go to step 5

Go to step 6

Repair the short to B+ in circuit 2044 between cavity 1 of the Navigation Data Processor connector C2 and cavity 4 of the Navigation Display Module connector C3. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Navigation System Check

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1. Disconnect the Navigation Display Module connector C3.
2. Measure the resistance between cavity 1 of the Navigation Data Processor harness connector C2 and cavity 4 of the Navigation Display Module harness connector C3 with a DMM.

Is the resistance measured within the specified range?

0-2 ohms

Go to step 7

Go to step 8

Repair the short to B+ in circuit 814 between cavity 14 of the Navigation Data Processor connector C2 and cavity 14 of the Navigation Display Module connector C3. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Navigation System Check

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Repair the open in circuit 814 between cavity 14 of the Navigation Data Processor connector C2 and cavity 14 of the Navigation Display Module connector C3. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Navigation System Check

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Repair the open in circuit 2044 between cavity 1 of the Navigation Data Processor connector C2 and cavity 4 of the Navigation Display Module connector C3. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Navigation System Check

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