Inspect fuse 10 in the fuse block.

Is fuse 10 open?

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Go to Step 2

Go to Step 3

1. Replace fuse 10.
2. Inspect fuse 10 again.

Is fuse 10 open again?

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Go to Step 13

Go to Step 3

Do the following components operate normally?

1. Radio hold time/memory presents
2. Audible warnings (fasten belt reminder chime and key-in ignition chime).

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Go to Step 4

Go to Step 14

Inspect fuse 12 in the fuse block.

Is fuse 12 open?

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Go to Step 5

Go to Step 6

1. Replace fuse 12.
2. Turn the ignition switch to the RUN position.
3. Inspect fuse 12 again.

Is fuse 12 open again?

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Go to Step 15

Go to Step 6

1. Turn the ignition switch to the LOCK position.
2. Turn the ignition switch to the RUN position.
3. Observe the Service Engine Soon (MIL) indicator lamp in the instrument cluster.

Does the MIL light?

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Go to Step 7

Go to Step 16

1. Turn the ignition switch to the LOCK position.
2. Disconnect the theft deterrent module.
3. Use a test light to probe between the theft deterrent module harness connector terminal A1 and the ground.

Does the test light illuminate?

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Go to Step 8

Go to Step 17

1. Turn the ignition switch to the RUN position.
2. Use a test light to probe between the theft deterrent module harness connector terminal A2 and the ground.

Does the test light illuminate?

--

Go to Step 9

Go to Step 18

Use a test light to probe between B+ and the theft deterrent module harness connector terminal B5.

Does the test light illuminate?

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Go to Step 10

Go to Step 19

1. Turn the ignition switch to the LOCK position.
2. Connect a fused jumper between the theft deterrent module harness connector terminal A5 and the ground.
3. Turn the ignition switch to the RUN position.

Does the SECURITY indicator light illuminate?

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Go to Step 21

Go to Step 11

1. Turn the ignition switch to the LOCK position.
2. Remove and disconnect the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console for service procedures.
3. Use a DMM to measure the resistance between the instrument cluster harness connector terminal D16 and the theft deterrent module harness connector terminal A5.

Is the resistance within the specified range?

Less than 2 ohms

Go to Step 12

Go to Step 20

The SECURITY indicator is inoperative due to a problem with the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console for more information. Make repairs as needed.

Has the repair been made?

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Go to Step 22

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Repair the short to ground in CKT 640.

Has the repair been made?

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Go to Step 22

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Inspect for the following conditions:

Has the repair been made?

--

Go to Step 22

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Repair a short to ground in CKT 339 in Wiring Systems for schematic.

Has the repair been made?

--

Go to Step 22

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1. Inspect for a poor connection or an open in the power feed CKT to fuse 12 in Wiring Systems for schematic.
2. Make repairs as needed.

Has the repair been made?

--

Go to Step 22

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Repair a poor connection or an open in CKT 640.

Has the repair been made?

--

Go to Step 22

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Repair a poor connection or an open in CKT 339 in Wiring Systems for schematic.

Has the repair been made?

--

Go to Step 22

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1. Repair a poor connection or an open in CKT  1550.
2. Inspect for a clean tight G201.

Has the repair been made?

--

Go to Step 22

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Repair a poor connection or an open in CKT 728.

Has the repair been made?

--

Go to Step 22

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1. Inspect the theft deterrent module harness connector for poor terminal contact.
2. If the connector is OK, replace the theft deterrent module. Refer to Theft Deterrent Module Replacement for replacement procedures.

Has the repair been made?

--

Go to Step 22

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1. Turn the ignition switch to the LOCK position.
2. Reconnect any connectors/components removed.

Is the action complete?

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Go to Vehicle Theft Deterrent (VTD) System Check

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