Was the SIR Diagnostic System Check performed?

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Go to Step 2

Go to SIR Diagnostic System Check

2

1. Set the parking brake.
2. Turn the ignition switch to the RUN position.

Does the BRAKE indicator turn ON?

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Go to Step 3

Go to Step 13

3

1. Turn the ignition switch to the OFF position.
2. Disconnect the inline connectors C215 and C216.
3. Disconnect the inflatable restraint sensing and diagnostic module (SDM). Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement .
4. Install the J 42113 SIR Shorting Bar Tool to the SDM wiring harness connector so that the shorting bar between terminal A9 and terminal A18 is properly lifted.
5. Turn the ignition switch to the RUN position.
6. Use the J 39200 Digital Multimeter (DMM) to measure the voltage between terminal A9 of the SDM wiring harness connector and a known good ground.

Is the measured voltage more than the specified value?

10.0 V

Go to Step 4

Go to Step 6

4

1. Turn the ignition switch to the OFF position.
2. Disconnect the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.
3. Turn the ignition switch to the RUN position.
4. Use the J 39200 to measure the voltage between terminal A9 of the SDM wiring harness connector and a known good ground.

Is the measured voltage less than the specified value?

1.0 V

Go to Step 24

Go to Step 5

1. Turn the ignition switch to the OFF position.
2. Locate a short to B+ in CKT 358.
3. Repair the short to B+ in CKT  358.
4. Reconnect the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Is the repair complete?

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Go to Step 25

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6

1. Turn the ignition switch to the OFF position.
2. Remove the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.
3. Check the instrument cluster connector C2 for a proper connection at terminal H.

Is the connector damaged or corroded?

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Go to Step 7

Go to Step 8

Repair the instrument cluster connector C2. Refer to Connector Repairs in Wiring Systems.

Is the repair complete?

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Go to Step 25

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8

1. Remove the AIR BAG warning lamp. Refer to Instrument Cluster Indicator Lamp Replacement in Instrument Panel, Gauges and Console.
2. Inspect the AIR BAG warning lamp.

Is the AIR BAG warning lamp good?

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Go to Step 10

Go to Step 9

1. Replace the AIR BAG warning lamp. Refer to Instrument Cluster Indicator Lamp Replacement in Instrument Panel, Gauges and Console.
2. Install the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Is the repair complete?

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Go to Step 25

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10

1. Install the AIR BAG warning lamp. Refer to Instrument Cluster Indicator Lamp Replacement in Instrument Panel, Gauges and Console.
2. Use the J 39200 to measure the resistance between terminal H of the instrument cluster connector C2 and terminal A9 of the SDM wiring harness connector.

Is the measured resistance within the specified value?

0-2 ohms

Go to Step 12

Go to Step 11

1. Locate an open or a high resistance in CKT 358.
2. Repair the open or the high resistance in CKT 358.
3. Install the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Is the repair complete?

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Go to Step 25

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Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Is the repair complete?

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Go to Step 25

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13

1. Turn the ignition switch to the OFF position.
2. Remove the IP-IGN Fuse.
3. Inspect the fuse.

Is the fuse good?

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Go to Step 19

Go to Step 14

1. Replace the fuse.
2. Turn the ignition switch to the RUN position for 10 seconds.
3. Turn the ignition switch to the OFF position.
4. Remove the IP-IGN Fuse.
5. Inspect the fuse.

Is the fuse good?

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Go to Step 18

Go to Step 15

15

1. Disconnect the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.
2. Use the J 39200 to measure the resistance between terminal I of the instrument cluster connector C2 and a known good ground.

Is the measured resistance less than the specified value?

OL

Go to Step 16

Go to Step 17

1. Locate a short to ground in CKT 39.
2. Repair the short to ground in CKT 39.
3. Replace the IP-IGN Fuse.

Is the repair complete?

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Go to Step 25

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1. Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.
2. Install the IP-IGN Fuse.

Is the repair complete?

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Go to Step 25

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Install the IP-IGN Fuse.

Is the repair complete?

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Go to Step 25

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19

1. Disconnect the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.
2. Check the instrument cluster connector C2 for a proper connection at terminal I.

Is the connector damaged or corroded?

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Go to Step 20

Go to Step 21

Replace the instrument cluster connector C2. Refer to Connector Repairs in Wiring Systems.

Is the repair complete?

--

Go to Step 25

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21

Use the J 39200 to measure the resistance between terminal I of the instrument cluster connector C2 and each terminal of the IP-IGN Fuse fuseholder.

Is either reading within the specified value?

0-2 ohms

Go to Step 23

Go to Step 22

1. Locate an open or a high resistance in CKT 39.
2. Repair the open or the high resistance in CKT 39.
3. Install the IP-IGN Fuse.

Is the repair complete?

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Go to Step 25

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1. Repair an open or a high resistance in the power feed circuit to the IP-IGN Fuse. Refer to Power Distribution Schematics in Wiring Systems.
2. Install the IP-IGN Fuse.

Is the repair complete?

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Go to Step 25

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Replace the SDM. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement .

Is the repair complete?

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Go to Step 25

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1. Reconnect all SIR components.
2. Make sure that all components and connectors are properly mounted.

Have all the SIR components been reconnected and properly mounted?

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Go to SIR Diagnostic System Check

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