For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---
1 | Inspect fuse F3. Is fuse F3 open? | -- | Go to Step 2 | Go to Step 3
2 |

1. Inspect for a short circuit and repair, if necessary.
2. Replace the fuse.

Is the repair complete?

--

System OK

--

3 |

1. Turn the ignition ON.
2. Measure the voltage at fuse F3.

Does the voltage measure as specified?

11-14 V

Go to Step 5

Go to Step 4

4 | Repair the open power supply circuit for fuse F3. Is the repair complete? | -- | System OK | --
5 |

1. Disconnect the seat belt connector under the driver seat.
2. Connect a jumper wire between the terminals of the seat belt harness connector.
3. Turn the ignition ON.

Does the seat belt warning lamp turn ON?

--

Go to Step 6

Go to Step 7

6 | Replace the seat belt switch. Is the repair complete? | -- | System OK | --
7 |

1. Remove the instrument cluster.
2. Inspect the seat belt warning lamp bulb.

Is the warning lamp OK?

--

Go to Step 9

Go to Step 8

8 | Replace the seat belt warning lamp bulb. Is the repair complete? | -- | System OK | --
9 | Repair the open circuit between terminal B7 of the instrument cluster and ground. Is the repair complete? | -- | System OK | --