GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Aveo 🢒 Restraints 🢒 Seat Belts 🢒 Seat Belt Indicator Circuit Malfunction

Diagnostic Aids

The chime module is located above the instrument panel (I/P) fuse block.

Step

Action

Values

Yes

No

1

Inspect fuse F4.

Is fuse F4 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. Use a multimeter to check the voltage at fuse F4.

Does the voltmeter show the specified value?

11-14 V

Go to Step 5

Go to Step 4

4

Repair the open power supply circuit for fuse F4.

Is the repair complete?

--

System OK

--

5
  1. Disconnect the chime module connector.
  2. Turn the ignition ON.
  3. Measure the voltage at terminal 8 of the chime module connector.

Is the voltage equal to the specified value?

11-14 V

Go to Step 7

Go to Step 6

6

Repair the open circuit between fuse F4 and the chime module.

Is the repair complete?

--

System OK

--

7
  1. Make sure the seat belt is unfastened.
  2. With the chime module connector disconnected, use an ohmmeter to measure continuity between terminal 1 of the chime module and ground.

Does the ohmmeter indicate the specified value?

0 ohms

Go to Step 13

Go to Step 8

8
  1. Make sure the seat belt is unfastened.
  2. Disconnect the seat belt connector under the driver seat.
  3. Use an ohmmeter to measure between the 2 terminals at the switch side of the connector.

Does the ohmmeter indicate the specified value?

0 ohms

Go to Step 9

Go to Step 12

9

While the seat belt connector is disconnected, measure the continuity between the terminal for the BK wire and ground.

Does the ohmmeter indicate the specified value?

0 ohms

Go to Step 10

Go to Step 11

10

Repair the open circuit between the seat belt connector and ground.

Is the repair complete?

--

System OK

--

11

Repair the open circuit between terminal 1 of the chime module and the seat belt switch.

Is the repair complete?

--

System OK

--

12

Replace the seat belt switch.

Is the repair complete?

--

System OK

--

13

With the chime module disconnected, use an ohmmeter to measure continuity between terminal 5 of the chime module and ground.

Does the ohmmeter indicate the specified value?

0 ohms

Go to Step 15

Go to Step 14

14

Repair the open circuit between terminal 5 of the chime module and ground.

Is the repair complete?

--

System OK

--

15

Inspect the seat belt warning lamp.

Is the warning lamp OK?

--

Go to Step 17

Go to Step 16

16

Replace the seat belt warning lamp.

Is the repair complete?

--

System OK

--

17

Replace the chime module. Refer to Audio Alarm Module Replacement .

Is the repair complete?

--

System OK

--