High Mount Stop Lamp Inoperative. Chevrolet Joy 2008

For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---

1

1. Turn the lights on.
2. Observe the taillamps.

Are the taillamps on?

--

Go to Step 3

Go to Step 2

2 | Repair the taillamps before completing this diagnostic table. Does the center high mounted stop lamp (CHMSL) work after the taillamps are repaired? | -- | System OK | Go to Step 3

3

1. Remove the CHMSL bulb.
2. Check the CHMSL bulb.

Is the lamp bulb defective?

--

Go to Step 4

Go to Step 5

4 | Replace the CHMSL bulb. Is the repair complete? | -- | System OK | --

5

1. Disconnect the CHMSL connector.
2. Use an ohmmeter to measure the resistance between ground and the BLK wire in the CHMSL connector.

Is the resistance equal to the specified value?

0 ohms

Go to Step 7

Go to Step 6

6 | Repair the open circuit between ground and the BLK wire in the CHMSL connector. Is the repair complete? | -- | System OK | --
7 | Repair the open circuit between the brake switch and the CHMSL. Is the repair complete? | -- | System OK | --