Headlamps Inoperative - High Beams. Chevrolet Joy 2008

For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---
1 | Check the high beam headlamps in the "flash-to-pass" mode. Do the high beam headlamps work in the "flash-to-pass" mode? | -- | Go to Step 2 | Go to Step 3
2 | Replace the headlamp combination switch. Is the repair complete? | -- | System OK | --
3 | Check fuse Ef4. Is fuse Ef4 blown? | -- | Go to Step 4 | Go to Step 5

4

1. Check for a short circuit. Repair it, if necessary.
2. Replace the fuse.

Is the repair complete?

--

System OK

--

5 | Temporarily substitute the illumination lamp relay in place of the headlamp high relay. Do the headlamps operate with the substituted relay? | -- | Go to Step 6 | Go to Step 7
6 | Reinstall the illumination lamp relay in its original position, and install a new headlamp relay. Is the repair complete? | -- | System OK | --

7

1. Install the headlamp high relay.
2. Check the voltage at headlamp switch connector terminal 4.

Does the voltage equal the value specified?

11-14 V

Go to Step 9

Go to Step 8

8 | Repair the open circuit between headlamp high relay terminal 86 and headlamp switch connector terminal 4. Is the repair complete? | -- | System OK | --

9

1. Disconnect the headlamp connector.
2. Turn the headlamp switch to the high-beam position.
3. Use an ohmmeter to check the continuity between terminals 6 and 4 of the headlamp switch.

Does the ohmmeter indicate the value specified?

0 ohms

Go to Step 10

Go to Step 2

10

1. Connect the headlamp switch connector.
2. Turn the headlamp switch to the high-beam position.
3. Check the voltage at the light switch connector terminal 2.

Does the voltage equal the value specified?

11-14 V

Go to Step 12

Go to Step 11

11 | Repair the open circuit between the headlamp switch connector terminal 6 and light switch connector terminal 2. Is the repair complete? | -- | System OK | --

12

1. Disconnect the light switch connector.
2. Turn the headlamp switch to the high-beam position.
3. Use an ohmmeter to check the continuity between terminals 2 and 3 of the light switch.

Does the ohmmeter indicate the value specified?

0 ohms

Go to Step 13

Go to Step 2

13 | Repair the open circuit between fuse Ef24 and the high beam headlamps. Is the repair complete? | -- | System OK | --

14

1. Turn the high beam headlamps on.
2. Check the voltage at headlamp terminal 1 with the high beams selected.

Does the voltage available at the headlamp connector terminal 1 equal the value specified?

11-14 V

Go to Step 16

Go to Step 15

15 | Repair the open circuit between fuse Ef24 and the high beam headlamps. Is the repair complete? | -- | System OK | --

16

1. Disconnect the headlamp connectors.
2. Connect an ohmmeter between the ground and the headlamp connector terminal 3.

Is the resistance equal to the value specified?

0 ohms

Go to Step 18

Go to Step 17

17 | Repair the open circuit between the ground and the headlamp connector terminal 3. Is the repair complete? | -- | System OK | --
18 | Replace the faulty headlamps. Is the repair complete? | -- | System OK | --