For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---
1 | Inspect fuses Ef20, left side headlamps, and Ef27, right side head lamps. Is fuse Ef20 or Ef27 open? | -- | Go to Step 2 | Go to Step 3
2 |

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

Did you complete the repair?

--

System OK

--

3 | Measure the voltage at fuses Ef20 and Ef27. Does the voltage available at fuses Ef20 and Ef27 measure within the specified range? | 11-14 V | Go to Step 4 | Go to Step 9
4 |

1. Disconnect both headlamp connectors.
2. Turn the headlamps ON.
3. Select the low beams.

Does the voltage at each headlamp connector terminal 5 measure within the specified range?

11-14 V

Go to Step 6

Go to Step 5

5 | Repair the open circuit between fuses Ef20 or Ef27 and the low beam headlamps. Did you complete the repair? | -- | System OK | --
6 |

1. Disconnect the headlamp connectors.
2. Connect an ohmmeter between ground and either headlamp connector terminal 6.

Is the resistance equal to the specified value?

0 ohms

Go to Step 8

Go to Step 7

7 | Repair the ground circuit. Did you complete the repair? | -- | System OK | --
8 | Replace the faulty headlamps. Did you complete the replacement? | -- | System OK | --
9 |

1. Disconnect the headlamp switch connector.
2. Select the low beams.
3. Use an ohmmeter to verify the continuity between terminals 6 and 5 of the headlamp switch.

Does the ohmmeter indicate the specified value?

0 ohms

Go to Step 10

Go to Step 11

10 | Replace the headlamp combination switch. Did you complete the replacement? | -- | System OK | --
11 | Repair the open circuit between fuses Ef20 and Ef27 and the headlamp switch connector terminal 5. Did you complete the repair? | -- | System OK | --