For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---
1 | Inspect fuses F6, Ef12, Ef20, Ef27, and Ef15. Is any fuse 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 find and correct the condition?

--

System OK

--

3 |

1. Turn the low-beam headlamps ON.
2. Measure the voltage at fuses Ef20, Ef27, and Ef15.

Does the voltage at the headlamps measure within the specified range?

11-14 V

Go to Step 4

Go to Step 9

4 |

1. Turn the low-beam headlamps ON.
2. Measure the voltage at the headlamp connector terminal 5 (terminal 1 if hatchback).
3. Turn the high-beam headlamps ON.
4. Measure the voltage at headlamp connector terminal 4 (terminal 2 if hatchback).

Does the battery voltage available at the headlamps measure within the specified value?

11-14 V

Go to Step 6

Go to Step 5

5 | Repair the open circuit between fuses Ef20, Ef27 and Ef15 and the headlamps. Did you complete the repair? | -- | System OK | --
6 | Use an ohmmeter to check between ground and each headlamp connector terminal 6 (terminal 3 if hatchback). 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 |

1. Replace the faulty headlamps.
2. Inspect the charging system to make sure the charging voltage is not excessively high. Repair if necessary.

Did you find and correct the condition?

--

System OK

--

9 | Temporarily substitute the illumination relay in place of the headlamp relay. Do the headlamps operate with the substituted relay? | -- | Go to Step 10 | Go to Step 11
10 | Install the illumination relay in its original position, and install a new headlamp relay. Did you find and correct the condition? | -- | System OK | --
11 |

1. With the headlamp relay removed, turn the headlamp switch to the low-beam position.
2. Use an ohmmeter to check the continuity between the connector for relay terminal 85 and ground.

Does the ohmmeter indicate the specified value?

0 ohms

Go to Step 17

Go to Step 12

12 |

1. Reinstall the headlamp relay.
2. Measure the voltage at the light switch connector terminal 2.

Does the voltage measure within the specified range?

11-14 V

Go to Step 14

Go to Step 13

13 | Repair the open circuit between headlamp relay terminal 85 and the light switch connector terminal 2. Did you complete the repair? | -- | System OK | --
14 |

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

Does the ohmmeter indicate the specified value?

0 ohms

Go to Step 16

Go to Step 15

15 | Replace the light switch. Did you complete the replacement? | -- | System OK | --
16 | Repair the open circuit between terminal 3 of light switch connector and ground. Did you complete the repair? | -- | System OK | --
17 | Measure the voltage at headlamp switch connector terminal 6. Does the voltage measure within the specified range? | 11-14 V | Go to Step 19 | Go to Step 18
18 | Repair the open circuit between headlamp switch connector and terminal 87 of the headlamp relay. Did you complete the repair? | -- | System OK | --
19 |

1. Disconnect headlamp switch connector.
2. Turn the headlamps to the low-beam position.
3. Connect an ohmmeter between terminals 5 and 6 of headlamp switch connector. Observe the reading on the ohmmeter.
4. Turn the headlamps to the high-beam position.
5. Connect an ohmmeter between terminals 4 (terminal 2 if hatchback) and 6 of the headlamp switch. Observe the reading on the ohmmeter.

Does the ohmmeter show the specified value for both of the tests?

0 ohms

Go to Step 20

Go to Step 15

20 | Repair the open circuit between the headlamp switch and fuses Ef20, Ef27 and Ef15. Did you complete the repair? | -- | System OK | --