For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---
1 |

1. Turn the high beam headlamps ON.
2. Inspect the voltage at headlamp switch terminal 6 with high beams selected.

Does the voltage available at the headlamp switch terminal 6 measure within the specified range?

11-14 V

Go to Step 4

Go to Step 2

2 | Repair the open circuit between fuse EF16 and the headlamp switch. Is the repair complete? | -- | System OK | Go to Step 3
3 |

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

Is the repair complete?

--

System OK

--

4 |

1. Disconnect the headlamp switch.
2. Put the switch in the high beam position.
3. Use an ohmmeter to measure the continuity of the headlamp switch between terminals 6 and 4.

Does the ohmmeter indicate the specified value?

0 ohms

Go to Step 6

Go to Step 5

5 | Replace the headlamp switch. Is the repair complete? | -- | System OK | --
6 |

1. Disconnect the high beam headlamp connectors.
2. Turn the high beam headlamps on.
3. Use a voltmeter to measure the voltage at terminal 4 of the headlamp connectors.

Is the voltage within the specified range?

11-14 V

Go to Step 8

Go to Step 7

7 | Repair the open circuit between the fuse block and the high-beam headlamps. Is the repair complete? | -- | System OK | --
8 | Use an ohmmeter to measure continuity between terminal 6 of the headlamp connectors and ground. Does the ohmmeter indicate the specified value? | 0 ohms | Go to Step 10 | Go to Step 9
9 | Repair the open ground circuit. Is the repair complete? | -- | System OK | --
10 | Replace the faulty high-beam headlamps. Is the repair complete? | -- | System OK | --