For 1990-2009 cars

## Headlamps Inoperative - High Beams Domestic

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Lighting System Diagnostic System Check? | -- | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems
2 |

1. Turn the headlamp switch to the HEAD position.
2. Turn the headlamp dimmer switch to the HI position.
3. Use a test lamp in order to backprobe between C201 and terminal E11 and ground.

Did the test lamp light?

--

Go to Step 3

Go to Step 4

3 | Use a test lamp to backprobe between the underhood accessory junction block connector C2 terminal F4 and ground. Did the test lamp light? | -- | Go to Step 6 | Go to Step 5
4 | Inspect for a faulty connection or an open in CKT 11 between the headlamp dimmer switch and C201 terminal E13. Is there a faulty connection or an open in CKT 11? | -- | Go to Step 9 | Go to Step 10
5 | Repair the faulty connection or open in CKT 11 between C201 terminal E11 and the underhood accessory junction block harness connector C2 terminal F4. Is the repair complete? | -- | Go to Step 12 | --
6 | Use a test lamp to backprobe between the underhood accessory junction block connector C3 terminal B4 and ground and between terminal A4 and ground. Does the test lamp light at both terminals? | -- | Go to Step 7 | Go to Step 8
7 |

1. Disconnect both of the headlamp connectors.
2. Use a test lamp in order to frontprobe terminal C of each connector to ground.

Does the test lamp light at both connectors?

--

Go to Step 12

Go to Step 11

8 | Replace the underhood accessory junction block. Refer to Relay/Fuse Center Replacement In Wiring Systems. Has the repair been made? | -- | Go to Step 12 | --
9 | Repair a faulty connection or an open in CKT 11. Has the repair been made? | -- | Go to Step 12 | --
10 | Replace the headlamp dimmer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel Column - Tilt. Has the repair been made? | -- | Go to Step 12 | --
11 |

1. Repair an open in the circuit that would not light the test lamp.
2. If the test lamp would light on one of the circuits, replace the headlamp on that circuit.

Has the repair been made?

--

Go to Step 12

--

12 | Operate the system order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2

## Headlamps Inoperative - High Beams Export

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Lighting System Diagnostic System Check? | -- | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems
2 |

1. Turn the headlamp switch to the HEAD position.
2. Turn the headlamp dimmer switch to the HI position.

Is the high beam indicator ON?

--

Go to Step 4

Go to Step 3

3 | Inspect CKT 11 for the following conditions between the headlamp dimmer switch and S219:

• | An open

• | A poor connection

Is there a poor connection or an open in CKT 11?

--

Go to Step 6

Go to Step 5

4 | Repair the following conditions in CKT 11 between S219 and the fuse block terminal B1:

• | An open

• | A poor connection

Has the repair been made and the system rechecked?

--

Go to Step 7

--

5 | Replace the headlamp dimmer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column -Tilt. Has the repair been made and the system rechecked? | -- | Go to Step 7 | --
6 | Repair the following conditions in CKT 11 between the headlamp dimmer switch and S219:

• | An open

• | A poor connection

Has the repair been made and the system rechecked?

--

Go to Step 7

--

7 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2