For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the HUD System Check? | -- | Go to Step 2 | Go to Head Up Display (HUD) System Check
2 |

1. Disconnect the HUD control switch connector.
2. Connect a fused jumper between the HUD control switch connector terminals 6 and 9.
3. Connect a second fused jumper between the HUD control switch connector terminals 5 and 10.
4. Turn the ignition to the RUN position.
5. Reconnect the jumpers in order to connect terminal 5 to terminal 6 and terminal 9 to terminal 10.

Does the adjuster motor move down for the first jumper arrangement and up for the second jumper arrangement?

--

Go to Step 3

Go to Step 4

3 | Inspect the HUD control switch connector for proper terminal contact. Is the terminal contact OK? | -- | Go to Step 5 | Go to Step 6
4 | Inspect CKT 621 (YEL) for an open or short to ground. Is the wiring OK? | -- | Go to Step 7 | Go to Step 9
5 | Replace the HUD control switch. Is the replacement complete? | -- | Go to Head Up Display (HUD) System Check | --
6 | Repair the poor terminal contact at the HUD control switch. Is the repair complete? | -- | Go to Head Up Display (HUD) System Check | --
7 | Inspect CKT 620 (BRN) for an open or short to ground. Is the wiring OK? | -- | Go to Step 8 | Go to Step 10
8 | Replace the HUD control module. Is the repair complete? | -- | Go to Head Up Display (HUD) System Check | --
9 | Repair the open or short to ground in CKT 621 (YEL). Is the repair complete? | -- | Go to Head Up Display (HUD) System Check | --
10 | Repair the open or short to ground in CKT 620 (BRN). Is the repair complete? | -- | Go to Head Up Display (HUD) System Check | --