Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the HUD System Check? | -- | Go to Step 2 | |
2 |
Is the voltage variable within the specified value? | Zero to Battery Voltage | Go to Step 4 | Go to Step 3 |
3 | Does the HUD control switch only display the specified value all of the time? | Battery Voltage | Go to Step 5 | Go to Step 6 |
4 |
Is the voltage variable within the specified value? | Zero to Battery Voltage | Go to Step 7 | Go to Step 8 |
5 | Inspect CKT 717 (WHT) for a short to voltage. Is the wiring OK? | -- | Go to Step 11 | Go to Step 9 |
6 | Inspect CKT 717 (WHT) for a short to ground. Is the wiring OK? | -- | Go to Step 11 | Go to Step 10 |
7 | Inspect for a poor terminal contact at the HUD control module connector terminal 3. Is the connection OK? | -- | Go to Step 13 | Go to Step 12 |
8 | Inspect for poor terminal contact at the HUD control switch terminal 7. Is the connection OK? | -- | Go to Step 11 | Go to Step 14 |
9 | Repair the short to voltage in CKT 717 (WHT). Is the repair complete? | -- | -- | |
10 | Repair the short to ground on CKT 717 (WHT). Is the repair complete? | -- | -- | |
11 | Replace the HUD control switch. Is the repair complete? | -- | -- | |
12 | Repair the poor terminal contact at the HUD control module connector terminal 3. Is the repair complete? | -- | -- | |
13 | Replace the HUD control module. Is the repair complete? | -- | -- | |
14 | Repair the poor terminal contact at the HUD control switch terminal 7. Is the repair complete? | -- | -- |
