Step
| Action
| Value(s)
| Yes
| No
|
1
|
- Disconnect the instrument cluster head-up display (HUD) dimmer
switch.
- Turn the ignition switch to the RUN position.
- Use a DMM in order to measure the voltage between the instrument
cluster HUD dimmer switch harness connector terminals A and G.
Is the measured voltage within the specified value?
| 9-14 Volts
| Go to
Step 3
| Go to
Step 2
|
2
|
- Repair the open or the poor connection in CKT 1550 between
the instrument cluster HUD dimmer switch harness connector terminal G and
G200.
- Inspect the system.
Is the symptom still present?
| --
| --
| System OK
|
3
|
- Turn the park lamps ON.
- Use a DMM in order to measure the voltage between the instrument
cluster HUD dimmer switch harness connector terminals G and B.
Is the voltage within the specified range?
| 9-14 Volts
| Go to
Step 4
| Refer to Lighting System
|
4
|
- Replace the illumination bulbs or the instrument cluster head-up
display dimmer switch, as needed. Refer to
Head Up Display Switch Replacement
.
- Inspect the system.
Is the symptom still present?
| --
| --
| System OK
|
