LIGHTING SYSTEM — Troubleshooting — Interior lamps

T-86prose procedure

Troubleshooting

1
Verify the trouble symptom by operating the control switch and opening the doors. Go to the specified Step.
05U0TX-177

Symptom	Go to
Interior lamp(s) do not illuminate when control switches are in any position	Step 2
Interior lamp(s) illuminate when control switches are in ON position, but do not illuminate with door open when switches are in DOOR position	Step 5
Interior lamp(s) illuminate when control switches are in DOOR position, but do not illuminate when switches are in ON position	Step 7

Interior lamp(s) do not illuminate when control switches are in any position

Go toStep 2

Interior lamp(s) illuminate when control switches are in ON position, but do not illuminate with door open when switches are in DOOR position

Go toStep 5

Interior lamp(s) illuminate when control switches are in DOOR position, but do not illuminate when switches are in ON position

Go toStep 7

1
Check the ROOM 10A fuse.
05U0TX-179
2
If the fuse is burned, replace it. Check and repair the wire harness if necessary.
3
If the fuse is OK, go to Step 3.