Warning: When using an external power source to provide power to a component or circuit, always use a fused jumper wire with the proper amp rating for the component or circuit being tested. Failure to use a fused jumper wire may result in accidental overload and may cause personal injury or damage to the component or circuit.
The numbers below refer to the step numbers on the diagnostic table.
Step | Action | Values | Yes | No |
---|---|---|---|---|
Schematic Reference: Interior Lights Schematics Interior Lights Dimming Schematics Connector End View Reference: Component Connector End Views | ||||
Does the bulb pass the visual and physical inspections? | -- | Go to Step 3 | Go to Step 2 | |
2 | Replace the bulb. Did you complete the replacement? | -- | System OK | -- |
3 |
Is fuse EF19 open? | -- | Go to Step 4 | Go to Step 5 |
4 |
Did you find and correct the condition? | -- | System OK | -- |
5 | Test fuse EF19. Does the voltage at fuse EF19 measure within the specified range? | 11-14 V | Go to Step 7 | Go to Step 6 |
6 | Repair the open power supply circuit for fuse EF19. Did you complete the repair? | -- | System OK | -- |
7 |
Does the voltage at connector terminal 1 measure within the specified range? | 11-14 V | Go to Step 8 | Go to Step 9 |
8 |
Is the resistance equal to the specified value? | 0 Ω | Go to Step 10 | Go to Step 11 |
9 | Repair the open circuit between fuse EF19 and the interior courtesy lamp terminal 1. Did you complete the repair? | -- | System OK | -- |
10 | Replace the interior courtesy lamp switch assembly. Did you complete the replacement? | -- | System OK | -- |
11 | Repair the ground circuit for the interior courtesy lamp. Did you complete the repair? | -- | System OK | -- |