Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Reading Lamp(s) Inoperative
2005 Saturn Relay AWDSECTION Reading Lamp(s) Inoperative
Reading Lamp(s) Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Interior Lights Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 | Place the reading lamps in the ON position. Do all the reading lamps illuminate? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Are all reading lamps and vanity mirror lamps inoperative? | Go to Step 4 | Go to Step 7 |
| 4 | Is the INT/LAMP fuse in the instrument panel (I/P) fuse block open? | Go to Step 5 | Go to Step 6 |
| 5 | Test the following circuits for a short to ground:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the concern? |
Go to Step 14 | Go to Step 10 |
| 6 | Test the inadvertent power courtesy lamp and battery positive voltage (from the INT/LAMP fuse) circuits for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the concern? |
Go to Step 14 | Go to Step 10 |
| 7 | Test the inadvertent power courtesy lamp and ground circuits of the inoperative lamp for a high resistance or an open. Did you find and correct the condition? |
Go to Step 14 | Go to Step 8 |
| 8 | Test the bulb filament for an open. Is the bulb OK? |
Go to Step 9 | Go to Step 11 |
| 9 | Inspect for poor connections at the harness connector of the reading lamp. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 14 | Go to Step 12 |
| 10 | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 14 | Go to Step 13 |
| 11 | Replace the bulb. Refer to Reading Lamp and Bulb Replace - Overhead Console . Did you complete the replacement? |
Go to Step 14 | - |
| 12 | Replace the inoperative reading lamp assembly. Refer to the following:
Did you complete the replacement? |
Go to Step 14 | - |
| 13 | Replace the BCM. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 14 | - |
| 14 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.