Reading Lamp Inoperative. Cadillac DeVille 2005

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2005 🢒 DeVille 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Reading Lamp Inoperative

Step	Action	Yes	No
Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2	Close all of the doors. Turn ON the ignition, with the engine OFF. Turn OFF the courtesy lamps. Place the appropriate courtesy/reading lamp switch in the ON position. Does the reading lamp operate properly?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Does the courtesy lamp function of the inoperative reading lamp operate properly?	Go to Step 4	Go to Courtesy Lamps Inoperative
4	Does the reading lamp function of the overhead console courtesy lamp operate properly?	Go to Step 6	Go to Step 5
5	Test for an open or high resistance in the ground circuit of the overhead console courtesy lamp assembly. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 11	Go to Step 7
6	Test for an open or high resistance in the ground circuit of the inoperative courtesy lamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 11	Go to Step 8
7	Inspect for poor connections at the overhead console courtesy lamp assembly. 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 11	Go to Step 9
8	Inspect for poor connections at the inoperative courtesy lamp switch. 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 11	Go to Step 10
9	Replace the overhead console courtesy lamp assembly. Refer to Roof Console Replacement in Interior Trim. Did you complete the repair?	Go to Step 11	--
10	Replace the inoperative courtesy lamp switch. Refer to Roof Rail Rear Courtesy Lamp Switch Replacement . Did you complete the repair?	Go to Step 11	--
11	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2