Cornering Lamps Inoperative. Buick Century 2001

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2001 🢒 Century 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Cornering Lamps Inoperative

Step	Action	Yes	No
Schematic Reference: Exterior Lights Schematics
1	Did you perform the Lighting System Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Lighting Systems
2	Turn the ignition switch to the RUN position. Place the turn signal switch in the LH and RH ON position. Are the cornering lamps operating properly?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Determine if one or both of the cornering lamps are inoperative. Are the both cornering lamps inoperative?	Go to Step 4	Go to Step 6
4	Do the rear turn signals operate properly?	Go to Step 5	Go to Turn Signal Lamps and/or Indicators Inoperative
5	Turn the ignition switch to the RUN position. Place the turn signal switch in the LH ON position. Probe the cornering lamp supply voltage circuit of the LH cornering lamp with a test lamp that is connected to a good ground. Does the test lamp illuminate?	Go to Step 12	Go to Step 10
6	Turn the ignition switch to the RUN position. Place the turn signal switch in the appropriate position to select the inoperative cornering lamp. Probe the cornering lamp supply voltage circuit of the inoperative cornering lamp with a test lamp that is connected to a good ground. Does the test lamp illuminate?	Go to Step 8	Go to Step 7
7	Test for an open or a high resistance in the cornering lamp supply voltage circuit of the inoperative cornering lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 15	Go to Step 10
8	Connect a test lamp between the cornering lamp supply voltage circuit and the ground circuit of the inoperative cornering lamp. Does the test lamp illuminate?	Go to Step 9	Go to Step 11
9	Inspect for poor connections at the harness connector of the inoperative cornering 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 15	Go to Step 13
10	Inspect for poor connections at the harness connector of the turn signal 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 15	Go to Step 14
11	Repair an open or a high resistance in the ground circuit of the inoperative cornering lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 15	--
12	Repair an open or a high resistance in the ground circuit of the cornering lamps. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 15	--
13	Replace the inoperative cornering lamp. Refer to Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement . Did you complete the repair?	Go to Step 15	--
14	Replace the turn signal switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column -Tilt. Did you complete the repair?	Go to Step 15	--
15	Connect all connectors and components that were previously disconnected. Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2