Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Interior Lights Schematics Connector End View Reference: Master Electrical Component List . DEFINITION: Park Lamps Inoperative. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 |
Do all of the park lamps illuminate? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Is only one lamp inoperative? | Go to Step 13 | Go to Step 4 |
4 | Using a scan tool, command the park lamps ON. Do the park lamps illuminate? | Go to Step 5 | Go to Step 6 |
5 |
Do the park lamps illuminate? | Go to Step 9 | Go to Step 8 |
6 |
Does the test lamp illuminate? | Go to Step 7 | Go to Step 10 |
7 | Connect a 10-amp fused jumper wire between the switch side battery positive voltage circuit of the park lamps relay and the park lamp supply voltage circuit of the park lamps relay. Do the park lamps illuminate? | Go to Step 11 | Go to Step 10 |
8 | Test for an open or high resistance in the park lamp switch signal circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 18 | Go to Step 12 |
9 | Inspect for poor connections at the turn signal/multifunction switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 18 | Go to Step 14 |
10 | Inspect for poor connections at the fuse block - rear. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 18 | Go to Step 15 |
11 | Inspect for poor connections at the park lamps relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 18 | Go to Step 16 |
12 | Inspect for poor connections at the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 18 | Go to Step 17 |
13 | Repair an open, a high resistance, or a short to ground in the voltage supply circuit or the ground circuit of the inoperative lamp. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 18 | -- |
14 | Replace the turn signal/multifunction switch. Refer to Turn Signal Multifunction Switch Replacement . Did you complete the replacement? | Go to Step 18 | -- |
15 | Replace the fuse block - rear. Refer to Underhood Electrical Center or Junction Block Replacement . Did you complete the replacement? | Go to Step 18 | -- |
16 | Replace the park lamps relay. Refer to Relay Replacement . Did you complete the replacement? | Go to Step 18 | -- |
17 | Replace the BCM. Refer to Control Module References for BCM replacement, setup, and programming. Did you complete the replacement? | Go to Step 18 | -- |
18 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
