Step | Action | Yes | No | ||||||
---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Master Electrical Component List | |||||||||
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 12 | 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 | Test for the following in the park lamp supply voltage circuit:
Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 16 | 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 16 | Go to Step 11 | ||||||
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 16 | Go to Step 13 | ||||||
10 | Inspect for poor connections at the underhood fuse block. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 16 | Go to Step 14 | ||||||
11 | 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 16 | Go to Step 15 | ||||||
12 | Repair for the following 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 16 | -- | ||||||
13 | Replace the turn signal/multifunction switch. Refer to Turn Signal Multifunction Switch Replacement . Did you complete the replacement? | Go to Step 16 | -- | ||||||
14 | Replace the underhood fuse block. Refer to Underhood Electrical Center or Junction Block Bracket Replacement . Did you complete the replacement? | Go to Step 16 | -- | ||||||
15 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 16 | -- | ||||||
16 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |