Step | Action | Yes | No | ||||||
---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Interior Lights Schematics Connector End View Reference: Master Electrical Component List DEFINITION: All instrument panel (I/P) courtesy dome and roof rail courtesy lamps are inoperative from any door or the I/P dimmer switch. | |||||||||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |||||||
2 |
Do the courtesy lamps illuminate when each door is opened? | Go to Step 4 | Go to Step 3 | ||||||
3 | Are the courtesy lamps inoperative from the lamp switch assembly also? | Go to Step 4 | Go to Step 7 | ||||||
4 |
Do the courtesy lamps illuminate? | Go to Step 15 | Go to Step 5 | ||||||
5 | Test for a poor connection, open or a short to ground in the INT LIGHT fuse voltage supply circuit of the body control module (BCM). Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 6 | ||||||
6 | Test for short to ground or an open in the courtesy lamp supply voltage circuit of the BCM. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 9 | ||||||
7 | Are the courtesy lamps inoperative from all the doors? | Go to Step 13 | Go to Step 8 | ||||||
8 |
Do the courtesy lamps illuminate? | Go to Step 11 | Go to Step 12 | ||||||
9 | Test for a poor connection, an open, or a short to battery positive voltage in the courtesy lamp switch on signal circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 10 | ||||||
10 | Test for a short to battery positive voltage or a open in the I/P dimming return circuit of the BCM. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 17 | ||||||
11 | Test the ground circuit of the inoperative door lock switch for an open or high resistance. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 16 | ||||||
12 | Test the inoperative door lock switch open circuit for the following:
Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 17 | ||||||
13 |
Do the courtesy lamps illuminate? | Go to Step 17 | Go to Step 14 | ||||||
14 | Test for a short to ground in the courtesy defeat circuit of the BCM. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | -- | ||||||
15 | Test for a poor connection or an open in the ground circuit of the lamp switch assembly. Did you find and correct the condition? | Go to Step 21 | Go to Step 19 | ||||||
16 | Inspect for a poor connections at the harness connector of the inoperative door lock switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 18 | ||||||
17 | Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 20 | ||||||
18 | Replace the inoperative door lock switch. Refer to Front Side Door Lock Replacement or Rear Door Lock Replacement . Did you complete the replacement? | Go to Step 21 | -- | ||||||
19 | Replace the lamp switch assembly. Refer to Headlamp Switch Replacement . Did you complete the repair? | Go to Step 21 | -- | ||||||
20 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 21 | -- | ||||||
21 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |