Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Interior Lights Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems. | |||
1 | Did you perform the Lighting Systems Diagnostic System Check? | Go to Step 2 | |
2 |
Do the courtesy lamps remain illuminated? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 | With a scan tool, observe all of the Dome/Buzzer Switch parameters in the drivers door module (DDM) Inputs data list. Does the scan tool indicate that any of the Dome/Buzzer Switch parameters are ON? | Go to Step 12 | Go to Step 4 |
4 | Are only the interior lamps controlled by the FRT CTSY relay ON? | Go to Step 6 | Go to Step 5 |
5 | Are only the interior lamps controlled by the RR CTSY relay ON? | Go to Step 8 | Go to Step 10 |
6 |
Do the courtesy lamps remain illuminated? | Go to Step 23 | Go to Step 7 |
7 | Connect a test lamp between the battery positive voltage circuit of the FRT CTSY relay coil and the control circuit of the FRT CTSY relay. Does the test lamp illuminate? | Go to Step 13 | Go to Step 17 |
8 |
Do the courtesy lamps remain illuminated? | Go to Step 23 | Go to Step 8 |
9 | Connect a test lamp between the battery positive voltage circuit of the RR CTSY relay coil and the control circuit of the RR CTSY relay. Does the test lamp illuminate? | Go to Step 14 | Go to Step 17 |
10 | With a scan tool, observe the Interior Lamp Switch parameter in the instrument panel module (IPM) Non - HVAC data list. Does the scan tool display ON? | Go to Step 11 | Go to Step 22 |
11 |
Does the scan tool display ON? | Go to Step 16 | Go to Step 20 |
12 |
Does the scan tool display ON? | Go to Step 15 | Go to Step 18 |
13 | Test for a short to ground in the front courtesy lamp relay control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 30 | Go to Step 21 |
14 | Test for a short to ground in the rear courtesy lamp relay control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 30 | Go to Step 21 |
15 | Test the door open switch signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 30 | Go to Step 19 |
16 | Test the interior lamp switch on signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 30 | Go to Step 22 |
17 | Inspect for poor connections at the appropriate CTSY relay. 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 30 | Go to Step 24 |
18 | Inspect for poor connections at the harness connector of the appropriate door jamb 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 30 | Go to Step 25 |
19 | Inspect for poor connections at the harness connector of the appropriate door module. 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 30 | Go to Step 26 |
20 | Inspect for poor connections at the harness connector of the overhead console. 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 30 | Go to Step 27 |
21 | Inspect for poor connections at the harness connector of the RIM. 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 30 | Go to Step 28 |
22 | Inspect for poor connections at the harness connector of the IPM. 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 30 | Go to Step 29 |
23 | Repair a short to ground in the appropriate interior lamp control circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 30 | -- |
24 | Replace the appropriate CTSY relay. Refer to Relay Replacement in Wiring Systems. Did you complete the replacement? | Go to Step 30 | -- |
25 | Replace the appropriate door jamb switch. Refer to Front Side Door Latch Replacement and Rear Side Door Latch Replacement in Doors. Did you complete the replacement? | Go to Step 30 | -- |
26 | Replace the appropriate door module. Refer to Door Control Module Replacement in Doors. Did you complete the replacement? | Go to Step 30 | -- |
27 | Replace the overhead console. Refer to Roof Console Replacement in Interior Trim. Did you complete the replacement? | Go to Step 30 | -- |
28 |
Important:: Perform the setup procedure for the rear integration module (RIM). Replace the RIM. Refer to Rear Integration Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 30 | -- |
29 |
Important:: Perform the setup procedure for the instrument panel integration module (IPM). Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System. Replace the IPM. Refer to Instrument Panel Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 30 | -- |
30 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
