Courtesy Lamps Inoperative All
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the entire Interior Lights System Check performed? | -- | ||
2 |
Does the scan tool indicate that the Interior Lamp Switch was in the Auto position? | -- | ||
3 |
Is the voltage within the specified range? | 10-15 V | ||
4 | Backprobe the rear junction block connector C2 with a DMM from cavity E12 (DK BLU/WHT) to ground. Is the voltage within the specified range? | 10-15 V | ||
5 | Repair the open in CKT 149 (DK BLU/WHT). Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
6 |
Is the resistance less than the specified value? | 5 ohms | ||
7 | Replace the rear integration module (RIM). Refer to Body Control Module Replacement in Body Control System. Is the RIM replacement complete? | -- | -- | |
8 | Check the rear junction block INT LP Fuse for an open. Is the INT LP Fuse OK? | -- | ||
9 | Replace the INT LP Relay in the rear junction block. Refer to Relay Replacement in Wiring Systems. Do the courtesy lamps now operate properly? | -- | ||
10 |
Is the resistance less than the specified value? | 5 ohms | ||
11 |
Is the rear junction block replacement complete? | -- | -- | |
12 | Repair the open in CKT 1599 (GRY) between the rear junction block and the RIM. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
13 | Repair the short to ground in CKT 149 (DK BLU/WHT). Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
14 | Replace the INT LP Fuse in the rear junction block. Refer to Wiring Repairs in Wiring Systems. Is the fuse replacement complete? | -- | -- | |
15 | Disconnect the overhead console connector C1. Does the scan tool indicate that the Interior Lamp Switch was in the Off position? | -- | ||
16 | Disconnect the instrument panel integration module (IPM) connector C1. Does the scan tool indicate that the Interior Lamp Switch was in the Off position? | -- | ||
17 | Replace the instrument panel integration module (IPM). Refer to Body Control Module Replacement in Body Control System. Is the IPM replacement complete? | -- | -- | |
18 | Replace the overhead console. Refer to Roof Console Replacement in Interior Trim. Is the overhead console replacement complete? | -- | -- | |
19 | Repair the short to ground in CKT 1598 (GRY/BLK). Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- |
Courtesy Lamps Inoperative Front
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The FRT CTSY Relay in the rear junction block controls the overhead console courtesy, foot well courtesy, and all door courtesy lamps. During illuminated entry when a front door is opened, only the FRT CTSY Relay is activated. When a rear door is opened, both the FRT CTSY Relay and RR CTSY Relay are activated. | ||||
1 | Was the entire Interior Lights System Check performed? | -- | ||
2 | Are all lamps controlled by the FRT CTSY Relay inoperative? | -- | ||
3 | Are only the RH front door, RH rear door, and RH foot well courtesy lamps inoperative? | -- | ||
4 |
Do the rear reading lamps light? | -- | ||
5 |
Do the courtesy lamps controlled by the FRT CTSY Relay light? | -- | ||
6 | Backprobe with a DMM from battery positive voltage (B+) to the rear junction block connector C2 cavity A12 (DK BLU). Is the voltage within the specified range? | 10.5-15 V | ||
7 | Replace the FRT CTSY Relay in the rear junction block. Do the courtesy lamps controlled by the FRT CTSY Relay light? | -- | ||
8 |
Is the rear junction block replacement complete? | -- | -- | |
9 | Repair the open in CKT 157 (GRY) between the rear junction block and C308. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
10 | Repair the open in CKT 157 (GRY) between the rear junction block and C301. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
11 |
Is the resistance less than the specified value? | 5 ohms | ||
12 | Replace the rear integration module (RIM). Refer to Body Control Module Replacement in Body Control System. Is the RIM replacement complete? | -- | -- | |
13 | Repair the open in CKT 1393 (DK BLU) between the rear junction block and the RIM. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
Courtesy Lamps Inoperative Rear
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The RR CTSY Relay in the rear junction block controls the reading lamps in the rear headliner. During illuminated entry when a front door is opened, only the FRT CTSY Relay is activated. When a rear door is opened, both the FRT CTSY Relay and RR CTSY Relay are activated. | ||||
1 | Was the entire Interior Lights System Check performed? | -- | ||
2 |
Do the courtesy lamps controlled by the FRT CTSY Relay light? | -- | ||
3 |
Do the courtesy lamps controlled by the RR CTSY Relay light? | -- | ||
4 | Backprobe with a DMM from battery positive voltage (B+) to the rear junction block connector C3 cavity F11 (DK BLU/WHT). Is the voltage within the specified range? | 10-15 V | ||
5 | Backprobe with a DMM from battery positive voltage (B+) to the rear junction block connector C3 cavity F10 (GRY/BLK). Is the voltage within the specified range? | 10-15 V | ||
6 | Replace the RR CTSY Relay in the rear junction block. Do the courtesy lamps controlled by the RR CTSY Relay light? | -- | ||
7 |
Is the rear junction block replacement complete? | -- | -- | |
8 |
Is the resistance less than the specified value? | 5 ohms | ||
9 | Replace the rear integration module (RIM). Refer to Body Control Module Replacement in Body Control System. Is the RIM replacement complete? | -- | -- | |
10 | Repair the open in CKT 690 (GRY/BLK) between the rear junction block and the RIM. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
11 | Repair the open in CKT 1495 (DK BLU/WHT) between the rear junction block and C305. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
