Power Door Locks Switch Unlock Function Inoperative - One Luxury
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Has the Power Door Lock System Check been performed? | -- | Go to Step 2 | |
2 | Connect a test lamp from CKT 640 (ORN) at the suspect door lock switch, to ground. Does the test lamp light? | -- | Go to Step 4 | Go to Step 3 |
3 | Repair the open in CKT 640 (ORN) between the CIG LTR fuse #13 and the suspect switch. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
4 |
Does the test lamp light? | -- | Go to Step 6 | Go to Step 5 |
5 | Replace the suspect switch. Refer to Door Lock Switch Replacement . Is the repair complete? | -- | -- | |
6 | Connect a test lamp between cavity C of the Door Lock Relay connector and ground. Does the test lamp light? | -- | Go to Step 8 | Go to Step 7 |
7 | Locate and repair the open in CKT 540 (ORN) between the PWR ACCY Circuit Breaker and the Door Lock Relay. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
8 | Back Probe a test lamp between Cavity E of the Door Lock Relay and B+ Does the test lamp light? | -- | Go to Step 12 | Go to Step 9 |
9 | Connect a test lamp between Cavity D of the Door Lock Relay connector and B+. Does the test lamp light? | -- | Go to Step 10 | Go to Step 11 |
10 | Replace the Door Lock Relay. Is the repair complete? | -- | -- | |
11 | Locate and repair the open in CKT 150 (BLK) between the Door Lock Relay and ground G202. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
12 |
Does the test lamp light? | -- | Go to Step 13 | Go to Step 19 |
13 |
Does the test lamp light? | -- | Go to Step 14 | Go to Step 10 |
14 |
Does the test lamp light? | -- | Go to Step 16 | Go to Step 15 |
15 | Locate and repair open in CKT 294 (TAN) between the Door Lock Relay and the suspected motor. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
16 | Connect a test lamp between Cavity A of the suspect motor connector and B+. Does the test lamp light? | -- | Go to Step 17 | Go to Step 18 |
17 | Replace the suspect door lock motor. Refer to Power Door Lock Actuator Replacement . Is repair complete? | -- | -- | |
18 | Locate and repair open in CKT 295 (GRY) between the Door Lock Relay and suspect motor. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
19 |
Does the test lamp light? | -- | Go to Step 20 | Go to Step 21 |
20 | Locate and repair open in CKT 781 (ORN/BLK). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
21 |
Is continuity present? | -- | Go to Step 27 | Go to Step 22 |
22 |
Is battery voltage present? | -- | Go to Step 23 | Go to Step 25 |
23 | Connect a DMM (continuity) between door lock inversion module Cavity B and ground, then Cavity D and ground. Is continuity present in both circuits? | -- | Go to Step 24 | Go to Step 26 |
24 | Replace the Door Lock Inversion Module. Is the repair complete? | -- | -- | |
25 | Locate and repair the open in CKT 194 (WHT) between the Door Lock Inversion Module and splice S257. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
26 | Locate and repair the open between the Door Lock Inversion Module and ground G202 in the circuit that did not have continuity. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
27 |
Is continuity present? | -- | Go to Step 28 | Go to Step 30 |
28 | Connect a DMM (continuity) between cavity E of the BCM and cavity G9 of connector C305. Is there continuity? | -- | Go to Step 31 | Go to Step 29 |
29 | Locate and repair the open in CKT 781 (ORN/BLK) between the Door Lock Relay and the BCM. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
30 | Locate and repair open in CKT 245 (DK BLU) between connector C305 and the BCM. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
31 | Perform a Body Control Module System Check. Refer to BCM Diagnostic System Check. Did System show problems with BCM? | -- | Go to Step 32 | System OK |
32 | Replace the Body Control Module. Refer to Body Control Module Replacement in Body Control System. Is the repair complete? | -- | -- |
