Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
DEFINITION: The liftgate/endgate window release switch will not activate the liftgate/endgate window release actuator. The lock cylinder switch operates properly.  | ||||
1  | Did you review the release system operation and perform the necessary inspections?  | --  | Go to Step 2  | Go to Symptoms  | 
2  | Verify that the liftgate/endgate window release switch is inoperative. Does the liftgate/endgate window release switch operate normally?  | --  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | Go to Step 3  | 
3  | 
 Did the liftglass release operate?  | --  | Go to Step 7  | Go to Step 4  | 
4  | 
 Did the liftglass release operate?  | --  | Go to Step 5  | Go to Step 9  | 
5  | Using a DMM test for continuity between liftglass relay terminal 1 and terminal 2. Refer to Circuit Testing in wiring systems. Is continuity present?  | --  | Go to Step 6  | Go to Step 13  | 
6  | 
 Did the liftglass release operate?  | --  | Go to Step 15  | Go to Step 10  | 
7  | Connect a 3A fused jumper wire between terminal D and terminal E of the endgate/liftgate window release switch. Did the liftglass release operate?  | --  | Go to Step 14  | Go to Step 8  | 
8  | Connect a DMM between ground and terminal E of the window release switch. Refer to Circuit Testing in wiring systems. Is continuity present?  | --  | Go to Step 12  | Go to Step 11  | 
9  | Locate and repair an open in CKT 56 (BLK/WHT). Refer to Wiring Repairs in wiring systems. Is the repair complete?  | --  | Go to Step 16  | --  | 
10  | Locate and repair an open in CKT 1344 (LT BLU). Refer to Wiring Repairs in wiring systems. Is the repair complete?  | --  | Go to Step 16  | --  | 
11  | Locate and repair an open in CKT 1050 (BLK). Refer to Wiring Repairs in wiring systems. Is the repair complete?  | --  | Go to Step 16  | --  | 
12  | Locate and repair an open in CKT 1576 (BLK). Refer to Wiring Repairs in wiring systems. Is the repair complete?  | --  | Go to Step 16  | --  | 
13  | Replace the liftglass relay. Is the repair complete?  | --  | Go to Step 16  | --  | 
14  | Replace the endgate/liftgate window release switch. Is the repair complete?  | --  | Go to Step 16  | --  | 
15  | Replace the BCM. Refer to Body Control Module Replacement in body control systems. Is the repair complete?  | --  | 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  |