Power Door Locks Inoperative - One Door or Switch. Cadillac XLR 2004

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2004 🢒 XLR 🢒 Accessories 🢒 Theft Deterrent 🢒 Power Door Locks Inoperative - One Door or Switch

Step	Action	Yes	No
Schematic Reference: Door Lock/Indicator Schematics and Door Control Module Schematics Connector End View Reference: Power Door Systems Connector End Views
1	Did you perform the Vehicle Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2	Verify that the power door locks are inoperative from one door or switch. Do the power door locks operate normally?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Is the passenger door lock switch the inoperative switch?	Go to Step 4	Go to Step 6
4	Are both the lock and unlock functions inoperative?	Go to Step 8	Go to Step 5
5	Is the lock function inoperative?	Go to Step 9	Go to Step 10
6	Install a scan tool. Turn ON the ignition, with the engine OFF. With a scan tool, observe the door lock switch parameter in the Driver Door Switch data list. Activate the driver door lock switch to Lock and Unlock. Does the scan tool display Idle?	Go to Step 11	Go to Step 7
7	Does the scan tool display Lock?	Go to Step 12	Go to Step 13
8	Test the passenger door lock switch ground circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 20	Go to Step 14
9	Test the passenger door lock switch lock signal circuit for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 20	Go to Step 15
10	Test the passenger door lock switch unlock signal circuit for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 20	Go to Step 15
11	Test the driver door lock switch ground circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 20	Go to Step 16
12	Test the driver door lock switch unlock signal circuit for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 20	Go to Step 15
13	Test the driver door lock switch lock signal circuit for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 20	Go to Step 15
14	Inspect for poor connections at the harness connector of the passenger door lock 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 20	Go to Step 17
15	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 20	Go to Step 18
16	Inspect for poor connections at the harness connector of the driver door lock 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 20	Go to Step 19
17	Replace the passenger door lock switch. Refer to Door Lock Switch Replacement - Passenger Front . Did you complete the replacement?	Go to Step 20	--
18	Perform the power window reinitialization procedure. Refer to Power Window Reinitialization Replace the appropriate door module. Refer to Door Control Module Replacement . Did you complete the replacement?	Go to Step 20	--
19	Replace the driver door lock switch. Refer to Door Lock Switch Replacement - Driver Door . Did you complete the replacement?	Go to Step 20	--
20	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2