Schematic Reference: Power Window Schematics

Did you perform the Door Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Door Systems

1. Turn ON the ignition, with the engine OFF.
2. Disable the window lockout function.
3. Operate the passenger front power window in the UP and DOWN directions from the passenger switch.

Does the passenger front power window operate properly?

Go to Step 3

Go to Step 4

Operate the passenger front power window in the UP and DOWN directions from the master switch.

Does the passenger front power window operate properly from the master switch?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 5

1. Install a scan tool.
2. Monitor the window lockout data parameter in the driver door module inputs list.
3. Activate the window lockout switch to both the On and OFF positions.

Does the window lockout data parameter change state appropriately?

Go to Step 5

Go to Step 16

Monitor the passenger front window status data parameter in both the driver and passenger door module input lists.

Do either passenger front window status data parameters display an active state without a window switch activation?

Go to Step 6

Go to Step 7

Is the active switch displayed in the driver door module input list?

Go to Step 16

Go to Step 15

1. Monitor the passenger front window status in the passenger door module inputs list.
2. Activate the passenger power switch on the passenger door module in the up and down positions.

Does the window status data parameter change accordingly?

Go to Step 8

Go to Step 15

1. Monitor the passenger front window status in the driver door module inputs list.
2. Activate the passenger front power window switch on the driver door module in the up and down positions.

Does the window status data parameter change accordingly?

Go to Step 9

Go to Step 16

1. Connect a test lamp to a good ground.
2. Backprobe the battery positive voltage circuit in connector C1 cavity D at the passenger door module.

Does the test lamp illuminate?

Go to Step 10

Go to Step 18

1. Disconnect the passenger front power window motor.
2. Connect a test lamp to a good ground.
3. Probe the power window motor up control circuit at the power window motor harness connector.
4. Activate the power window switch to the UP position.

Does the test illuminate?

Go to Step 11

Go to Step 13

1. With the test lamp still connected to a good ground, probe the power window motor down control circuit.
2. Activate the power window switch to the DOWN position.

Does the test lamp illuminate?

Go to Step 12

Go to Step 14

1. Connect a test lamp between the power window motor up and down control circuits.
2. Activate the power window switch to the UP and DOWN positions.

Does the test lamp illuminate in both positions?

Go to Step 17

Go to Step 15

Test for an open or short to ground in the power window motor up control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 22

Go to Step 15

Test for an open or short to ground in the power window motor down control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 22

Go to Step 15

Inspect for poor connections at the passenger 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 22

Go to Step 19

Inspect for poor connections at the driver 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 22

Go to Step 20

Inspect for poor connections at the passenger front power window motor. 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 22

Go to Step 21

Repair the open or short to ground in the battery positive voltage circuit. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 22

--

Important: Perform the set up procedure for the passenger door module. refer to Door Control Module Programming/RPO Configuration .

Replace the passenger door module. Refer to Door Lock and Side Window Switch Replacement - Passenger Side .

Did you complete the repair?

Go to Step 22

--

Important: Perform the set up procedure for the driver door module. refer to Door Control Module Programming/RPO Configuration .

Replace the driver door module. Refer to Door Lock and Side Window Switch Replacement - Driver Side .

Did you complete the repair?

Go to Step 22

--

Replace the passenger front power window motor. Refer to Rear Side Door Window Regulator Replacement .

Did you complete the repair?

Go to Step 22

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3

Schematic Reference: Power Window Schematics

Did you perform the Door Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Door Systems

1. Disable the window lockout function.
2. Operate the passenger rear power windows in the UP and DOWN directions from the passenger power window switches.

Do the passenger rear power windows operate properly?

Go to Step 3

Go to Step 4

Operate the passenger rear power windows in the UP and DOWN directions from the master switches.

Do the passenger rear power windows operate properly from the master switches?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 6

Are both rear power windows inoperative?

Go to Step 5

Go to Step 9

1. Install a scan tool.
2. Monitor the window lockout data parameter in the driver door module input list.
3. Place the window lockout switch in both the ON and OFF positions.

Does the window lockout data parameter change accordingly?

Go to Step 22

Go to Step 23

1. Install a scan tool.
2. Monitor the rear window status data parameters in the driver door module inputs list.

Do either of the rear window status data parameters display an active state without a rear window switch activation?

Go to Step 23

Go to Step 7

1. Install a scan tool.
2. Monitor the rear window status data parameters in the driver door module inputs list.
3. Activate the passenger rear power window switches on the master switch in the up and down positions.

Do the rear window status data parameters change accordingly?

Go to Step 8

Go to Step 23

1. With a scan tool, monitor the passenger rear window status data parameters in the body control module data list.
2. Activate the passenger rear power window switches on the master switch in the up and down positions.

Do the rear window status data parameters change accordingly?

Go to Step 15

Go to Step 22

1. Disable the window lockout function.
2. Disconnect the inoperative rear window switch.
3. Connect a test lamp to a good ground.
4. Probe the window lockout signal circuit at the rear window switch harness connector.

Does the test lamp illuminate?

Go to Step 10

Go to Step 17

With a test lamp connected to a good ground, probe the battery positive voltage circuit at the rear power window switch harness connector.

Does the test lamp illuminate?

Go to Step 11

Go to Step 26

1. Connect a test lamp to battery positive voltage.
2. Probe the ground circuit at the rear power window switch harness connector.

Does the test lamp illuminate?

Go to Step 12

Go to Step 27

1. Disconnect the appropriate rear power window motor.
2. Connect the rear power window switch.
3. Connect a test lamp to a good ground.
4. Probe the power window motor up control circuit at the power window motor harness connector.
5. Activate the power window switch to the UP position.

Does the test illuminate?

Go to Step 13

Go to Step 20

1. With the test lamp still connected to a good ground, probe the power window motor down control circuit.
2. Activate the power window switch to the DOWN position.

Does the test lamp illuminate?

Go to Step 14

Go to Step 21

1. Connect a test lamp between the power window motor up and down control circuits.
2. Activate the power window switch to the UP and DOWN positions.

Does the test lamp illuminate in both positions?

Go to Step 25

Go to Step 24

1. Disconnect the appropriate rear power window switch.
2. With a test lamp connected to battery positive voltage, probe the power window up signal circuit at the rear window switch harness connector.
3. Activate the appropriate rear window switch on the master switch to the UP position.

Does the test lamp illuminate?

Go to Step 16

Go to Step 18

1. With a test lamp connected to battery positive voltage, probe the power window down signal circuit at the rear window switch harness connector.
2. Activate the appropriate rear window switch on the master switch to the DOWN position.

Does the test lamp illuminate?

Go to Step 24

Go to Step 19

Test for an open in the window lockout signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 32

Go to Step 22

Test for an open or short to ground in the power window up signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 32

Go to Step 22

Test for an open or short to ground in the power window up signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 32

Go to Step 22

Test for an open or short to ground in the power window motor up control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 32

Go to Step 24

Test for an open or short to ground in the power window motor down control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 32

Go to Step 24

Inspect for poor connections at the body control 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 32

Go to Step 28

Inspect for poor connections at the driver 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 32

Go to Step 29

Inspect for poor connections at the passenger rear power window 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 32

Go to Step 30

Inspect for poor connections at the passenger rear power window motor. 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 32

Go to Step 31

Repair the open or short to ground in the battery positive voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 32

--

Repair the open in the rear power window switch ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 32

--

Important: Perform the set up procedure for the body control module. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.

Replace the body control module. Refer to Body Control Module Replacement in Body Control System.

Did you complete the repair?

Go to Step 32

--

Important: Perform the set up procedure for the driver door module. Refer to Door Control Module Programming/RPO Configuration .

Replace the driver door module. Refer to Door Lock and Side Window Switch Replacement - Driver Side .

Did you complete the repair?

Go to Step 32

--

Replace the passenger rear power window switch. Refer to Rear Side Door Window Switch Replacement .

Did you complete the repair?

Go to Step 32

--

Replace the passenger rear power window motor. Refer to Rear Side Door Window Regulator Replacement .

Did you complete the repair?

Go to Step 32

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2