GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Tracker - 4WD 🢒 Body and Accessories 🢒 Doors 🢒 Power Door Locks Actuator Motor Inoperative

Power Door Locks Actuator Motor Inoperative Rear

Step

Action

Yes

No

1

Did you review the Keyless Entry System Description , Keyless Entry System Operation and Keyless Entry System Circuit Description and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Doors

2

Verify that the rear door lock is inoperative.

Is only the rear door lock inoperative?

Go to Step 3

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

3
  1. Disconnect the door lock actuator connector.
  2. Connect a test lamp between terminal 2 and ground.

Does the test lamp illuminate with the door lock switch in the LOCK position?

Go to Step 5

Go to Step 4

4

Repair the open in the BLU wire between the door lock actuator and S308. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

--

5

Connect a test lamp between terminal 3 and ground.

Does the test lamp illuminate with the door lock switch in the UNLOCK position?

Go to Step 7

Go to Step 6

6

Repair the open in the BLU/RED wire between the door lock actuator and S309. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

--

7

Replace the door lock actuator.

Is the repair complete?

Go to Step 8

--

8

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3

Power Door Locks Actuator Motor Inoperative Right Rear

Step

Action

Yes

No

1

Did you review the Keyless Entry System Description , Keyless Entry System Operation and Keyless Entry System Circuit Description and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Doors

2

Verify that the right rear door lock is inoperative.

Is only the right rear door lock inoperative?

Go to Step 3

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

3
  1. Disconnect the door lock actuator connector.
  2. Connect a test lamp between terminal 2 and ground.

Does the test lamp illuminate with the door lock switch in the LOCK position?

Go to Step 5

Go to Step 4

4

Repair the open in the BLU wire between the door lock actuator and S308. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

--

5

Connect a test lamp between terminal 3 and ground.

Does the test lamp illuminate with the door lock switch in the UNLOCK position?

Go to Step 7

Go to Step 6

6

Repair the open in the BLU/RED wire between the door lock actuator and S309. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

--

7

Replace the door lock actuator. Refer to Rear Side Door Lock Actuator Replacement .

Is the repair complete?

Go to Step 8

--

8

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3

Power Door Locks Actuator Motor Inoperative Left Rear

Step

Action

Yes

No

1

Did you review the Keyless Entry System Description , Keyless Entry System Operation and Keyless Entry System Circuit Description operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Doors

2

Verify that the left rear door lock is inoperative.

Is only the left rear door lock inoperative?

Go to Step 3

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

3
  1. Disconnect the door lock actuator connector.
  2. Connect a test lamp between terminal 2 and ground.

Does the test lamp illuminate with the door lock switch in the LOCK position?

Go to Step 5

Go to Step 4

4

Repair the open in the BLU wire between the door lock actuator and S308. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

--

5

Connect a test lamp between terminal 3 and ground.

Does the test lamp illuminate with the door lock switch in the UNLOCK position?

Go to Step 7

Go to Step 6

6

Repair the open in the BLU/RED wire between the door lock actuator and S309. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

--

7

Replace the door lock actuator. Refer to Rear Side Door Lock Actuator Replacement .

Is the repair complete?

Go to Step 8

--

8

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3

Power Door Locks Actuator Motor Inoperative Right Front

Step

Action

Yes

No

1

Did you review the Keyless Entry System Description , Keyless Entry System Operation and Keyless Entry System Circuit Description and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Doors

2

Verify that the right front door lock is inoperative.

Is only the right front door lock inoperative?

Go to Step 3

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

3
  1. Disconnect the door lock actuator connector.
  2. Connect a test lamp between terminal 2 and ground.

Does the test lamp illuminate with the door lock switch in the LOCK position?

Go to Step 5

Go to Step 4

4

Repair the open in the BLU wire between the door lock actuator and S224. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

--

5

Connect a test lamp between terminal 3 and ground.

Does the test lamp illuminate with the door lock switch in the UNLOCK position?

Go to Step 7

Go to Step 6

6

Repair the open in the BLU/RED wire between the door lock actuator and S225. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

--

7

Replace the door lock actuator. Refer to Front Side Door Lock Actuator Replacement .

Is the repair complete?

Go to Step 8

--

8

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3

Power Door Locks Actuator Motor Inoperative Left Front

Step

Action

Yes

No

1

Did you review the Keyless Entry System Description , Keyless Entry System Operation and Keyless Entry System Circuit Description and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Doors

2

Verify that the left front door lock is inoperative.

Is only the left front door lock inoperative?

Go to Step 3

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

3
  1. Disconnect the door lock actuator connector.
  2. Connect a test lamp between terminal 2 and ground.

Does the test lamp illuminate with the door lock switch in the LOCK position?

Go to Step 5

Go to Step 4

4

Repair the open in the BLU wire between the door lock actuator and S224. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 10

--

5

Connect a test lamp between terminal 3 and ground.

Does the test lamp illuminate with the door lock switch in the UNLOCK position?

Go to Step 8

Go to Step 6

6
  1. Connect the door lock actuator connector.
  2. Disconnect the remote control door lock receiver.
  3. Ground terminal A of the remote control door lock receiver with a fused jumper wire.
  4. Unlock the door.

Does the door lock when the door lock switch is in the LOCK position?

Go to Step 9

Go to Step 7

7

Repair the open in the BLU/RED wire between the door lock actuator and the remote control door lock receiver. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 10

--

8

Replace the door lock actuator. Refer to Front Side Door Lock Actuator Replacement .

Is the repair complete?

Go to Step 10

--

9

Replace the remote control door lock receiver. Refer to Door Control Module Replacement .

Is the repair complete?

Go to Step 10

--

10

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3