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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Garage Door Opener System) >> Diagnostic Information and Procedures >> Garage Door Opener Inoperative

Garage Door Opener Inoperative

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Garage Door Opener Inoperative

Step Action Yes No
1 Did you review the Garage Door Opener Description and Operation and perform the necessary inspections? Go to Step 2  Go to Garage Door Opener Description and Operation 
2
IMPORTANT: If the vehicle is equipped with a valet switch, verify that the switch is in the OFF position.
Operate each button on the garage door opener (GDO) one at a time.Do all 3 buttons illuminate the LED?
Go to Step 4  Go to Step 3 
3 Do any buttons illuminate the LED? Go to Step 9  Go to Step 5 
4
  1. Place the J 41540  HomeLink Tester adjacent to the GDO as indicated. See Special Tools .
  2. Operate each button on the GDO.
Does the J 41540  verify each button when pressed? See Special Tools .
Go to Step 9  Go to Step 8 
5 Test the switched ignition voltage circuit for the following conditions:
  • An open
  • A high resistance
  • A short to ground

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11  Go to Step 6 
6 Test the inadvertent power supply circuit for the following conditions:
  • An open
  • A high resistance
  • A short to ground

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11  Go to Step 7 
7 Test the ground circuit for the following conditions:
  • An open
  • A high resistance

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11  Go to Step 8 
8 Inspect for poor connection at the harness connector. 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 11  Go to Step 9 
9 Replace the GDO. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 10  -
10 Program the GDO. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the procedure?
Go to Step 11  -
11 Operate the system in order to verify the repair.
Does the GDO operate properly for the customer?
System OK Advise the customer to call HomeLink™ at 1-800-355-3515