For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Was the Garage Door Opener System Check performed? | -- | Go to Step 2 | Go to Garage Door Opener System Check .
2 |

1. Disconnect the inside rear view mirror connector.
2. Turn the ignition switch to the ON position.
3. Use the DMM to measure the voltage between terminal 11 of the inside rear view mirror connector and a known good ground.

Is the measured voltage within the specified value?

B+

Go to Step 4

Go to Step 3

3 |

1. Locate an open or a high resistance in circuit X900.
2. Repair the open or the high resistance in circuit X900.

Is the repair complete?

--

Go to Step 7

--

4 | Use the DMM to measure the resistance between terminal 8 of the inside rear view mirror connector and a known good ground. Is the measured resistance within the specified value? | Less than 5 ohms | Go to Step 6 | Go to Step 5
5 |

1. Locate an open or a high resistance in circuit F915.
2. Repair the open or the high resistance in circuit F915.

Is the repair complete?

--

Go to Step 7

--

6 | Replace the garage door opener. Refer to Garage Door Opener Replacement in Garage Door Opener. Is the replacement complete? | -- | Go to Step 7 | --
7 |

1. Connect all connectors and components that were disconnected.
2. Program the universal transmitter. Refer to Garage Door Opener Operation .
3. Verify that the garage door opener operates properly.

Does the garage door opener operate properly?

--

System OK

Go to Step 1