Symptoms - Doors. Pontiac Demonstrator 1985

For 1990-2009 cars

Important: The following steps must be completed before using the symptom tables.

1. Perform the in Vehicle Control Systems before using the symptom tables in order to verify that all of the following are true:

• | There are no DTCs set.

• | The control module can communicate via the serial data link.

2. Review the system operation in order to familiarize yourself with the system functions:

• | Refer to Power Windows Description and Operation .

• | Refer to Power Door Locks Description and Operation .

• | Refer to Door Ajar Indicator Description and Operation .

• | Refer to Outside Mirror Description and Operation .

### Visual/Physical Inspection

• | Inspect for aftermarket devices which could affect the operation of the door systems. Refer to .

• | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

### Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to in Wiring Systems.

### Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

• | Power Window Express Down Function Inoperative

• | Power Window Lockout Function Inoperative

• | Power Window Inoperative - Driver Door

• | Power Window Inoperative - Passenger Door

• | Door Ajar Indicator Malfunction

• | Power Door Locks Inoperative

• | Automatic Door Locks Inoperative

• | Power Mirrors Inoperative

• | Heated Mirrors Inoperative