Symptoms - Doors. Chevrolet Evaluator 1985

For 1990-2009 cars

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

1. Perform the Diagnostic System Check - Vehicle 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 Checking Aftermarket Accessories .

• | 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 Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

### Symptom List

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

• | Power Windows Inoperative - All

• | 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