GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Aveo 🢒 Engine 🢒 Engine Electrical 🢒 Diagnostic System Check - Theft Deterrent

Test Description

The number below refers to the step number on the diagnostic table.

  1. This step ensures that the battery, and the vehicle primary power and ground systems are functioning properly.

    2.

  2. Lack of communication may be due to a partial malfunction of the serial data circuit or due to a total malfunction of the serial data circuit. The specified procedure will determine the particular condition.

Step

Action

Yes

No

1

Perform the following preliminary inspections:

    • Ensure that the battery is fully charged.
    • Ensure that the battery cables are clean and tight.
    • Inspect for any open fuses.
    • Inspect the easily accessible systems or the visible system components for obvious damage or conditions that could cause the symptom.
    • Ensure that the grounds are clean, tight, and in the correct location.
    • Inspect for aftermarket devices that could affect the operation of the system.
    • Search for applicable service bulletins.

Did you find and correct the condition?

System OK

Go to Step 2

2

Install a scan tool.

Does the scan tool power up?

Go to Step 3

Go to Scan Tool Does Not Power Up in Data Link Communications

3
  1. Turn ON the ignition, with the engine OFF.
  2. Attempt to establish communication with the remote control door lock receiver (RCDLR), if equipped.

Does the scan tool communication with the RCDLR?

Go to Step 4

Go to Scan Tool Does Not Communicate with Component in Data Link Communications

4

Attempt to establish communication with the theft deterrent control module, if equipped.

Does the scan tool communicate with the theft deterrent module?

Go to Step 5

Go to Scan Tool Does Not Communicate with Component in Data Link Communications

5

Select the ECM display DTCs function on the scan tool.

Does the scan tool display any DTCs?
    • Go to Diagnostic System Check - Engine Controls in Engine Controls - 1.2L
    • Go to Diagnostic System Check - Engine Controls in Engine Controls - 1.4L SOHC
    • Go to Diagnostic System Check - Engine Controls in Engine Controls - 1.4L DOHC
    • Go to Diagnostic System Check - Engine Controls in Engine Controls - 1.5L
    •  Go to Diagnostic Trouble Code (DTC) List in Engine Controls - 1.6L

Go to Symptoms - Theft Deterrent