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Home >> Chevrolet >> 2006 >> Optra LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Keyless Entry) >> Diagnostic Information and Procedures >> Diagnostic System Check - Remote Keyless Entry >> Test Description
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Test Description

WARNING: This page is about a different car, the 2005 Chevrolet Optra5 and 2005 Chevrolet Optra. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 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 Install a scan tool.
Does the scan tool power up?		 Go to Step 2  Go to Scan Tool Does Not Power Up in Data Link Communications
2 
  1. Turn ON the ignition, with the engine OFF.
  2. Attempt to establish communication with the remote control door lock receiver (RCDLR).
Does the scan tool communicate with the RCDLR?		 Go to Step 3  Go to Scan Tool Does Not Communicate with Component in Data Link Communications
3 Select the ECM display DTCs function on the scan tool.
Does the scan tool display any DTCs?		 Go to Symptoms - Keyless Entry 
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