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HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 219 (KEYLESS ENTRY SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESKEYLESS ENTRY SYSTEM INOPERATIVE
2001 Chevrolet Cavalier LS, 2.4 T

Keyless Entry System Inoperative

2001 Chevrolet Cavalier LS, 2.4 TSECTION Keyless Entry System Inoperative
WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Keyless Entry System Inoperative

Step Action Yes No
1 Did you perform the Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Remote Keyless Entry 
2 Press each button of the transmitter one at a time.
Does the system operate normally?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Lock and unlock the door locks using the controls inside the vehicle.
Do the locks operate properly?		 Go to Step 4  Go to Diagnostic System Check - Door Systems in Doors
4 Operate the rear compartment release using the controls inside the vehicle.
Does the rear compartment release operate properly?		 Go to Step 5  Go to Diagnostic System Check - Body Rear End in Body Rear End
5
IMPORTANT: Inspect that the keyless entry transmitter is the correct model for the vehicle remote system. A wrong model transmitter may pass this test, but will not activate the vehicle remote system.
  1. Turn on the J 43241  Keyless Entry Tester. See Special Tools and Equipment .
  2. Place the transmitter on the J 43241  test pad. See Special Tools and Equipment .
  3. Press each button of the transmitter one at a time.
Does a tone sound and the green light illuminate on the J 43241  after each button is pressed?. See Special Tools and Equipment .		 Go to Step 10  Go to Step 6 
6 Do any of the buttons on the transmitter sound the tone and illuminate the green light when pressed? Go to Step 9  Go to Step 7 
7 Replace the transmitter battery. Refer to Transmitter Battery Replacement .
Did you complete the replacement?		 Go to Step 8  -
8
  1. Turn on the J 43241  . See Special Tools and Equipment .
  2. Place the transmitter on the J 43241  test pad. See Special Tools and Equipment .
  3. Press each button of the transmitter one at a time.
Does a tone sound and the green light illuminate on the J43241 after each button is pressed?		 Go to Step 10  Go to Step 9 
9 Replace the transmitter.
Did you complete the replacement?		 Go to Step 10  -
10 Perform the programming procedure. Refer to Transmitter Programming .
Did the locks cycle to lock then unlock?		 Go to Step 12  Go to Step 11 
11
IMPORTANT: When replacing the BCM, perform the BCM programming procedure. Also program all transmitters. Refer to Transmitter Programming 
Replace the body control module (BCM). Refer to Body Control Module Replacement in Body Control Systems.Did you complete the replacement?		 Go to Step 12  -
12 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
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