GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Vivant 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Content Theft Deterrent (CTD) Alarm Mode Inoperative

Step

Action

Yes

No

Schematic Reference: Theft Deterrent System Schematics

Connector End View Reference: Theft Deterrent System Connector End Views

DEFINITION: The CTD system will not ARM or DISARM properly.

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Important: When the CTD system is armed, the vehicle will confirm by chirping the alarm and flashing the turn signals once.

  1. Open the driver and passenger windows.
  2. Remove the keys from the ignition.
  3. Close all the doors, rear compartment and the hood.
  4. Lock the doors with the transmitter. (Arm the system.)

Did the CTD system arm?

Go to Step 3

Go to Step 4

3

Important: When the CTD system is disarmed, the vehicle will confirm by flashing the turn signals twice.

With the system still armed, unlock a door with the key.

Does the CTD system disarm?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Content Theft Deterrent (CTD) Does Not Disarm with Key Lock

4
  1. Switch the dome lamp to the center position (DOOR).
  2. Unlock the doors with the transmitter.
  3. Observe the courtesy lamps.
  4. Open and close each door.

Do the courtesy lamps illuminate for all doors?

Go to Step 5

Go to Symptoms - Lighting Systems

5
  1. Disconnect the hood switch.
  2. Attempt to arm the CTD system.

Does the CTD system arm?

Go to Step 9

Go to Step 6

6

Test for a short to ground in the hood switch signal circuit. Refer to Testing for Short to Ground and Wiring Repairs .

Did you find and correct the condition?

Go to Step 10

Go to Step 7

7

Test for a poor connection at the RCDLR. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 10

Go to Step 8

8

Replace the RCDLR. Refer to Remote Control Door Lock Receiver Replacement .

Did you complete the replacement?

Go to Step 10

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9

Replace the hood switch.

Did you complete the replacement?

Go to Step 10

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10

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2