GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2004 🢒 SRX 🢒 Accessories 🢒 Theft Deterrent 🢒 Content Theft Deterrent (CTD) Alarm Mode Inoperative

Test Descrpition

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

  1. Step 10 and Step 11 apply only to vehicles equipped with RPO UA2. If the vehicle is not epuipped with RPO UA2, proceed directly to Step 12.

    2.

  2. Step 10 and Step 11 apply only to vehicles equipped with RPO UA2. If the vehicle is not epuipped with RPO UA2, proceed directly to Step 12.

    3.

  3. Step 14 applies only to vehicles equipped with RPO UA2. If the vehicle is not epuipped with RPO UA2, proceed directly to Step 15.

Step

Action

Yes

No

Schematic Reference: Theft Deterrent System Schematics

Connector End View Reference: Theft Deterrent System Connector End Views

DEFINITION: The Content Theft Deterrent (CTD) system does not arm, or does not alarm upon an unauthorized entry.

1

Did you perform the Theft Deterrent Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Theft Deterrent

2
  1. Make sure the hood is completely closed.
  2. With a scan tool, observe the Hood Ajar Switch parameter in the Dash Integration Module (DIM) Inputs data list.

Does the scan tool indicate that the Hood Ajar Switch is ON?

Go to Step 3

Go to Step 6

3
  1. Turn the ignition OFF.
  2. Disconnect the hood ajar switch harness connector.
  3. Turn the ignition ON.
  4. With a scan tool, observe the Hood Ajar Switch parameter.

Does the scan tool indicate that the Hood Ajar Switch is On?

Go to Step 16

Go to Step 4

4
  1. Connect a 5 Amp fused jumper wire between the Hood Ajar Swtich signal circuit and the ground circuit of the hood ajar switch at the hood ajar switch harness connector.
  2. Observe the Hood Ajar Switch parameter in the DIM Inputs data list.

Does the scan tool indicate that the Hood Ajar Switch parameter is ON?

Go to Step 19

Go to Step 5

5
  1. Connect a 5 Amp fused jumper wire between the Hood Ajar Swtich signal circuit and a good ground.
  2. Observe the Hood Ajar Switch parameter in the DIM Inputs data list.

Does the scan tool indicate that the Hood Ajar Switch parameter is ON?

Go to Step 18

Go to Step 17

6
  1. Open the driver's window.
  2. Unlock the doors using the power door lock switch or the keyless entry transmitter.
  3. Remove the keys from the ignition.
  4. Open the driver's door.
  5. Observe the SECURITY indicator.

Does the SECURITY indicator flash?

Go to Step 7

Go to Courtesy Lamps Inoperative in Lighting Systems

7
  1. Lock the vehicle using the power door lock switches or the keyless entry transmitter.
  2. Observe the SECURITY indicator.

Does the SECURITY indicator change from flashing to on steady?

Go to Step 8

Go to Power Door Locks Inoperative in Doors

8
  1. Close all of the doors, the hood, and rear compartment lid.

    2. Important: Ensure that all the doors, the hood, and the rear compartment lid are closed. The Content Theft Deterrent System will not arm itself without all of the doors, the hood, and rear compartment lid being closed.

  2. Observe the SECURITY indicator.

Does the SECURITY indicator turn off in about 30 seconds?

Go to Step 9

Go to Courtesy Lamps Always On in Lighting Systems

9
  1. Reach in and manually unlock the driver's door.
  2. Open the driver's door.

Do all of the Alarm mode functions activate (parking lights flash, horn pulses, and Theft Deterrent Alarm sounds)?

Go to Step 10

Go to Step 13

10

  1. Re-arm the CTD system.
  2. Reach into the vehicle through the open window, and wave your arm for several seconds.

Does the CTD alarm mode activate?

Go to Step 11

Go to Intrusion Sensor Inoperative

11

  1. Re-arm the CTD system.
  2. Raise one wheel of the vehicle off of the ground.

    3. Important: Do not raise the vehicle on a hoist. The angle of the vehicle must change in order for the intrusion sensor to activate the CTD alarm mode.

Does the CTD alarm mode activate?

Go to Step 12

Go to Inclination Sensor Inoperative

12

Disarm the CTD system by inserting the door key into the driver door lock cylinder and rotate it to the unlock position.

Do all of the Alarm mode functions stop?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

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

13

Do any of the alarm functions activate?

Go to Step 14

Go to Courtesy Lamps Inoperative in Lighting Systems

14

Does the Theft Deterrent Alarm sound?

Go to Step 15

Go to Theft Deterrent Alarm Inoperative

15

Do the parking lights flash?

Go to Horn Inoperative in Content Theft Deterrent (CTD) Alarm Mode

Go to Lights Inoperative in Content Theft Deterrent (CTD) Alarm Mode

16

Test the Hood Ajar Switch signal circuit for a short to ground.

Did you find and correct the condition?

Go to Step 23

Go to Step 20

17

Test the Hood Ajar Switch signal circuit for a short to voltage or an open.

Did you find and correct the condition?

Go to Step 23

Go to Step 20

18

Repair the open in the Hood Ajar Switch ground cicruit.

Did you complete the repair?

Go to Step 23

--

19

Inspect for loose or poor connections at the harness connector of the Hood Ajar Switch. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Did you find and correct the condition?

Go to Step 23

Go to Step 21

20

Inspect for loose or poor connections at the harness connector of the DIM. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Did you find and correct the condition?

Go to Step 23

Go to Step 22

21

Replace the Hood Ajar Switch. Refer to Hood Ajar Switch Replacement.

Did you complete the repair?

Go to Step 23

--

22

Replace the Dash Integration Module (DIM). Refer to Dash Integration Module Replacement .

Did you complete the repair?

Go to Step 23

--

23

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2