Step
| Action
| Value(s)
| Yes
| No
|
Schematic Reference:
Theft Deterrent System Schematics
Connector End View Reference:
Theft Deterrent System Connector End Views
DEFINITION: The CTD system does not disarm when the vehicle is unlocked with
the key.
|
1
| Did you perform the Theft Deterrent Diagnostic System Check?
| --
| Go to
Step 2
| Go to
Diagnostic System Check - Theft Deterrent
|
2
|
- Turn ON the ignition with the engine OFF.
- With a scan tool, observe the door key switch parameter in the Body Control
Module (BCM) security data list.
Does the scan tool display INACTIVE?
| INACTIVE
| Go to
Step 3
| Go to
Step 11
|
3
|
- Turn OFF the ignition.
- With a scan tool, observe the door key switch parameter in the BCM data
list.
- Insert the ignition key into the drivers door lock cylinder.
- Turn and hold the door lock cylinder to the UNLOCK position.
Does the scan tool display ACTIVE?
| ACTIVE
| Go to
Step 6
| Go to
Step 4
|
4
|
- Insert the ignition key into the passenger door lock cylinder.
- With a scan tool, observe the door key switch parameter in the BCM data
list.
- Turn and hold the door lock cylinder to the UNLOCK position.
Does the scan tool display ACTIVE?
| ACTIVE
| Go to
Step 9
| Go to
Step 5
|
5
|
- Connect a 3 amp fused jumper wire between the signal circuit of the door
key switch and ground.
- With a scan tool, observe the door key switch parameter in the BCM data
list.
Does the scan tool display ACTIVE?
| ACTIVE
| Go to
Step 8
| Go to
Step 18
|
6
|
- Insert the ignition key into the passenger door lock cylinder.
- With a scan tool, observe the door key switch parameter in the BCM data
list.
- Turn and hold the door lock cylinder to the UNLOCK position.
Does the scan tool display ACTIVE?
| ACTIVE
| System OK
| Go to
Step 7
|
7
|
- Disconnect the RH door key switch connector.
- With a scan tool, observe the Door Key Switch parameter.
- Connect a 3 amp fused jumper wire between the signal circuit of the door
key switch and ground.
Does the scan tool display ACTIVE?
| ACTIVE
| Go to
Step 8
| Go to
Step 20
|
8
|
- Connect a 3 amp fused jumper wire between the signal circuit of the door
key switch and the ground circuit at the RH door key switch connector.
- With the scan tool, observe the Door Key Switch parameter.
Does the scan tool display ACTIVE?
| ACTIVE
| Go to
Step 19
| Go to
Step 21
|
9
|
- Disconnect the LH door key switch connector.
- With a scan tool, observe the Door Key Switch parameter.
- Connect a 3 amp fused jumper wire between the signal circuit of the door
key switch and ground.
Does the scan tool display the specified ACTIVE?
| ACTIVE
| Go to
Step 10
| Go to
Step 15
|
10
|
- Connect a 3 amp fused jumper wire between the signal circuit of the door
key switch and the ground circuit at the LH door key switch connector.
- With the scan tool, observe the Door Key Switch parameter.
Does the scan tool display ACTIVE?
| ACTIVE
| Go to
Step 17
| Go to
Step 16
|
11
|
- With a scan tool observe the Door Key Switch parameter.
- Disconnect the BCM connector containing the circuits to the door key switch.
Does the scan tool display INACTIVE?
| INACTIVE
| Go to
Step 12
| Go to
Step 22
|
12
|
- Reconnect the BCM connector.
- Disconnect the LH door key switch connector.
- With a scan tool observe the Door Key Switch parameter.
Does the scan tool display INACTIVE?
| INACTIVE
| Go to
Step 17
| Go to
Step 13
|
13
|
- Disconnect the RH door key switch connector.
- With a scan tool observe the Door Key Switch parameter.
Does the scan tool display INACTIVE?
| INACTIVE
| Go to
Step 19
| Go to
Step 14
|
14
| Repair the short to ground in the signal circuit of the door key switch between
the BCM and either door latch.
Did you complete the repair?
| --
| Go to
Step 23
| --
|
15
| Repair the open in the signal circuit of the door key switch between the LH
door latch and C200.
Did you complete the repair?
| --
| Go to
Step 23
| --
|
16
| Repair the open in the ground circuit of the door key switch between the LH
door key switch connector and G203.
Did you complete the repair?
| --
| Go to
Step 23
| --
|
17
| Replace the LH door latch. Refer to
Front Side Door Latch Replacement
in Doors.
Did you complete the replacement?
| --
| Go to
Step 23
| --
|
18
| Repair the open in the signal circuit of the door key switch between the BCM
and C200.
Did you complete the repair?
| --
| Go to
Step 23
| Go to
Step 22
|
19
| Replace the RH door latch. Refer to
Front Side Door Latch Replacement
in Doors.
Did you complete the replacement?
| --
| Go to
Step 23
| --
|
20
| Repair the open in the signal circuit of the door key switch between the RH
door key switch connector and C200.
Did you complete the repair?
| --
| Go to
Step 23
| --
|
21
| Repair the open in the ground circuit between the door key switch connector
and G200.
Did you complete the repair?
| --
| Go to
Step 23
| --
|
22
|
- Replace the BCM. Refer to
Body Control Module Replacement
in Body Control System.
- Program the BCM with the proper calibrations. Refer to
Body Control Module (BCM) Programming/RPO Configuration
in Body Control System.
- Perform the learn procedure.
Did you complete the replacement?
| --
| Go to
Step 23
| --
|
23
|
- Reconnect any connectors that were removed for testing.
- Clear any DTCs that may have been set during this procedure.
- Attempt to set the CTD system. Refer to
Content Theft Deterrent (CTD) Description and Operation
.
Does the system work as described?
| --
| System OK
| Go to
Diagnostic System Check - Theft Deterrent
|
