Step
| Action
| Value(s)
| Yes
| No
|
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) 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
18
|
Go to Step 22
|
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 mini-wedge connector C3.
- 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 mini-wedge connector
C3.
- 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 mini-wedge connector C3.
- 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 mini-wedge connector
C3.
- 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 C3.
Does the scan tool display INACTIVE?
| INACTIVE
|
Go to Step 12
|
Go to Step
22
|
12
|
- Reconnect the BCM connector C3.
- Disconnect the LH mini-wedge connector C3.
- 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 mini-wedge connector C3.
- 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 mini-wedge.
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 mini-wedge and C200.
Did you complete the repair?
| --
|
Go to Step
23
| --
|
16
| Repair the open in the signal circuit of the door key switch between
the LH mini-wedge and G203.
Did you complete the repair?
| --
|
Go to Step
23
| --
|
17
| Replace the LH mini-wedge.
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
| --
|
19
| Replace the RH mini-wedge.
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 mini-wedge and C200.
Did you complete the repair?
| --
|
Go to Step
23
| --
|
21
| Repair the open in the signal circuit of the door key switch between
the mini-wedge 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) Circuit Description
.
Does the system work as described?
| --
| System OK
| Go to
Diagnostic System Check - Theft Deterrent
|
