B3089

DTC B3089

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Initial Inspection and Diagnostic Overview) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Initial Inspection and Diagnostic Overview) provide an overview of each diagnostic category.



DTC Descriptor
DTC B3089
- Intrusion Sensor Armed Signal Circuit




Circuit/System Description

When the Content Theft Deterrent (CTD) system arms and enables the intrusion sensor, the body control module (BCM) receives a power-up acknowledgement from the intrusion sensor via the intrusion sensor armed signal circuit.


Conditions for Running the DTC

* CTD System is armed.
* Intrusion sensor is enabled.



Conditions for Setting the DTC

The BCM does not receive the power-up acknowledgement from the intrusion sensor.


Action Taken When the DTC Sets

The BCM will ignore all inputs from the intrusion sensor for the remainder of the CTD System arming cycle.


Conditions for Clearing the DTC

A current DTC will clear when the BCM receives a power-up acknowledgement from the intrusion sensor during the next CTD system arming cycle.


Reference Information
Schematic Reference

Theft Deterrent System Schematics (Theft Deterrent System Schematics)
Connector End View Reference

Component Connector End Views (Connector Views)
Description and Operation

Content Theft Deterrent (CTD) Description and Operation (Content Theft Deterrent (CTD) Description and Operation)
Electrical Information Reference

* Testing for Intermittent Conditions and Poor Connections (Component Tests and General Diagnostics)
* Circuit Testing (Component Tests and General Diagnostics)
* Wiring Repairs (Component Tests and General Diagnostics)
* Connector Repairs (Component Tests and General Diagnostics)

Scan Tool Reference

Control Module References (Programming and Relearning) for Scan Tool Information


Circuit/System Verification

1. Ignition OFF, disconnect the X1 harness connector at the BCM. Disconnect the harness connector at the intrusion sensor.
2. Verify a test lamp does not illuminate between the signal circuit terminal C at the intrusion sensor and B+.

• If the test lamp illuminates, test the signal circuit for a short to ground.

3. Test for less than 2 ohms between the signal circuit terminal C at the intrusion sensor and the signal circuit terminal 2 at the BCM X1 harness connector.

• If greater than the specified range, test the signal circuit for an open/high resistance.

4. Ignition ON, verify a test lamp does not illuminate between the signal circuit terminal C at the intrusion sensor and ground.

• If the test lamp illuminates, test the signal circuit for a short to B+.

5. If all circuits test normal, test or replace the intrusion sensor.



Repair Instructions

Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.


Theft Deterrent Sensor Replacement (Service and Repair)