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DTC B2897

Diagnostic Instructions
    • Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
    • Review Strategy Based Diagnosis for an overview of the diagnostic approach.
    • Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors

DTC B2897 02: Steering Column Lock Motor Lock Circuit Short to Ground

DTC B2897 05: Steering Column Lock Motor Lock Circuit High Voltage/Open

Diagnostic Fault Information

Circuit

Short to Ground

Open/High Resistance

Short to Voltage

Signal Performance

Steering Column Lock Motor Lock Signal

B2897 02

B2897 05

B2897 05

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Circuit/System Description

The vehicle theft deterrent subsystem provides the capability to lock or unlock the steering electrically. The steering column lock control module is allowed to unlock when power mode transitions to a non off power mode and an authenticated driver identification device is present. Once the column is unlocked, a crank request can be allowed.

Conditions for Running the DTC
    • The ignition is in OFF, ACCESSORY or RUN position.
    •  The system voltage is between 9–16 V

Conditions for Setting the DTC

B2897 02

The steering column lock enable input circuit is shorted to ground.

B2897 05

The steering column lock enable input circuit is open or shorted to battery.

Action Taken When the DTC Sets
    • DTC B2897 is stored in the steering column lock control module memory.
    • The steering column lock control module will command the driver information centre to display the service column lock warning message.
    • The steering column lock control module indicator is ON.

Conditions for Clearing the DTC

The steering column lock control module has received a lock command and detects no longer a malfunction in the steering column lock circuit.

Reference Information

Schematic Reference

Column Lock Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Steering Wheel and Column Description and Operation

Electrical Information Reference

    •  Circuit Testing
    •  Connector Repairs
    •  Testing for Intermittent Conditions and Poor Connections
    •  Wiring Repairs

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Testing
  1. Ignition OFF, disconnect the harness connector at the K60 Steering Column Lock Control Module.
  2. Test for less than 5 Ω between the ground circuit terminals 6 and 7 and ground.
    3. ⇒If greater than the specified value, test the ground circuit for an open/high resistance.
  3. Test for greater than 11 V between the B+ circuit terminal 5 and ground.
    4. ⇒If less than the specified value, test the open circuit on the steering column unlock circuit.
  4. Ignition ON, test for greater than 11 V on the control circuit terminal 3.
    5. ⇒If less than the specified value, test the open circuit on the control circuit.
  5. Test for less than 0.3 V of resistance between the control circuit terminal 4 and ground.
    6. ⇒If greater than the specified value, test the control circuit for a short to voltage.
  6. Disconnect the connector at the K77 Remote Control Door Lock Receiver.
  7. Test for less than 5 Ω between the K60 Steering Column Lock Control Module circuit terminal 4 and the K77 Remote Control Door Lock Receiver circuit terminal 1.
    8. ⇒If greater than the specified range, test the control circuit for a open circuit.
  8. If all circuits test normal, test or replace the K60 Steering Column Lock Control Module or the K77 Remote Control Door Lock Receiver.

Component Testing

Static Test

  1. Ignition OFF, disconnect the connector at the K60 Steering Column Lock Control Module.
  2. Ignition ON, command the K77 Remote Control Door Lock Receiver to unlock the K60 Steering Column Lock Control Module. Test for less then 5 Ω between the K60 Steering Column Lock Control Module circuit terminal 4 and ground.
    3. ⇒If not the specified value, replace the K77 Remote Control Door Lock Receiver.
  3. Test for infinite resistance between the steering column lock circuit terminal 4 and ground.
    4. ⇒If less than the specified range, replace the K60 Steering Column Lock Control Module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

    •  Steering Column Replacement : Right Hand Drive → Left Hand Drive
    • Control Module References for steering column lock control module/remote control door lock receiver replacement, setup and programming
   


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