B3105

DTC B3105

Diagnostic Instructions

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

DTC Descriptor
DTC B3105 00
- Keyless Entry System Key Fobs Not Programmed

Circuit/System Description

The remote control door lock receiver (RCDLR) monitors the number of keyless entry transmitters programmed. Until at least one transmitter is programmed, the RCDLR determines a malfunction condition exists.

Conditions for Running the DTC

The RCDLR has been set up without transmitters being programmed

Conditions for Setting the DTC

No keyless entry transmitter programmed to the RCDLR.

Action Taken When the DTC Sets

The keyless entry system is inoperative.

Conditions for Clearing the DTC

A current DTC is cleared at least one transmitter has been programmed to the RCDLR.

Reference Information
Schematic Reference

Remote Function Schematics [1][2]Electrical Diagrams
Connector End View Reference

Component Connector End Views Connector Views
Description and Operation

Keyless Entry System Description and Operation (with ATH) Keyless Entry System (with ATH)Keyless Entry System Description and Operation (without ATH) Keyless Entry System (without ATH)
Electrical Information Reference

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

Scan Tool Reference

Control Module References Control Module Referencesfor scan tool information
Special Tools

J 43241 Keyless Entry Tester

Circuit/System Verification

Attempt to program the keyless entry transmitter, refer to Remote Control Door Lock Transmitter Learn (without ATH) Remote Control Door Lock Transmitter Learn (without ATH) (without ATH) or Remote Control Door Lock and Theft Deterrent Transmitter Programming (with ATH - Canada and Europe) Remote Control Door Lock and Theft Deterrent Transmitter Programming (with ATH - Canada and Europe)Remote Control Door Lock and Theft Deterrent Transmitter Programming (with ATH - N America and Asia) Remote Control Door Lock and Theft Deterrent Transmitter Programming (with ATH - N America and Asia) (with ATH). The transmitter should program.

Circuit/System Testing

1. Verify that the transmitter is the correct transmitter for the vehicle.

• If not correct, replace the transmitter.

2. Place the transmitter on the test pad of the J 43241 and press each button of the transmitter one at a time. The tester should sound a tone and illuminate a green light when each button is pressed.

• If one or more buttons does not sound the tone and illuminate the green light, replace the transmitter battery and retest with the J 43241 . If the condition continues after battery replacement, replace the transmitter.

3. Attempt to program the transmitter, refer to Remote Control Door Lock Transmitter Learn (without ATH) Remote Control Door Lock Transmitter Learn (without ATH) (without ATH) or Remote Control Door Lock and Theft Deterrent Transmitter Programming (with ATH - Canada and Europe) Remote Control Door Lock and Theft Deterrent Transmitter Programming (with ATH - Canada and Europe)Remote Control Door Lock and Theft Deterrent Transmitter Programming (with ATH - N America and Asia) Remote Control Door Lock and Theft Deterrent Transmitter Programming (with ATH - N America and Asia) (with ATH). The transmitter should program.

• If the transmitter does not program, replace the RCDLR.

Repair Instructions

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

Control Module References Control Module Referencesfor RCDLR replacement, setup, and programming