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 Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC B3105 00

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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 keyless entry system must be enabled.

Conditions for Setting the DTC

The DTC is set if there are 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 A/C Compressor Clutch

Description and Operation

Keyless Entry System Description and Operation Description and Operation

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 References for scan tool information

Special Tools

J 43241 - Keyless Entry Tester

Circuit/System Verification

1. Place the transmitter on the test pad of the J 43241 - keyless entry tester and press each transmitter button one at a time. The tester should sound a tone and illuminate a green light with each button press.

• 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 - keyless entry tester. If the condition continues after battery replacement, replace the transmitter.

2. Program the transmitter. Refer to Remote Control Door Lock Transmitter Learn Testing and Inspection. The transmitter should successfully complete the programming procedure.

• If the transmitter does not program, replace the keyless entry transmitter. If the new keyless entry transmitter does not complete the programming, replace the RCDLR.

3. Operate the transmitter function while observing the vehicle. The vehicle should perform each of the corresponding functions when selected on the transmitter.

• If any of the vehicle functions are inoperative, replace the keyless entry transmitter. If the functions remain inoperative after replacement of the transmitter, replace the RCDLR.

Repair Instructions

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

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