Sunday, June 23, 2019

2019 Cadillac Truck Escalade AWD V8-6.2L Diagnostic Instructions Page 632


DTC B3109 00



- Keyless Entry Transmitter 1 Low Battery



DTC B3110 00



- Keyless Entry Transmitter 2 Low Battery



DTC B3111 00



- Keyless Entry Transmitter 3 Low Battery



DTC B3112 00



- Keyless Entry Transmitter 4 Low Battery



Circuit/System Description



With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the remote control



door lock receiver (RCDLR) along with the commanded keyless entry function.



Conditions for Running the DTC



A keyless transmitter button is pressed.



Conditions for Setting the DTC



The DTC sets after 3 consecutive low battery signals from the same programmed transmitter.



Action Taken When the DTC Sets



The keyless entry system is inoperative.



Conditions for Clearing the DTC



The DTC is cleared when a normal transmitter voltage signal is received from the programmed transmitter that set the DTC.



Diagnostic Aids



The keyless entry transmitter used in the 2-Way Advanced Remote Start System is unique to the system. When servicing or replacing a transmitter,



ensure that the correct transmitter is used. The correct transmitter part number can be found in the Accessory section of the parts catalog. Attempting



to replace a 2-Way Advanced Remote Start transmitter with a regular service part may result in a failure to program the transmitter.



Reference Information



Schematic Reference



Remote Function Schematics (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Keyless Entry/Keyless Entry



Transmitter/Diagrams/Electrical Diagrams)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views)



Description and Operation



Keyless Entry System Description and Operation (Without Accessory 2 Way Remote) (See: Accessories and Optional Equipment/Antitheft and



Alarm Systems/Keyless Entry/Description and Operation/Keyless Entry System Description and Operation (Without Accessory 2 Way Remote)



)Keyless Entry System Description and Operation (With Accessory 2 Way Remote) (See: Accessories and Optional Equipment/Antitheft and



Alarm Systems/Keyless Entry/Description and Operation/Keyless Entry System Description and Operation (With Accessory 2 Way Remote))



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification

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