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Pinpoint Test L: The Remote Keyless Entry (RKE) Transmitter Is Inoperative

NOTE: All IKT transmitters must be present to begin diagnosis of the RKE system.
NOTE: Aftermarket or dealer-installed systems may adversely affect the RKE system operation. These systems should be disconnected before diagnosing any RKE concerns.
  1. L1 CHECK FOR THE CORRECT RKE TRANSMITTERS 
      NOTE: Make sure the IKTs are those provided with the original equipment manufacturer (OEM) system and not from an aftermarket system, or a dealer-installed system that may have been installed on the vehicle.
    • Check that the correct IKTs are used with the vehicle.
    • Are all the correct IKTs present? 
    1. YES  : Go to  L2.
    2. NO  : The system cannot be tested without the correct IKTs. INFORM the customer that all the correct IKTs must be present to proceed with diagnosis of the system.
  2. L2 CHECK THE RECORDED SJB AND INSTRUMENT CLUSTER (IC) DTCs FROM THE ON-DEMAND SELF-TEST 
    • Check the recorded results from the SJB and IC self-test.
    • Is DTC B2425 or B1137 recorded? 
    1. YES  : For DTC B2425, go to  L3.

      For DTC B1137, go to Pinpoint Test R .

    2. NO  : Go to  L4.
  3. L3 RE-SYNCHRONIZE THE INOPERATIVE IKT 
    • Key in OFF position.
    • Key in ON position.
    • Leave the IKT key in the ON position for a minimum of 6 seconds.
    • Key in OFF position.
    • Press any button on the IKT.
    • Does the IKT operate? 
    1. YES  : The system is OK. CLEAR the DTCs. REPEAT the self-test.
    2. NO  : Go to  L4.
  4. L4 MAKE SURE THE RKE TRANSMITTER SIGNAL IS BEING RECEIVED 
    • Enter the following diagnostic mode on the diagnostic tool: Remote Keyless Entry
      • NOTE: The remote keyless entry test is accessed through the scan tool by selecting Toolbox, Body, Security.
    • Monitor the RKE transmitter identification code (TIC) through the scan tool menus.
    • Verify the RKE transmitter signal is being received. Using a scan tool, press a button on the RKE transmitter while observing the scan tool.
    • Does the TIC show up on the scan tool screen when a button is pressed? 
    1. YES  : Go to  L5.
    2. NO  : Go to  L6.
  5. L5 CHECK IF THE RKE TRANSMITTERS ARE PROGRAMMED 
    • Enter the following diagnostic mode on the diagnostic tool: Remote Keyless Entry
    • Monitor the RKE TIC through the scan tool menus.
    • Compare the TIC received from the RKE transmitter with the TICs stored in memory.
    • Does the TIC displayed match any of the TICs stored in memory? 
    1. YES  : Go to  L7.
    2. NO  : PROGRAM all of the IKTs. REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article. INFORM the customer that any IKTs not present need to be programmed. TEST the system for normal operation.
  6. L6 CHECK THE IKT BATTERY 
    • Using a thin coin, open the IKT.
    • Do not clean off any grease from the battery terminals on the back surface of the circuit board.
    • Verify the correct battery is used (CR2032).
    • Remove the IKT battery and measure the voltage.
    • Is the voltage greater than 2.5 volts? 
    1. YES  : Go to  L7.
    2. NO  : INSTALL a new battery (make sure the battery is seated correctly). DO NOT reprogram the IKT (weak or dead batteries do not erase TICs from memory). TEST the system for normal operation.
  7. L7 CHECK FOR NORMAL OPERATION WITH A KNOWN GOOD IKT 
    • Enter the following diagnostic mode on the diagnostic tool: Remote Keyless Entry
    • Monitor the RKE TIC through the scan tool menus.
    • Using the customer's second RKE transmitter, or a known good RKE transmitter that is correct for the vehicle, verify the RKE transmitter signal is being received by the SJB.
    • Does the TIC show up on the scan tool when a button is pressed? 
    1. YES  : REPLACE the inoperative IKT. PROGRAM the new IKT. REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article. TEST the system for normal operation.
    2. NO  : Go to  L8.
  8. L8 CHECK FOR CORRECT SJB OPERATION 
    • Disconnect all the SJB connectors.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect all the SJB connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES article. CYCLE each IKT key to the ON position for a minimum of 6 seconds to program the RKE function of the integrated keys. TEST the system for normal operation.
    2. NO  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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