Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota 4Runner 1996-2003 Approved SIL techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 024runne di eisy cib27969

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                                                                                                            DI-505
                                          DIAGNOSTICS    -    ENGINE IMMOBILISER SYSTEM
                                                                                                             DI1KO-09




   DTC           B2796/99 No Communication in Immobiliser System

CIRCUIT DESCRIPTION
   DTC No.                   DTC Detection Condition                                       Trouble Area
                                                                   S Key
                                                                   S Transponder key coil
   B2796/99    No communication                                    S Transponder key amplifier
                                                                   S Wire harness
                                                                   S ECM


WIRING DIAGRAM



    T6                                                                                                ECM
    Transponder Key Amplifier


                                                                                     5
                    CODE     2                         GR-R                                 CODE
                                                                                   E14




                                                                                    18
                              3                        R-B                         E14
                    RXCK                                                                    RXCK




                                                                                    19
                             4                          P-B
                    TXCT                                                           E14 TXCT




                                                                                                               I03114




2002 4RUNNER (RM887U)

                                                                    Author :                     Date :      681
DI-506
                                  DIAGNOSTICS   -   ENGINE IMMOBILISER SYSTEM

INSPECTION PROCEDURE

   1     Check transponder key coil (See page BE-172 ).


                                        NG          Replace transponder key coil.


  OK



   2     Check harness and connector between transponder key amplifier and ECM (See
         page IN-28 ).


                                        NG          Repair or replace harness or connector.


  OK



   3     Does it operate normally after replacement of transponder key amplifier?


                                        Yes         Replace transponder key amplifier.


   No



  Replace ECM.




2002 4RUNNER (RM887U)

                                                           Author :             Date :        682



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