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Home >> Honda >> 2007 >> CR-V EX, 2.4 RE3 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Immobilizer System >> System Check

System Check

  1. Connect the HDS to the data link connector.
  2. Turn the ignition switch to ON (II).
  3. Monitor SYSTEM CHECK in the IMMOBILIZER INFO with the HDS.
  4. If the HDS displays NORMAL N-1, the immobilizer system is OK at this time, refer to the STATUS LOG . If the HDS displays any other messages, check as follows:
SYSTEM CHECK REFERENCE CHART

System Check No. Status Log. Indication System Check Possible Cause
A-1 Possible The key is not registered
  • This key is not registered in the immobilizer-keyless control unit. Try to register keys using the HDS.
  • Poor communication between the antenna and the immobilizer key because of interference from metal such as key chains.
  • Poor connection between the antenna and the immobilizer key because of low battery voltage.
A-2 Possible Communication error between the key and immobilizer unit
  • Intermittent interruption between transponder and immobilizer-keyless control unit.
  • The immobilizer key type is different. It is not for another company's one.
  • Key failure (transponder failure)
  • Poor communication between the antenna and the immobilizer key because of interference from metal such as key chains/key rings/other keys.
  • Poor connection between the antenna and the immobilizer key because of low battery voltage.
A-3 Possible No communication between the key and immobilizer unit
  • The ignition switch was turned to ON (II) with a non-immobilizer key.
  • The immobilizer key type is different. It is not for another company's one.
  • Key failure (transponder failure)
  • Poor communication between the antenna and the immobilizer key because of interference from metal such as key chains/key rings/other keys.
  • Poor connection between the antenna and the immobilizer key because of low battery voltage.
  • Immobilizer-keyless control unit failure
B-1 Possible The PCM is not registered
  • The PCM was not registered. Try to register the PCM using the HDS.
  • Poor communication between the PCM and the immobilizer-keyless control unit because of low battery voltage.
  • Poor communication between the immobilizer-keyless control unit and the PCM because of electrical interference.
B-2 Possible Error of communication format in PCM
  • The PCM was not registered. Try to register the PCM using the HDS.
  • Poor communication between the PCM and the immobilizer-keyless control unit because of low battery voltage.
  • Poor communication between the immobilizer-keyless control unit and the PCM because of electrical interference.
C-1 Possible MICU/IMOES unit is not registered
  • The MICU/IMOES unit was not registered correctly. Try to resister the MICU/IMOES unit using the HDS.
C-2 Possible Error of communication format between MICU/IMOES unit and immobilizer-key-less control unit
  • The MICU/IMOES unit was not registered correctly. Try to resister the MICU/IMOES unit using the HDS.
  • Poor communication between the imoes unit and the immobilizer-keyless control unit because of low battery voltage.
  • Poor communication between the immobilizer-keyless control unit and PCM by influence of some noise.
D-1 Possible S-NET line short
  • Harness short from the PCM to the immobilizer-keyless control unit. (IMOCD (S-NET) line short)
  • Poor communication between the PCM and the immobilizer-keyless control unit because of low battery voltage.
  • Poor communication between the immobilizer-keyless unit and the PCM because of electrical interference.
  • Immobilizer-keyless control unit failure
  • PCM failure
D-2 Possible No communication between MICU/IMOES unit and immobilizer-keyless control unit
  • Blown fuse
  • Harness open from the MICU/IMOES unit to the immobilizer-keyless control unit. (IMOCD (S-NET) line open)
  • Poor communication between the imoes unit and the immobilizer-keyless control unit because of low battery voltage.
  • Poor communication between the imoes unit and the immobilizer-keyless control unit because of electrical interference.
  • Immobilizer-keyless control unit failure
  • MICU/IMOES unit failure
D-3 Possible No communication between PCM and immobilizer-keyless control unit
  • Blown fuse
  • Harness open from the PCM to the immobilizer-keyless control unit.
  • Poor communication between the PCM and the immobilizer-keyless control unit because of low battery voltage.
  • Poor communication between the immobilizer-keyless control unit and the PCM because of electrical interference.
  • Immobilizer-keyless control unit failure
  • PCM failure
E-1 - Initial registration of immobilizer unit is not completed The immobilizer-keyless control unit is not registered. Try to register the immobilizer-keyless control unit using the HDS.
E-2
E-3
E-4
E-5
F-1 - Special Mode Turn the ignition switch to ON (II) and to LOCK (0) with the registered key.
F-2
F-3
F-4
F-5
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