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'00-09 model

If you suspect there is a immobilizer system problem, check the status log.

NOTE: Status log may not be available for all models.
  1. Connect the HDS to the data link connector.
  2. Turn the ignition switch ON (II).
  3. On the HDS screen, select Honda systems, select immobilizer set-up, select immobilizer information, then select status log.
  4. Check the Status log count. Troubleshoot the status with the highest count first. If no counts are listed, the immobilizer system is OK. Continue with normal symptom troubleshooting.
PROBLEM SYMPTOM CHART

Status Log No. Detected Item Probable Cause
A-1 KEY CODE MISMATCH (Code format normal, but code data is mismatch)
  1. The key was not registered
  2. Interference from metal such as key chains
  3. Low battery voltage
A-2 KEY CODE MISMATCH (Code format failure)
  1. Ignition switch was turned ON(II) with another type of immobilizer key or aftermarket key
  2. Interference from metal such as key chains
  3. Low battery voltage
A-3 KEY CODE MISMATCH (No key code or non-immobilizer key)
  1. Ignition switch was turned ON(II) with another type of immobilizer key or aftermarket key
  2. Interference from metal such as key chains
  3. Low battery voltage
  4. Key failure
  5. Immobilizer control unit-receiver failure
B-1 ECM/PCM CODE MISMATCH (Code format normal, but code data is mismatch)
  1. ECM was not registered correctly
  2. Low battery voltage
  3. Poor or loose terminal connections at the immobilizer control unit-receiver
  4. Communication line electrical noise
B-2 ECM/PCM MISMATCH (Code format failure)
  1. ECM was not registered correctly
  2. Low battery voltage
  3. Poor or loose terminal connections at the immobilizer control unit-receiver
  4. Communication line electrical noise
C-1 * IMOES UNIT mismatch (Code format normal, but data is mismatch)
  1. Imoes unit was not registered
  2. The communication was not good between imoes unit and immobilizer control unit-receiver by battery voltage low
  3. The communication was not good between imoes unit and immobilizer control unit-receiver by influence of some noise
C-2 * IMOES UNIT mismatch (Code format failure)
  1. Imoes unit was not registered
  2. The communication was not good between imoes unit and immobilizer control unit-receiver by battery voltage low
  3. The communication was not good between imoes unit and immobilizer control unit-receiver by influence of some noise
D-1 SECURITY-NET LINE PROBLEM (Short to ground)
  1. Low battery voltage
  2. Poor or loose terminal connections at the immobilizer control unit-receiver and the ECM
  3. Communication line electrical noise
D-2 SECURITY-NET LINE PROBLEM (No communication)
  1. Blown fuse
  2. Harness open from imoes unit to immobilizer control unit-receiver
  3. The communication was not good between imoes unit and immobilizer control unit-receiver by battery voltage low
  4. The communication was not good between imoes unit and immobilizer control unit-receiver by influence of some noise
  5. Imoes unit failure
  6. Immobilizer control unit-receiver failure
D-3 SECURITY-NET LINE PROBLEM (Open line or ECM failure)
  1. Open or short in the harness from the ECM to the immobilizer control unit-receiver
  2. Low battery voltage
  3. Poor or loose terminal connections at the immobilizer control unit-receiver and the ECM
  4. Communication line electrical noise
*:'08-09 models
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