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Immobilizer indicator blinks

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Honda Ridgeline, 2013 Honda Ridgeline, 2012 Honda Ridgeline, 2011 Honda Ridgeline, and 2010 Honda Ridgeline. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before troubleshooting, check the items listed in General Check before Troubleshooting (see General Check Before Troubleshooting ):
  1. Turn the ignition switch to LOCK (0).
  2. Connect the HDS, then turn the ignition switch to ON (II).
  3. Select IMMOBI from the SYSTEM SELECTION MENU, and select the IMMOBILIZER SETUP, then select SYSTEM CHECK, NUMBER OF KEYS AND STATUS LOG.
  4. Select SYSTEM CHECK.

    Is the SYSTEM CHECK indicated? 

    YES  -Troubleshoot the immobilizer system according to the result of the SYSTEM CHECK/Status Log (see SYSTEM CHECK ).■

    NO  -Go to step 5.

  5. Turn the ignition switch to LOCK (0).
  6. Remove the driver's dashboard lower cover (see DRIVER'S DASHBOARD LOWER COVER REMOVAL/INSTALLATION ) and steering column covers (see REMOVAL ).
  7. Turn the ignition switch to ON (II).
  8. Measure voltage between the immobilizer control unit-receiver 7P connector terminal No. 6 and body ground.
    Fig 1: Measuring Voltage Between Immobilizer Control Unit-Receiver 7P Connector Terminal No. 6 And Body Ground
    G05968930Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there battery voltage? 

    YES  -Go to step 9.

    NO  -Check the No. 19 (7.5 A) fuse in the under-dash fuse/relay box. If the fuse is OK, repair an open or high resistance in the BLK/GRN wire between the under-dash fuse/relay box and the immobilizer control unit-receiver.■

  9. Measure voltage between the immobilizer control unit-receiver 7P connector terminal No. 1 and body ground.
    Fig 2: Measuring Voltage Between Immobilizer Control Unit-Receiver 7P Connector Terminal No. 1 And Body Ground
    G05968931Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there 0.2 V or more? 

    YES  -Replace the immobilizer control unit-receiver.■

    NO  -Repair poor connection or open or high resistance between the immobilizer control unit-receiver 7P connector No. 1 terminal and PCM connector A (44P) terminal No. 41.■

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