Immobilizer indicator blinks
- Turn the ignition switch to LOCK (0).
- Connect the HDS, then turn the ignition switch to ON (II).
- From the SYSTEM SELECTION MENU, enter IMMOBI, select IMMOBILIZER SETUP, then select System Check, Number of Keys, and Status Log.
- Select SYSTEM CHECK.
Is SYSTEM CHECK indicated?
YES -Troubleshoot the immobilizer system according to the result of the SYSTEM CHECK (see SYSTEM CHECK ).
NO -Go to step 5.
- Turn the ignition switch to LOCK (0).
- Enter the vehicle, and remove the ignition key from the ignition switch, then close all doors.
- Operate the keyless transmitter LOCK and UNLOCK several times in the vehicle.
Do the door lock actuators work normally?
YES -Go to step 8.
NO -Check for a poor ground (G101) and/or an open in the wire between immobilizer-keyless control unit up connector terminal No. 1 and body ground (G101).
- Turn the ignition switch to ON (II).
- Back-probe and measure the voltage between immobilizer-keyless control unit up connector terminal No. 6 and body ground.Fig 1: Measuring Voltage Between Immobilizer-Keyless Control Unit up Connector Terminal No. 6 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Go to step 10.
NO -Check for a blown No. B20 (15 A) fuse in the under-dash fuse/relay box. If the fuse is OK, repair an open in the BRN wire between the under-dash fuse/relay box and the immobilizer-keyless control unit.
- Back-probe and measure the voltage between immobilizer-keyless control unit up connector terminal No. 1 and body ground.Fig 2: Measuring Voltage Between Immobilizer-Keyless Control Unit up Connector Terminal No. 1 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there less than 0.2 V?
YES -Replace the immobilizer-keyless control unit (see PROGRAMMING IMMOBILIZER-KEYLESS CONTROL UNIT ).
NO -Repair a poor connection or an open or high resistance between immobilizer-keyless control unit up connector terminal No. 1 and body ground (G101).