DTC B1026:4A [Advanced Keyless Entry And Push Button Start System]

DESCRIPTION	Improper installation of steering lock unit
DETECTION CONDITION	Keyless control module detects voltage of steering lock unit GND terminal (terminal 1D) as less than 3.2 V  for 0.2 s or more
POSSIBLE CAUSE	Keyless control module connector or terminals malfunction Parts are assembled which have no keyless control module configuration setting in terminal 1D Keyless control module malfunction

DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	INSPECT KEYLESS CONTROL MODULE CONNECTOR AND TERMINALS  Disconnect the keyless control module connector. Inspect the connector and terminals (corrosion, damage, pin disconnection). Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 4.
		No	Go to the next step.
2	PARTS ARE ASSEMBLED WHICH HAVE NO KEYLESS CONTROL MODULE CONFIGURATION SETTING  Verify that parts are not assembled to the keyless control module terminal 1D. Are parts assembled?	Yes	Remove the parts and go to the next step.
		No	Go to the next step.
3	VERIFY TROUBLESHOOTING COMPLETED  Make sure to reconnect the disconnected connectors. Reconnect the negative battery cable. Operate the advanced key to activate the keyless control module. Clear the DTC from the keyless control module using the M-MDS. (See CLEARING DTC [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] ). Switch the ignition to off using the advanced key, then open the door to lock the steering. Perform the advanced keyless entry and push button start system DTC inspection using the M-MDS. (See DTC INSPECTION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] ). Is the same DTC present?	Yes	Replace the keyless control module, then go to the next step. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION ).
		No	Go to the next step.
4	VERIFY THAT NO OTHER DTCs ARE PRESENT  Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] ).
		No	DTC troubleshooting completed.