Keyless Access System Check (2014 2015)

1. Connect the HDS to the data link connector (DLC) - Refer to: How to Troubleshoot the Body Electrical (2014 2015)

2. Turn the vehicle to the ON mode.

3. On the HDS screen, at SYSTEM SELECTION MENU, enter ONE-PUSH START, then select KEYLESS ACCESS CONTROL UNIT or BACKUP CONTROL UNIT.

NOTE: If the HDS does not communicate, check the keyless access/TPMS control unit power, ground, K-line, and L-line connectors.

4. At KEYLESS ACCESS CONTROL UNIT, enter KEYLESS ACCESS SYSTEM INFORMATION, then select SYSTEM CHECK 1 or SYSTEM CHECK 2.

5. At BACKUP CONTROL UNIT, enter SYSTEM INFORMATION, then select SYSTEM CHECK.

6. 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 1 (Keyless Access/TPMS Control Unit)

System Check No.	Possible cause	Check items
A-1A-2A-3G-4	Keyless remote is mismatched 2-way transceiver failure LF interior antenna failure Keyless remote is not registered	Keyless remote test 2-way transceiver test LF interior antenna test Register the keyless remote
B-1B-2G-1	PCM is replaced No communication between Keyless Access/TPMS Control Unit and PCM Open in the IG1 line Keyless Access/TPMS Control Unit is replaced	Register the PCM Check PCM Check harness Register the Keyless Access/TPMS Control Unit
C-1C-2G-2G-3	MICU (Imoes unit) is replaced Communication error between Keyless Access/TPMS Control Unit and MICU Open in the IG1 SAFETY line Keyless Access/TPMS Control Unit is replaced	Register the Keyless Access/TPMS Control Unit Check MICU Check harness
C-3C-4	Electric Steering Lock is replaced Keyless Access/TPMS Control Unit is replaced	Register the Keyless Access/TPMS Control Unit Register the Electric Steering Lock Check for an open or short in the wire IGN TRX lines
G-5	Electric Steering Lock is replaced Keyless Access/TPMS Control Unit is replaced	Register the Keyless Access/TPMS Control Unit Register the Electric Steering Lock Check for an open or short in the wire IGN TRX lines

System Check 2 (Keyless Access/TPMS Control Unit)

System Check No.	Possible cause	Check items
D-1D-2D-3	S-NET line is short No communication between Keyless Access/TPMS Control Unit and MICU (Imoes unit) No communication between Keyless Access/TPMS Control Unit and PCM	Check harness Check MICU Check PCM
D-4D-5	IGN TRX line trouble	Check IGN TRX line

System Check (Backup Control Unit)

System Check No.	Possible cause	Check items
A-1A-2A-3	Keyless remote is mismatched Engine Start/Stop Switch failure Keyless remote is not registered	Register the keyless remote Check Engine Start/Stop Switch
B-1B-2	PCM is replaced Communication error between Keyless Access/TPMS Control Unit and PCM	Register the PCM Check PCM
C-1C-2	MICU is replaced Communication error between Keyless Access/TPMS Control Unit and MICU (Imoes unit) Open in the IG1 line	Register the Keyless Access/TPMS Control Unit Check MICU Check harness
D-1D-2D-3	S-NET line is short No communication between Keyless Access/TPMS Control Unit and MICU (Imoes unit) No communication between Keyless Access/TPMS Control Unit and PCM	Check harness Check MICU Check PCM
E-1E-2E-3E-4E-5	Keyless Access/TPMS Control Unit is not registered	Register the Keyless Access/TPMS Control Unit
F-1F-2F-3F-4F-5	Special Mode	Turn the vehicle to the ON mode and then select the OFF (LOCK) mode with a registered keyless remote