DOOR LOCK  WIRELESS DOOR LOCK CONTROL SYSTEM(w/ Smart Entry and Start System)  DIAGNOSIS SYSTEM  


DESCRIPTION


The certification ECU (smart key ECU assembly) stores DTCs when malfunctions occur.

The diagnostic system allows for reading of the DTCs from the DLC3.

Use the GTS to check for malfunctions and perform repairs.


CHECK DLC3


a.

Check the DLC3.

Click hereGeneral>INTRODUCTION>HOW TO USE THIS MANUAL>GENERAL INFORMATION



INSPECT BATTERY VOLTAGE


a.

Measure the vehicle battery voltage.

Standard Voltage:

11 to 14 V


If the voltage is below 11 V, recharge or replace the battery.



SELF-DIAGNOSTIC MODE (USING GTS)


a.

Connect the GTS to the DLC3.


b.

Turn the engine switch on (IG).


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Entry&Start / Utility / Wireless Door Lock Diagnosis Mode.

Body Electrical > Entry&Start > Utility
Tester Display
Wireless Door Lock Diagnosis Mode
50005 125 2164

e.

Proceed to the next step in accordance with the prompts on the GTS screen.


f.
B220865E82
0.146,0.115 2.844,0.479 2.698,0.365 12 false Wireless Door Lock Buzzer Output: 0.646,1.396 1,1.604 0.354,0.208 10 false On 0.635,1.677 1.135,1.938 0.5,0.26 10 false Off 1.552,2.167 1.844,2.385 0.292,0.219 10 false T1 2.146,2.167 2.396,2.375 0.25,0.208 10 false T2 1.969,2.583 3.354,3.021 1.385,0.438 10 false T1: 0.25 seconds 1.969,2.896 3.146,3.24 1.177,0.344 10 false T2: 0.5 seconds 1.802,2.167 2.083,2.427 0.281,0.26 10 false T1

Check that the system has switched to self-diagnostic mode by checking the wireless door lock buzzer output pattern.


g.

Check the diagnostic outputs when an electrical key transmitter sub-assembly switch is pressed. The diagnostic outputs can be checked by the wireless door lock buzzer output pattern.

B357193E49
0.146,0.104 2.958,0.583 2.813,0.479 12 false Wireless Door Lock Buzzer Output: 0.177,1.021 2.469,1.219 2.292,0.198 10 false Normal Wave (A) 0.177,1.333 3.323,1.573 3.146,0.24 10 false (Lock/Unlock/Luggage door open/Panic switch): 0.427,2.208 0.885,2.406 0.458,0.198 10 false OFF 0.427,1.833 0.885,2.031 0.458,0.198 10 false ON 1.208,2.604 1.667,2.802 0.458,0.198 10 false T1 1.719,2.615 2.177,2.813 0.458,0.198 10 false T2 0.698,3.198 3.813,3.625 3.115,0.427 10 false T1: 0.125 seconds (Wireless Door Lock Buzzer) 0.698,3.583 3.792,3.958 3.094,0.375 10 false T2: 0.25 seconds (Wireless Door Lock Buzzer) 4.115,0.448 6.406,0.646 2.292,0.198 10 false Unmatching Recognition Code (B): 4.146,0.99 4.604,1.188 0.458,0.198 10 false ON 4.156,1.396 4.615,1.594 0.458,0.198 10 false OFF 4.917,1.844 6.51,2.094 1.594,0.25 10 false Wave is being received 4.177,2.708 5.771,2.958 1.594,0.25 10 false No Diagnostic Output (C): 4.167,3.208 4.625,3.406 0.458,0.198 10 false OFF

Result
Interior Light Output Suspected Area
A Normal (No malfunction)
B Register wireless code
C Wave interference or malfunction of a related component