Front Passenger Side Door Entry Lock Function does not Operate: Procedure

1. When the door control switch on the master switch assembly is operated, check that the doors unlock and lock according to switch operation. Refer to OPERATION CHECK .

   OK

   Door locks operate normally.

NG → See step   8 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. Read the Data List according to the display on the Techstream.
   MAIN BODY (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   FR Door Lock Pos	Front passenger side door lock position switch signal/LOCK or UNLOCK	LOCK: Front passenger side door locked UNLOCK: Front passenger side door unlocked	-

   OK

   On the Techstream screen, the display changes between LOCK and UNLOCK as shown in the chart above.

NG → See step   9 

OK: Go to next step 

1. Enter the following menus: Body Electrical / Smart Key / Data List.
2. Read the Data List according to the display on the Techstream.
   SMART KEY (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   P-Door Trigger SW	Front passenger side door lock switch / ON or OFF	ON: Entry lock switch pressed OFF: Entry lock switch not pressed	-

   OK

   On the Techstream screen, the display changes between ON and OFF as shown in the table above.

NG → See step   4 

OK → See step   7 

1. Disconnect the certification ECU (smart key ECU assembly) connector.
2. Disconnect the front door outside handle assembly (for front passenger side) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   L62-19 (TSW2) - z4-1 (TRG+)	Always	Below 1 Ω
   L62-19 (TSW2) - Body ground	Always	10 kΩ or higher
   z4-1 (TRG+) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Reconnect the certification ECU (smart key ECU assembly) connector.
2. Reconnect the front door outside handle assembly (for front passenger side) connector.
   Fig 1: Inspecting Front Door Outside Handle Assembly (For Front Passenger Side) Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *a

   Component with harness connected (Certification ECU (Smart Key ECU Assembly))

   -

   -

3. Measure the voltage and check for pulses according to the value(s) in the table below.

   Standard

   Tester Connection	Condition	Specified Condition
   L62-19 (TSW2) - L62-15 (E)	Power switch off All doors closed Lock sensor (for front passenger side) not touched	Pulse generation
   L62-19 (TSW2) - L62-15 (E)	Power switch off All doors closed Lock sensor (for front passenger side) touched	Below 2 V

NG → See step   6 

OK → See step   7