All Doors LOCK/UNLOCK Functions do not Operate Via Door Key Cylinder [06/2018 - ]: Procedure
- READ VALUE USING TECHSTREAM (Door Key SW-Lock, D Door Key SW-UL)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Main Body / Data List.
- Read the Data List according to the display on the Techstream.
Body Electrical > Main Body > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note Door Key SW-Lock Driver door key-linked lock / unlock switch lock signal OFF or ON OFF: Driver door key cylinder not turned to lock position
ON: Driver door key cylinder turned to lock position- D Door Key SW-UL Driver door key-linked lock / unlock switch unlock signal OFF or ON OFF: Driver door key cylinder not turned to unlock position
ON: Driver door key cylinder turned to unlock position- Body Electrical > Main Body > Data List
Tester Display Door Key SW-Lock D Door Key SW-UL Result
Proceed to OK NG
Result:
OK
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to REMOVAL [06/2018 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ]
Result:
NG
See step 2
- INSPECT FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH
- Remove the front door lock with motor assembly LH.
Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ]
- Inspect the front door lock with motor assembly LH.
Refer to INSPECTION [06/2018 - ]
Result
Proceed to OK NG
Result:
NG
REPLACE FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH. Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ]
Result:
OK
See step 3
- Remove the front door lock with motor assembly LH.
- CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
- Disconnect the G38 main body ECU (multiplex network body ECU) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition J32-9 (L) - G38-18 (L2) Always Below 1 Ω J32-10 (UL) - G38-17 (UL3) Always Below 1 Ω J32-7 (E) - Body ground Always Below 1 Ω J32-9 (L) or G38-18 (L2) - Body ground Always 10 kΩ or higher J32-10 (UL) or G38-17 (UL3) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to REMOVAL [06/2018 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR