| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJGJ |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder; 2016 - 2020 MY Sienna [12/2015 - ] | ||
|
All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder |
DESCRIPTION
The main body ECU receives switch signals from the multiplex network master switch, and driver side door key cylinder switch signals from the front door lock assembly LH. The main body ECU activates the door lock motor on each door according to these signals.
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK DOOR LOCK OPERATION |
(a) Check door lock operation (See page
![2016 - 2020 MY Sienna [12/2015 - ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: OPERATION CHECK](/t3Portal/stylegraphics/info.gif)
).
Result
|
Result |
Proceed to |
|---|---|
|
All doors cannot be locked through multiplex network master switch |
A |
|
All doors cannot be locked through driver side door key cylinder |
B |
| B |
|
|
|
2. |
CHECK DTC OUTPUT (LIN COMMUNICATION SYSTEM) |
(a) Clear the DTC (See page
).
(b) Check for DTCs (See page
).
OK:
DTC B1206 is not output.
| NG |
|
|
|
3. |
REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY |
(a) Replace the multiplex network master switch assembly (See page
).
|
|
4. |
CHECK DOOR LOCK OPERATION |
(a) Check that all doors can be locked and unlocked by using the multiplex network master switch (See page
).
OK:
All doors can be locked and unlocked with the multiplex network master switch.
| OK |
|
END (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WAS DEFECTIVE) |
| NG |
|
|
5. |
READ VALUE USING TECHSTREAM (DOOR KEY LINKED LOCK AND UNLOCK SWITCH) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Data List.
(e) Read the Data List according to the display on the Techstream.
Main Body
|
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
Door Key SW-Lock |
Driver side door key-linked lock/unlock switch lock signal/ON or OFF |
ON: Driver side door key cylinder turned to lock position OFF: Driver side door key cylinder not turned to lock position |
- |
|
D Door Key SW-UL |
Driver side door key-linked lock/unlock switch unlock signal/ON or OFF |
ON: Driver side door key cylinder turned to unlock position OFF: Driver side door key cylinder not turned to unlock position |
- |
OK:
The Techstream indicates ON or OFF according to the key cylinder operation shown in the table.
| OK |
|
|
|
6. |
INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR KEY LINKED LOCK AND UNLOCK SWITCH) |
|
(a) Remove the front door assembly LH (See page
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
9 (L) - 7 (E) |
Locked |
Below 1 Ω |
|
9 (L) - 7 (E) |
off |
10 kΩ or higher |
|
10 (UL) - 7 (E) |
Unlocked |
Below 1 Ω |
|
10 (UL) - 7 (E) |
off |
10 kΩ or higher |
Text in Illustration
|
*a |
Component without harness connected (Front Door Lock Assembly LH) |
|
*b |
Lock |
|
*c |
Unlock |
| NG |
|
REPLACE FRONT DOOR LOCK ASSEMBLY LH (See page
|
|
|
7. |
CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY LH - MAIN BODY ECU) |
(a) Disconnect the D13 main body ECU connector.
(b) Disconnect the H10 front door lock assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
H10-9 (L) - D13-11 (L2) |
Always |
Below 1 Ω |
|
H10-10 (UL) - D13-24 (UL3) |
Always |
Below 1 Ω |
|
H10-7 (E) - Body ground |
Always |
Below 1 Ω |
|
D13-11 (L2) - Body ground |
Always |
10 kΩ or higher |
|
D13-24 (UL3) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|