Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM100000000VJN9 |
Model Year Start: 2016 |
Model: Sienna |
Prod Date Range: [12/2015 -
] |
Title: LIGHTING (INT): LIGHTING SYSTEM: Door Unlock Detection Switch Circuit; 2016 - 2020 MY Sienna [12/2015 - ] |
Door Unlock Detection Switch Circuit
|
DESCRIPTION
The main body ECU detects the condition of the door unlock detection switch.
WIRING DIAGRAM
PROCEDURE
1.
|
READ VALUE USING TECHSTREAM
|
(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) According to the display on the Techstream, read the Data List.
Main Body
Tester Display
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Measurement Item/Range
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Normal Condition
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Diagnostic Note
|
FL Door Lock Pos
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Front door unlock detection switch LH signal/ON or OFF
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ON: Front door LH unlocked
OFF: Front door LH locked
|
-
|
FR Door Lock Pos
|
Front door unlock detection switch RH signal/ON or OFF
|
ON: Front door RH unlocked
OFF: Front door RH locked
|
-
|
RL-Door Lock Pos SW
|
Rear door unlock detection switch LH signal/ON or OFF
|
ON: Rear door LH unlocked
OFF: Rear door LH locked
|
-
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RR-Door Lock Pos SW
|
Rear door unlock detection switch RH signal/ON or OFF
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ON: Rear door RH unlocked
OFF: Rear door RH locked
|
-
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Result
Result
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Proceed to
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OK
|
A
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Front door unlock detection switch LH does not operate
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B
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Front door unlock detection switch RH does not operate
|
C
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Rear door unlock detection switch LH does not operate
|
D
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Rear door unlock detection switch RH does not operate
|
E
|
A |
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PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
(See page
)
|
B
|
|
|
2.
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INSPECT FRONT DOOR LOCK ASSEMBLY LH
|
(a) Remove the front door lock assembly LH (See page
).
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
7 (E) - 8 (LSSR)
|
Locked
|
10 kΩ or higher
|
Unlocked
|
Below 1 Ω
|
Text in Illustration
*a
|
Component without harness connected
(Front Door Lock Assembly LH)
|
*b
|
Unlock
|
*c
|
Lock
|
(c) Reinstall the front door lock assembly LH.
OK
|
|
|
3.
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CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY LH - MAIN BODY ECU AND BODY GROUND)
|
(a) Disconnect the H10 front door lock assembly LH connector.
(b) Disconnect the D13 main body ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
H10-8 (LSSR) - D13-7 (LSFL)
|
Always
|
Below 1 Ω
|
H10-8 (LSSR) - Body ground
|
Always
|
10 kΩ or higher
|
H10-7 (E) - Body ground
|
Always
|
Below 1 Ω
|
(d) Reconnect the main body ECU connector.
(e) Reconnect the front door lock assembly LH connector.
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
4.
|
INSPECT FRONT DOOR LOCK ASSEMBLY RH
|
(a) Remove the front door lock assembly RH (See page
).
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
7 (LSSR) - 8 (E)
|
Locked
|
10 kΩ or higher
|
Unlocked
|
Below 1 Ω
|
Text in Illustration
*a
|
Component without harness connected
(Front Door Lock Assembly RH)
|
*b
|
Unlock
|
*c
|
Lock
|
(c) Reinstall the front door lock assembly RH.
NG |
|
REPLACE FRONT DOOR LOCK ASSEMBLY RH
(See page
)
|
OK
|
|
|
5.
|
CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY RH - MAIN BODY ECU AND BODY GROUND)
|
(a) Disconnect the G10 front door lock assembly RH connector.
(b) Disconnect the D13 main body ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
G10-7 (LSSR) - D13-18 (LSFR)
|
Always
|
Below 1 Ω
|
G10-7 (LSSR) - Body ground
|
Always
|
10 kΩ or higher
|
G10-8 (E) - Body ground
|
Always
|
Below 1 Ω
|
(d) Disconnect the main body ECU connector.
(e) Disconnect the front door lock assembly RH connector.
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
6.
|
INSPECT SLIDE DOOR HANDLE ASSEMBLY LH
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
1 (LSSR) - 4 (E)
|
Locked
|
10 kΩ or higher
|
Unlocked
|
Below 1 Ω
|
Text in Illustration
*a
|
Component without harness connected
(Slide Door Handle Assembly LH)
|
*b
|
Lock
|
*c
|
Unlock
|
(c) Reinstall the slide door handle assembly LH.
OK
|
|
|
7.
|
CHECK HARNESS AND CONNECTOR (SLIDE DOOR HANDLE - INSTRUMENT PANEL JUNCTION BLOCK AND BODY GROUND)
|
(a) Disconnect the J5 slide door handle assembly LH connector.
(b) Disconnect the 2H instrument panel junction block assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
J5-1 (LSSR) - 2H-26
|
Always
|
Below 1 Ω
|
J5-1 (LSSR) - Body ground
|
Always
|
10 kΩ or higher
|
J5-4 (E) - Body ground
|
Always
|
Below 1 Ω
|
(d) Reconnect the instrument panel junction block assembly connector.
(e) Reconnect the slide door handle assembly LH connector.
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
8.
|
INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
|
(a) Remove the instrument panel junction block assembly.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
2H-33 - 2I-5 (LSWL)
|
Always
|
Below 1 Ω
|
2H-33 - Body ground
|
Always
|
10 kΩ or higher
|
Text in Illustration
*a
|
Component without harness connected
(Instrument Panel Junction Block Assembly)
|
(c) Reinstall the instrument panel junction block assembly.
NG |
|
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
|
9.
|
INSPECT SLIDE DOOR HANDLE ASSEMBLY RH
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Door Lock Condition
|
Specified Condition
|
1 (LSSR) - 4 (E)
|
Locked
|
10 kΩ or higher
|
Unlocked
|
Below 1 Ω
|
Text in Illustration
*a
|
Component without harness connected
(Slide Door Handle Assembly RH)
|
*b
|
Lock
|
*c
|
Unlock
|
(c) Reinstall the slide door handle assembly RH.
OK
|
|
|
10.
|
CHECK HARNESS AND CONNECTOR (SLIDE DOOR HANDLE - MAIN BODY ECU AND BODY GROUND)
|
(a) Disconnect the I5 slide door handle assembly RH connector.
(b) Disconnect the D14 main body ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection (Symbols)
|
Condition
|
Specified Condition
|
I5-1 (LSSR) - D14-2 (LSWR)
|
Always
|
Below 1 Ω
|
I5-1 (LSSR) - Body ground
|
Always
|
10 kΩ or higher
|
I5-4 (E) - Body ground
|
Always
|
Below 1 Ω
|
(d) Reconnect the main body ECU connector.
(e) Reconnect the slide door handle assembly RH connector.
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
|