Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM100000000VKI7 |
Model Year Start: 2016 |
Model: Sienna |
Prod Date Range: [12/2015 -
] |
Title: LIGHTING (EXT): LIGHTING SYSTEM: Turn Signal Switch Circuit; 2016 - 2020 MY Sienna [12/2015 - ] |
Turn Signal Switch Circuit
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DESCRIPTION
The combination meter assembly receives the headlight dimmer switch assembly (turn signal switch) information and controls the turn signal lights.
WIRING DIAGRAM
PROCEDURE
1.
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READ VALUE USING TECHSTREAM (TURN SIGNAL SWITCH (RIGHT) AND TURN SIGNAL SWITCH (LEFT))
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(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 / Combination Meter / Data List.
(e) According to the display on the Techstream, read the Data List.
Combination Meter
Tester Display
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Measurement Item/Range
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Normal Condition
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Diagnostic Note
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Turn Signal Switch (Right)
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Turn signal switch (Right) signal/ON or OFF
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ON: Turn signal switch (Right) on
OFF: Turn signal switch (Right) off
|
-
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Turn Signal Switch (Left)
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Turn signal switch (Left) signal/ON or OFF
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ON: Turn signal switch (Left) on
OFF: Turn signal switch (Left) off
|
-
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OK:
Normal conditions listed above are displayed.
NG
|
|
|
2.
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INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (TURN SIGNAL SWITCH)
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(a) Remove the headlight dimmer switch assembly (See page
).
(b) Inspect the headlight dimmer switch assembly (See page
).
OK
|
|
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3.
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CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCHASSEMBLY - COMBINATION METER ASSEMBLY AND BODY GROUND)
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(a) Disconnect the D147 headlight dimmer switch assembly connector.
(b) Disconnect the D146 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
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Condition
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Specified Condition
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D147-13 (TR) - D146-9 (ER)
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Always
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Below 1 Ω
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D147-15 (TL) - D146-10 (EL)
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Always
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Below 1 Ω
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D147-12 (ED) - Body ground
|
Always
|
Below 1 Ω
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D147-13 (TR) or D146-9 (ER) - Body ground
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Always
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10 kΩ or higher
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D147-15 (TL) or D146-10 (EL) - Body ground
|
Always
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10 kΩ or higher
|
NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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