Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM1000000010Z57 |
Model Year Start: 2017 |
Model: Sienna |
Prod Date Range: [08/2016 -
] |
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: TC and CG Terminal Circuit; 2017 - 2020 MY Sienna [08/2016 - ] |
TC and CG Terminal Circuit
|
DESCRIPTION
DTC output mode is set by connecting terminals TC and CG of the DLC3.
The DTCs are displayed by blinking the SRS warning light.
WIRING DIAGRAM
PROCEDURE
1.
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CHECK HARNESS AND CONNECTOR (DLC3 - ECM)
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*a
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Front view of DLC3
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*b
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Front view of wire harness connector
(to ECM)
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(a) Turn the ignition switch off.
(b) Disconnect the connector from the ECM.
(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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D16-13 (TC) -
A69-33 (TC)
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Always
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Below 1 Ω
|
NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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OK
|
|
|
2.
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CHECK HARNESS AND CONNECTOR (CG OF DLC3 - BODY GROUND)
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(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
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Specified Condition
|
D16-4 (CG) -
Body ground
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Always
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Below 1 Ω
|
Text in Illustration
|
|
NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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OK
|
|
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3.
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CHECK HARNESS AND CONNECTOR (TC OF ECM)
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(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
A69-33 (TC) -
Body ground
|
Always
|
1 MΩ or higher
|
|
|
*a
|
Front view of wire harness connector
(to ECM)
|
|
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
(a) Replace the ECM (See page
).
(b) Check for DTCs of the ECM.
Result
Result
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Proceed to
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Normal system code is output.
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A
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DTC is output.
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B
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DTC output mode is set (center airbag sensor assembly).
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C
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A |
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END
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