Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM1000000019046 |
Model Year Start: 2018 |
Model: Sienna |
Prod Date Range: [11/2017 -
] |
Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: Clearance Warning Buzzer Circuit; 2018 - 2020 MY Sienna [11/2017 - ] |
Clearance Warning Buzzer Circuit
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DESCRIPTION
The No. 1 clearance warning buzzer sounds to alert the driver and the buzzed frequency changes depending on the distance to an obstacle.
WIRING DIAGRAM
PROCEDURE
1.
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PERFORM ACTIVE TEST USING TECHSTREAM (NO. 1 CLEARANCE WARNING BUZZER)
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(a) Select the Active Test, use the Techstream to generate a control command, and then check that the buzzer operates.
Intuitive P/A
Tester Display
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Test Part
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Control Range
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Diagnostic Note
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Buzzer
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Clearance warning buzzer
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Operate or Stop
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Confirm that the vehicle is stopped and the ignition switch is ON
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OK:
Clearance warning buzzer sounds.
NG
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2.
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CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - NO. 1 CLEARANCE WARNING BUZZER)
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(a) Disconnect the D200 clearance warning ECU connector.
(b) Disconnect the D17 No. 1 clearance warning buzzer 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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D200-14 (CBZ) - D17-1
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Always
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Below 1 Ω
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D200-13 (EF) - D17-2
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Always
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Below 1 Ω
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D200-14 (CBZ) or D17-1 - Body ground
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Always
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10 kΩ or higher
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D200-13 (EF) or D17-2 - Body ground
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Always
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10 kΩ or higher
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NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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