Last Modified: 01-30-2024 |
6.11:8.1.0 |
Doc ID: RM100000001EPCC |
Model Year Start: 2019 |
Model: RAV4 |
Prod Date Range: [11/2018 - 12/2021] |
Title: LIGHTING (EXT): LIGHTING SYSTEM (w/o Headlight ECU): Hazard Warning Switch Circuit; 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021] |
Hazard Warning Switch Circuit
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DESCRIPTION
The combination meter assembly receives the hazard warning signal switch assembly ON signal and controls the operation of the hazard warning lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
PROCEDURE
1.
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READ VALUE USING TECHSTREAM
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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) Read the Data List according to the display on the Techstream.
Body Electrical > Combination Meter > Data List
Tester Display
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Measurement Item
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Range
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Normal Condition
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Diagnostic Note
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Hazard Flasher Switch
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Hazard warning signal switch signal
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OFF or ON
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OFF: Hazard warning signal switch off
ON: Hazard warning signal switch on
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-
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Body Electrical > Combination Meter > Data List
Tester Display
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Hazard Flasher Switch
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OK:
Normal conditions listed above are displayed.
NG
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2.
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INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY
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(a) Remove the hazard warning signal switch assembly.
Click here
(b) Inspect the hazard warning signal switch assembly.
Click here
OK
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3.
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CHECK HARNESS AND CONNECTOR (HAZARD WARNING SIGNAL SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY AND BODY GROUND)
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(a) Disconnect the H2 hazard warning signal switch assembly connector.
(b) Disconnect the G19 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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H2-5 (TB) - G19-17 (HAZ)
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Always
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Below 1 Ω
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H2-5 (TB) or G19-17 (HAZ) - Body ground
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Always
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10 kΩ or higher
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H2-2 (E) - Body ground
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Always
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Below 1 Ω
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NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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