Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001BNSG |
Model Year Start: 2019 |
Model: GR Corolla |
Prod Date Range: [06/2018 - 09/2022] |
Title: LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model without AFS): Hazard Warning Switch Circuit; 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022] |
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 engine switch on (IG).
(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 I5 combination meter assembly connector.
(b) 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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I38-6 (TB) - I5-17 (HAZ)
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Always
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Below 1 Ω
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I38-6 (TB) or I5-17 (HAZ) - Body ground
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Always
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10 kΩ or higher
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I38-3 (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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