Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001C9SQ |
Model Year Start: 2019 |
Model: GR Corolla |
Prod Date Range: [06/2018 - 09/2022] |
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for Gasoline Model): Entire Combination Meter does not Operate; 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022] |
Entire Combination Meter does not Operate
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DESCRIPTION
This circuit is the power source circuit for the combination meter assembly. This circuit provides two types of power sources; one is a constant power source, and the other is an IG power source.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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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.
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Inspect the fuses of circuits related to this system before performing the following procedure.
PROCEDURE
1.
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CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
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(a) Disconnect the I4 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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I4-19 (EP) - Body ground
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Always
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Below 1 Ω
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I4-23 (ES) - Body ground
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Always
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Below 1 Ω
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(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
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Condition
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Specified Condition
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I4-38 (IG+) - Body ground
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Engine switch off
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Below 1 V
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Engine switch on (IG)
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11 to 14 V
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I4-22 (B) - Body ground
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Always
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11 to 14 V
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NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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