Last Modified: 07-31-2024 |
6.11:8.1.0 |
Doc ID: RM10000000282BU |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [11/2022 -
] |
Title: HORN: HORN SYSTEM: PROBLEM SYMPTOMS TABLE; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 - ] |
PROBLEM SYMPTOMS TABLE
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
for HV Model: Click here
for Gasoline Model: Click here
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Horn System
Symptom
|
Suspected Area
|
Link
|
Horn does not sound
|
HORN fuse
|
-
|
HORN relay
|
|
Horn button assembly (except G16E-GTS)
|
|
Horn button assembly (for G16E-GTS)
|
|
Spiral cable sub-assembly
|
|
Power distribution box assembly
|
|
Harness or connector
|
-
|
Horn sounds all the time
|
HORN relay
|
|
Horn button assembly (except G16E-GTS)
|
|
Horn button assembly (for G16E-GTS)
|
|
Spiral cable sub-assembly
|
|
Power distribution box assembly
|
|
Main body ECU (Multiplex network body ECU)
|
|
Harness or connector
|
-
|
|