| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000002BDY0 |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [03/2023 - ] |
| Title: LIGHTING (INT): LIGHTING SYSTEM: PROBLEM SYMPTOMS TABLE; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2023 - ] | ||
PROBLEM SYMPTOMS TABLE
NOTICE:
Before replacing the main body ECU (multiplex network body ECU) or certification ECU (smart key ECU assembly), refer to Registration.*
for Gasoline Model: Click here
![2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 - ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)
for HV Model: Click here
- *: w/ Smart Key System
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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Map Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Map light LH or map light RH does not illuminate (Other interior lights are normal) |
Map light assembly |
|
|
Harness or connector |
- |
|
|
Map light LH and map light RH do not illuminate (Other interior lights are normal) |
Interior light circuit |
|
|
Harness or connector |
- |
Rear Room Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
No. 1 room light assembly does not illuminate (Other interior lights are normal) |
Interior light circuit |
|
|
Harness or connector |
- |
Vanity Light*
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Vanity light assembly LH does not illuminate (Other interior lights are normal) |
Visor assembly LH |
|
|
Harness or connector |
- |
|
|
Vanity light assembly RH does not illuminate (Other interior lights are normal) |
Visor assembly RH |
|
|
Harness or connector |
- |
- *: w/ Vanity Light
Luggage Compartment Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Luggage compartment light does not illuminate (Other interior lights are normal) |
Bulb*3 |
|
|
No. 1 luggage compartment light assembly*1 |
|
|
|
No. 1 luggage compartment light assembly*2 |
|
|
|
Back door courtesy switch circuit*1 |
|
|
|
Luggage compartment door courtesy switch circuit*2 |
|
|
|
Harness or connector |
- |
|
|
Main body ECU (Multiplex network body ECU) |
|
- *1: for Hatchback
- *2: for Sedan
- *3: for Bulb Type
Interior Light Power Source Control
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
All the interior lights that receive power via the DOME CUT relay do not illuminate (Other interior lights are normal) |
Interior light auto cut circuit |
|
Illuminated Entry System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
All illuminated entry system control functions do not operate under any condition |
Interior light auto cut circuit |
|
|
Main body ECU (Multiplex network body ECU) |
|
|
|
Actuation area-linked control function does not operate when registered key is brought into any exterior detection area*1 |
CAN communication system*4 |
|
|
CAN communication system*5 |
|
|
|
Smart key system (for Entry Function) |
|
|
|
Main body ECU (Multiplex network body ECU) |
|
|
|
Door lock/unlock-linked control function does not operate when doors are locked/unlocked |
Check customize settings (I/L ON W/Door Key Unlock) |
|
|
Door unlock detection switch circuit |
|
|
|
Main body ECU (Multiplex network body ECU) |
|
|
|
Door open/close-linked control function does not operate when doors are opened/closed |
Front door courtesy switch circuit |
|
|
Rear door courtesy switch circuit |
|
|
|
Back door courtesy switch circuit |
|
|
|
Main body ECU (Multiplex network body ECU) |
|
|
|
Push start switch-linked control function does not operate when engine switch is operated*1 |
Check customize settings (I/L when ACC OFF) |
|
|
IG signal circuit |
|
|
|
Main body ECU (Multiplex network body ECU) |
|
|
|
Push start switch illumination does not illuminate*1 |
CAN communication system*4 |
|
|
CAN communication system*5 |
|
|
|
Engine switch illumination circuit |
|
|
|
Ignition switch-linked control function does not operate when ignition switch is operated*2 |
Check customize settings (I/L when ACC OFF) |
|
|
IG signal circuit |
|
|
|
Main body ECU (Multiplex network body ECU) |
|
|
|
Shift position-linked control does not operate when shift lever is operated*3 |
Check customize settings (Light Control) |
|
|
CAN communication system*4 |
|
|
|
CAN communication system*5 |
|
|
|
Continuously variable transaxle system (K120) |
|
|
|
Continuously variable transaxle system (K121) |
|
|
|
Main body ECU (Multiplex network body ECU) |
|
- *1: w/ Smart Key System
- *2: w/o Smart Key System
- *3: for CVT
- *4: for Gasoline Model
- *4: for HV Model
Battery Saving Control System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Battery saving function does not operate |
Check illuminated entry system |
|
|
Main body ECU (Multiplex network body ECU) |
|
|
|