Toyota Corolla Cross: Problem Symptoms Table
Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Interior / Seat / Rear Seat Reminder System / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
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.
Rear Seat Reminder System|
Symptom | Suspected Area |
Link |
|---|---|---|
|
Rear seat reminder function does not operate |
CAN communication system (for HEV Model) |
|
|
CAN communication system (for Gasoline Model) |
| |
|
IG signal circuit |
| |
|
Rear door courtesy switch circuit |
| |
|
Main body ECU (Multiplex network body ECU) |
| |
|
Power distribution box assembly |
| |
|
Hybrid vehicle control ECU*1 |
| |
|
ECM*2 |
| |
|
Combination meter assembly |
|
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- *1: for HEV Model
- *2: for Gasoline Model
READ NEXT:
Seat Heater Switch
RemovalREMOVAL CAUTION / NOTICE / HINT
Procedure Part Name Code
1 SWITCH BASE
55449D -
- -
2 REMOVE SEAT HEATER SWITCH
84751F
Parts Location
PARTS LOCATION ILLUSTRATION
*1 SEAT HEATER SWITCH (for LH)
*2 SEAT HEATER SWITCH (for RH)
*3 POWER DISTRIBUTION BOX ASSEMBLY
- PANEL FUSE - S/HTR F/L FUSE - S/HTR F/R
SEE MORE:
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE WIRELESS DOOR LOCK CONTROL SYSTEM
NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make a note of the current settings before customizing.
When troubleshooting a function, first ma
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 ENGINE COOLANT TEMPERATURE SENSOR
89422A
- -
2 AUXILIARY BATTERY CLAMP SUB-ASSEMBLY
74404A -
- -
3 AUXILIARY BAT
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