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:
Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) If a malfunction is detected in the parking support brake system,
the warning message "PKSB Malfunction Visit Your Dealer" or "PKSB Unavailable" is
displayed on the multi-information display, the PKSB OFF indicator light blinks
and t
Registration
REGISTRATION CAUTION / NOTICE / HINT PROCEDURE
1. VIN (VEHICLE IDENTIFICATION NUMBER) NOTICE: The Vehicle Identification Number (VIN) must be written to a replacement ECM.
HINT: The VIN is a 17-digit alphanumeric vehicle identification number. The GTS is required to register the VIN.
(a) DESCR
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