Toyota Corolla Cross: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
- 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.
- When replacing the radio and display receiver assembly, always replace
it with a new one. If a radio and display receiver assembly which was installed
to another vehicle is used, the following may occur:
- A communication malfunction DTC may be stored.
- The radio and display receiver assembly may not operate normally.
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.
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
System does not operate at all |
Intuitive parking assist system |
|
|
CAN communication system*1 |
|
|
|
CAN communication system*2 |
|
|
|
Audio and Visual System |
|
|
|
Clearance warning ECU assembly |
|
|
|
Blind spot monitor system*3 |
|
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- *1: for HEV Model
- *2: for Gasoline Model
- *3: w/ Blind Spot Monitor System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Detection function operates when the operating conditions are not met |
Hybrid control system*1 |
- |
|
SFI system*2 |
- |
|
|
Brake actuator assembly (No. 2 skid control ECU)*1 |
|
|
|
Brake actuator assembly (skid control ECU)*2 |
|
|
|
Blind spot monitor system*3 |
|
|
|
Clearance warning ECU assembly |
|
|
|
Detection function operates when vehicle is not within the required speed range (speedometer not malfunctioning) |
CAN communication system*1 |
|
|
CAN communication system*2 |
|
|
|
Clearance warning ECU assembly |
|
- *1: for HEV Model
- *2: for Gasoline Model
- *3: w/ Blind Spot Monitor System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Parking support brake system is normal but buzzer operation is intermittent |
Check that the temporary mute or auto mute function is not operating |
- |
|
CAN communication system*1 |
|
|
|
CAN communication system*2 |
|
|
|
Audio and Visual System |
|
|
|
Meter/gauge system |
|
|
|
Clearance warning ECU assembly |
|
|
|
Combination meter assembly |
|
|
|
Blind spot monitor system*3 |
|
- *1: for HEV Model
- *2: for Gasoline Model
- *3: w/ Blind Spot Monitor System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
While the parking support brake system is operating, no parking support brake notifications are displayed on the multi-information display. |
CAN communication system*1 |
|
|
CAN communication system*2 |
|
|
|
Clearance warning ECU assembly |
|
|
|
Combination meter assembly |
|
|
|
While the parking support brake system is operating, no parking support brake notifications are displayed on the radio and display receiver assembly. |
CAN communication system*1 |
|
|
CAN communication system*2 |
|
|
|
Audio and Visual System |
|
|
|
Clearance warning ECU assembly |
|
|
|
Radio and display receiver assembly |
|
|
|
"[Parking Support Brake System icon] System Malfunction Visit Your Dealer" is displayed |
CAN communication system*1 |
|
|
CAN communication system*2 |
|
|
|
Combination meter assembly |
|
|
|
Clearance warning ECU assembly |
|
|
|
Blind spot monitor system*3 |
|
|
|
"[Parking Support Brake System icon] System Stopped See Owner's Manual" is displayed |
CAN communication system*1 |
|
|
CAN communication system*2 |
|
|
|
Intuitive parking assist system |
|
|
|
Combination meter assembly |
|
|
|
Clearance warning ECU assembly |
|
|
|
Blind spot monitor system*3 |
|
|
|
"[Parking Support Brake System icon] Parking Assist Unavailable Sensor Blocked" is displayed |
Check that no foreign matter is attached to the ultrasonic sensors. |
- |
|
CAN communication system*1 |
|
|
|
CAN communication system*2 |
|
|
|
Intuitive parking assist system |
|
|
|
Combination meter assembly |
|
|
|
Clearance warning ECU assembly |
|
|
|
Parking support brake system does not operate when there is a possibility of a collision (Warning message "[Parking Support Brake System icon] System Malfunction Visit Your Dealer" not displayed) |
Check the installation of the ultrasonic sensors (front) |
|
|
Check the installation of the ultrasonic sensors (rear) |
|
|
|
Adjust the installation of the ultrasonic sensors as necessary. |
|
|
|
Ultrasonic sensors (front) |
|
|
|
Ultrasonic sensors (rear) |
|
|
|
Clearance warning ECU assembly |
|
|
|
Parking support brake system control operates when there is no possibility of a collision |
Check the installation of the ultrasonic sensors (front) |
|
|
Check the installation of the ultrasonic sensors (rear) |
|
|
|
Adjust the installation of the ultrasonic sensors as necessary. |
|
|
|
Ultrasonic sensors (front) |
|
|
|
Ultrasonic sensors (rear) |
|
|
|
Clearance warning ECU assembly |
|
|
|
Parking support brake system control cannot be turned off (PKSB OFF indicator does not illuminate) |
Combination meter assembly (LED): Perform Active Test (Indicat. Driving assist information indicator) |
|
|
Radio and display receiver assembly |
|
|
|
Clearance warning ECU assembly |
|
|
|
Driving assist information indicator illuminates |
Check that no foreign matter is attached to the ultrasonic sensors. |
- |
- *1: for HEV Model
- *2: for Gasoline Model
- *3: w/ Blind Spot Monitor System
READ NEXT:
Terminals Of Ecu
TERMINALS OF ECU
CLEARANCE WARNING ECU ASSEMBLY
(a) Disconnect the I24 clearance warning ECU assembly connector.
(b) Measure the voltage and resistance on the wire harness side
connector accord
Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Parking support brake system data and Diagnostic Trouble Codes
(DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the
system seems to
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 Unavailabl
SEE MORE:
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE:
In the following table, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
HINT: Using the GTS to read the Data List allows the values or states o
Battery
Check the battery as follows.
■ Battery exterior
Make sure that the battery terminals
are not corroded and that
there are no loose connections,
cracks, or loose clamps.
Terminals
Hold-down clamp
■Before recharging
When recharging, the battery produces
hydrogen gas which is flammable
and exp
