Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the rear seat reminder system.
- *: Use the GTS.
PROCEDURE
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1. | VEHICLE BROUGHT TO WORKSHOP |
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| 2. |
CUSTOMER PROBLEM ANALYSIS |
HINT:
- In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
- Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
- The following 5 items are important points for problem analysis:
What
Vehicle model, system name
When
Date, time, occurrence frequency
Where
Road conditions
Under what conditions?
Driving conditions, weather conditions
How did it happen?
Problem symptoms
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| 3. |
PRE-CHECK |
(a) Measure the auxiliary battery voltage with the ignition switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
|
| 4. |
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the GTS, check for CAN communication system DTCs.
- for HEV Model:
Click here
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- for Gasoline Model:
Click here
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Result | Proceed to |
|---|---|
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CAN DTCs are not output |
A |
| CAN DTCs are output |
B |
| B |
.gif) | GO TO CAN COMMUNICATION SYSTEM for HEV Model: Click here for Gasoline Model: Click here
|
|
| 5. |
CHECK COMMUNICATION FUNCTION OF CXPI COMMUNICATION SYSTEM* |
(a) Using the GTS, check for CXPI communication system DTCs.
Click here
|
Result | Proceed to |
|---|---|
|
CXPI DTCs are not output |
A |
| CXPI DTCs are output |
B |
| B |
| GO TO CXPI COMMUNICATION SYSTEM |
|
| 6. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
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Result | Proceed to |
|---|---|
|
Fault is not listed in Problem Symptoms Table |
A |
| Fault is listed in Problem Symptoms Table |
B |
| B |
| GO TO STEP 8 |
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| 7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check
Click here
(b) Inspection
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| 8. |
REPAIR OR REPLACE |
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| 9. |
CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
Operation Check
OPERATION CHECK CHECK BASIC OPERATIONS NOTICE:
Using the multi-information display (combination meter assembly), check that the rear seat reminder function is set to ON.
Click here
HINT:
U
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE REAR SEAT REMINDER SYSTEM
NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Record the current s
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 pr
SEE MORE:
Blower Motor Circuit
DESCRIPTION The blower motor with fan sub-assembly is operated by signals from the air conditioning amplifier assembly. Blower motor speed signals are transmitted in accordance with changes in the duty ratio.
If the airflow volume is low or the blower speed cannot be changed, the following factors
Removal
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 AIR CONDITIONER UNIT ASSEMBLY
- -
- -
2 IMMOBILIZER CODE ECU (ID CODE BOX)
89784 -
- - CAUTION / NOTICE / HINT
The necessary procedure
