Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the power steering system.
- *: Use the GTS.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
|
2. |
INSPECT AUXILIARY BATTERY |
(a) Turn the ignition switch off.
(b) Measure the voltage of the auxiliary battery.
Standard Voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
|
|
3. |
CHECK DTC AND FREEZE FRAME DATA* |
(a) Check DTCs and freeze frame data.
|
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4. |
PROBLEM SYMPTOM CONFIRMATION |
|
Result |
Proceed to |
|---|---|
|
Symptom does not occur. |
A |
|
Symptom occurs. |
B |
| B |  |
GO TO STEP 6 |
|
|
5. |
SYMPTOM SIMULATION |
|
|
6. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Check for DTCs.
- for HEV Model:
Click here
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- for Gasoline Model:
Click here
|
Result |
Proceed to |
|---|---|
|
CAN communication system DTCs are not output. |
A |
|
CAN communication system DTCs are output. |
B |
HINT:
- If any CAN communication system DTCs are output, perform troubleshooting for the CAN communication system first.
- If communication to the power steering ECU assembly cannot be established through the GTS, inspect terminals CANH and CANL of the DLC3 and the power steering ECU assembly, and the IG circuit of the power steering ECU assembly.
| B | |
PROCEED TO CAN COMMUNICATION SYSTEM
|
|
|
7. |
CHECK FOR DTC* |
(a) Check for DTCs.
Chassis > EMPS > Trouble CodesHINT:
Refer to Diagnostic Trouble Code Chart when any DTCs are output.
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs are not output. |
A |
|
DTCs are output. |
B |
| B | |
GO TO STEP 10 |
|
|
8. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
|
Result |
Proceed to |
|---|---|
|
Fault is not listed in Problem Symptoms Table. |
A |
|
Fault is listed in Problem Symptoms Table. |
B |
| B | |
GO TO STEP 10 |
|
|
9. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Refer to Terminals of ECU.
Click here
(b) Refer to Data List / Active Test.
Click here
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10. |
REPAIR OR REPLACE |
|
|
11. |
CONFIRMATION TEST |
| NEXT | |
END |
READ NEXT:
Calibration
CALIBRATION
POWER STEERING ECU INITIAL SETTING (ASSIST MAP WRITING) (USING GTS)
NOTICE:
If any of the following conditions are met, perform Power Steering ECU Initial
Setting (assist map writing)
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
Terminals Of Ecu
TERMINALS OF ECU
CHECK POWER STEERING ECU ASSEMBLY
*a
Component without harness connected
(Power Steering ECU Assembly)
-
-
(a) Measure the
SEE MORE:
Installation
INSTALLATION
CAUTION / NOTICE / HINT
COMPONENTS (INSTALLATION)
Procedure
Part Name Code
1
MOTOR CABLE
G1148
-
-
2
TERMINAL CAP
82823M
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE:
In the table below, 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 of swit
