Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use these procedures to troubleshoot the CXPI communication system.
- *: Use the GTS.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
INSPECT AUXILIARY BATTERY VOLTAGE |
(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.
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3. |
CHECK POWER INTEGRATION SYSTEM* |
(a) Use the GTS to check if the power integration system is functioning normally.
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Result |
Proceed to |
|---|---|
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Power integration system DTCs are not output |
A |
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Power integration system DTCs are output |
B |
| B | .gif) |
GO TO POWER INTEGRATION SYSTEM |
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4. |
CHECK FOR DTC* |
(a) Check for DTCs and make a note of any codes that are output.
(b) Clear the DTCs.
Body Electrical > Main Body > Clear DTCs(c) Recheck for DTCs.
Body Electrical > Main Body > Trouble Codes|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B | |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
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5. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test
Click here .gif)
(b) Terminals of ECU
Click here
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6. |
ADJUST, REPAIR OR REPLACE |
| NEXT | |
END |
READ NEXT:
Terminals Of Ecu
TERMINALS OF ECU
NOTICE:
After the ignition switch is turned off, there may be a waiting time before
disconnecting the negative (-) auxiliary battery terminal.
Click here
When disconn
Fail-safe Chart
FAIL-SAFE CHART
CXPI COMMUNICATION FAIL-SAFE
(a) When there is a CXPI communication malfunction (communication stop), each
load operates as follows.
Power distribution box assembly
Lo
Data List / Active Test
DATA LIST / ACTIVE TEST
READ 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 d
SEE MORE:
Terminals Of Ecu
TERMINALS OF ECU
CHECK 4WD ECU ASSEMBLY
(a) Measure the voltage and resistance of the connector.
Terminal No. (Symbol)
Terminal Description
Condition
Specified Condition
O201-6 (CANH) - O201-5 (CANL)
CAN communication line
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
