Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use these procedures to troubleshoot the power integration 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.
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3. |
CHECK COMMUNICATION FUNCTION OF CXPI COMMUNICATION SYSTEM* |
(a) Using the GTS, check the CXPI communication function to ensure that there are no malfunctions in the communication system.
| DTCs output | .gif) |
GO TO CXPI COMMUNICATION SYSTEM |
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4. |
CHECK VEHICLE CONTROL HISTORY* |
(a) Using the GTS, check for Vehicle Control History (RoB).
Body Electrical > Power Distribution Box > Utility|
Tester Display |
|---|
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Vehicle Control History (RoB) |
(b) If the vehicle control history is output, record it.
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Result |
Proceed to |
|---|---|
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Vehicle Control History (RoB) is not output |
A |
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Vehicle Control History (RoB) is output |
B |
| B | |
GO TO VEHICLE CONTROL HISTORY |
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5. |
CHECK FOR DTC* |
(a) Check for DTCs and make a note of any codes that are output.
(b) Clear the DTCs.
Body Electrical > Power Distribution Box > Clear DTCs(c) Recheck for DTCs.
Body Electrical > Power Distribution Box > Trouble Codes| DTCs output | |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
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6. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to the Problem Symptoms Table.
Click here .gif)
| Fault is listed in problem symptoms table | |
ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE |
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7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test
Click here
(b) Terminals of ECU
Click here
(c) Problem Symptoms Table
Click here
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8. |
ADJUST, REPAIR OR REPLACE |
| NEXT | |
END |
READ NEXT:
Utility
UTILITY
ALL READINESS
(a) Power Distribution Box Assembly
Body Electrical > Power Distribution Box > Utility
Tester Display
All Readiness
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of the problem symptom. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in orde
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
SEE MORE:
USB charging port
The USB charging port are used
to supply 3.0 A of electricity at 5
V to external devices.
The USB charging port are for
charging only. They are not
designed for data transfer or
other purposes.
Depending on the external
device, it may not charge properly.
Refer to the manual
included with the dev
Only Wireless Control Function is Inoperative
DESCRIPTION The door control receiver receives signals from the door control transmitter assembly and sends these signals to the main body ECU (multiplex network body ECU). The main body ECU (multiplex network body ECU) then controls all doors by sending lock/unlock signals to each door, and sends h
