Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the seat belt warning system.
- *: Use the GTS.
PROCEDURE
|
1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer to confirm the problem.
Click here .gif)
|
| 3. |
PRE-CHECK |
(a) Measure the auxiliary battery voltage.
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. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the GTS, check for CAN communication system DTCs.
- for HEV Model:
Click here
- for Gasoline Model:
Click here
|
Result | Proceed to |
|---|---|
|
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.
Body Electrical > Main Body > Trouble Codes|
Result | Proceed to |
|---|---|
|
CXPI communication system DTCs are not output |
A |
| CXPI communication system DTCs are output |
B |
| B |
| GO TO CXPI COMMUNICATION SYSTEM |
|
| 6. |
CHECK DTC OUTPUT (AIRBAG SYSTEM)* |
(a) Clear the DTCs.
Body Electrical > SRS Airbag > Clear DTCs(b) Check for DTCs.
Body Electrical > SRS Airbag > Trouble Codes|
Result | Proceed to |
|---|---|
|
DTCs are not output | A |
|
DTCs are output | B |
| B |
| GO TO AIRBAG SYSTEM |
|
| 7. |
CHECK COMBINATION METER ASSEMBLY |
(a) Check the operation of the speedometer, shift indicator and brake warning light on the combination meter assembly.
OK:
The speedometer, shift indicator* and brake warning light on the combination meter assembly operate normally.
| NG | | GO TO METER / GAUGE SYSTEM |
|
| 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) Data List / Active Test
Click here
(b) Terminals of ECU
Click here
(c) On-vehicle Inspection
Click here
|
| 10. |
REPAIR OR REPLACE |
|
| 11. |
CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
Customize Parameters
CUSTOMIZE PARAMETERS
NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make a note of the current settings before cu
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 info
Terminals Of Ecu
TERMINALS OF ECU CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(a) Remove the main body ECU (multiplex network body ECU). Click here
*1 Power
SEE MORE:
Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087,U015587,U016487,U016887,U019887,U026587,U029387,U100049,U111087)
DESCRIPTION
These DTCs are stored when the radio receiver assembly detects
a malfunction in the CAN communication circuit.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
DTC Output from
Priority
U0100
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. WARNING LIGHT AND INDICATOR LIGHT INITIAL CHECK
(a) When the ignition switch is turned to ON, check that the ABS warning
light, brake system warning light (red indicator), slip indicator light, VSC OFF
indicator light, brake hold standby indicator light and
