Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Before performing troubleshooting for the front radar sensor system,
perform troubleshooting for the front camera system.
Click here
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- *: Use the GTS.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
PRE-CHECK |
(a) Measure the auxiliary battery voltage with the ignition switch off.
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.
(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.
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|
3. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the GTS, check for CAN communication system DTCs.
for Gasoline Model: Click here
for HEV 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 Gasoline Model: Click here
for HEV Model: Click here
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|
|
4. |
CHECK FOR DTCs* |
(a) Using the GTS, check for DTCs.
Body Electrical > Front Radar Sensor > Trouble Codes|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTC C1A1100 is output |
B |
|
DTCs other than C1A1100 are output |
C |
| B |
|
GO TO DIAGNOSTIC TROUBLE CODE CHART (C1A1100) |
| C |
|
GO TO STEP 7 |
|
|
5. |
CHECK VEHICLE CONTROL HISTORY* |
(a) Using the GTS, check for Vehicle Control History (RoB).
Body Electrical > Front Radar Sensor > Utility|
Tester Display |
|---|
|
Vehicle Control History (RoB) |
(b) Make a note of the output Vehicle Control History (RoB).
|
Result |
Proceed to |
|---|---|
|
Vehicle Control History (RoB) codes are not output |
A |
|
Vehicle Control History (RoB) code X2024, X2025, X2026 or X2028 is output |
B |
|
Vehicle Control History (RoB) codes other than X2024, X2025, X2026 and X2028 are output |
C |
| A |
|
USE SIMULATION METHOD TO CHECK |
| B |
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GO TO VEHICLE CONTROL HISTORY (X2024, X2025, X2026 or X2028) |
|
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6. |
RECONFIRM VEHICLE CONTROL HISTORY* |
(a) Using the GTS, clear the Vehicle Control History (RoB).
Body Electrical > Front Radar Sensor > Utility|
Tester Display |
|---|
|
Vehicle Control History (RoB) |
(b) Using the GTS, check for Vehicle Control History (RoB).
Body Electrical > Front Radar Sensor > Utility|
Tester Display |
|---|
|
Vehicle Control History (RoB) |
|
Result |
Proceed to |
|---|---|
|
Vehicle Control History (RoB) codes are not output |
A |
|
Vehicle Control History (RoB) codes are output |
B |
| A |
|
USE SIMULATION METHOD TO CHECK |
| B |
|
GO TO VEHICLE CONTROL HISTORY |
|
7. |
RECONFIRM DTC OUTPUT* |
(a) Using the GTS, clear the DTCs.
Body Electrical > Front Radar Sensor > Clear DTCs(b) Reproduce the vehicle conditions that were present when the DTCs that were noted were stored.
HINT:
Refer to each corresponding DTC for details on the detection conditions.
Click here
(c) Using the GTS, check for DTCs.
Body Electrical > Front Radar Sensor > Trouble Codes|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| A |
|
GO TO STEP 5 |
| B |
|
GO TO DIAGNOSTIC TROUBLE CODE CHART |
READ NEXT:
Utility
UTILITY
Transition to Online Axis Alignment Mode
NOTICE:
This utility transitions to online axis alignment mode of the millimeter
wave radar sensor assembly.
(a) Following the instructions on th
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 i
Terminals Of Ecu
TERMINALS OF ECU
NOTICE:
DTCs may be output when connectors are disconnected during inspection.
Therefore, be sure to clear the DTCs using the GTS once the inspection has
been completed.
SEE MORE:
Back-up Light Circuit
DESCRIPTION The power distribution box assembly controls the back-up lights via the BKUP LP relay. WIRING DIAGRAM
for HEV Model for Gasoline Model
PROCEDURE
1.
CHECK VEHICLE TYPE (a) Check vehicle type.
Result Proceed to
for HEV Model A
for Gasoline Model B
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 probability in the "Suspected Area" column of the table. Check each symptom by
check
