Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the GTS.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer and confirm the problem.
Click here .gif)
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3. |
INSPECT 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.
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4. |
CHECK DTC AND FREEZE FRAME DATA* |
(a) Check and record DTCs and freeze frame data.
Chassis > Brake/EPB > Trouble Codes(b) Clear the DTCs and freeze frame data.
Chassis > Brake/EPB > Clear DTCs(c) Recheck for DTCs.
(1) Reconfirm the DTCs based on the recorded DTCs and freeze frame data.
Chassis > Brake/EPB > Trouble Codes(2) Try to reproduce the problem symptoms based on the recorded DTCs and freeze frame data, and then check if the DTCs are output again.
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Result |
Proceed to |
|---|---|
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DTCs are not output (Problem symptom occurs.) |
A |
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DTCs are output |
B |
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DTCs are not output (Problem symptom does not occur.) |
C |
HINT:
- Refer to Diagnostic Trouble Code Chart if any DTCs are output.
- When DTCs indicating a CAN communication system malfunction are output, first troubleshoot and repair the CAN communication system.
| B | .gif)
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GO TO DIAGNOSTIC TROUBLE CODE CHART |
| C |
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USE SIMULATION METHOD TO CHECK |
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5. |
PROBLEM SYMPTOMS TABLE |
(a) Proceed to Problem Symptoms Table.
Click here
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Result |
Proceed to |
|---|---|
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Fault is not listed in Problem Symptoms Table |
A |
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Fault is listed in Problem Symptoms Table |
B |
| B |
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GO TO STEP 7 |
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6. |
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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7. |
REPAIR OR REPLACE |
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8. |
CONFIRMATION TEST |
| NEXT |
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END |
READ NEXT:
Test Mode Procedure
TEST MODE PROCEDURE
REAR BRAKE PAD REPLACEMENT MODE
*1
Rear Disc Brake Piston
*2
Nut
*a
The nut moves inward in pad re
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
CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
*a
Front view of wire harness connector (to Skid Control ECU
(Brake Actuator Assembly))
-
SEE MORE:
DC/DC Converter Stuck On (P0A949E,P0D3319)
DTC SUMMARY MALFUNCTION DESCRIPTION This DTC indicates that a large current flowed in the boost converter. The cause of this malfunction may be one of the following:
Area Main Malfunction Description
Hybrid vehicle transaxle assembly
Open or short circuit in the motor
High Beam Headlight Circuit
DESCRIPTION The headlight ECU sub-assembly controls the high beam headlights. WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE: If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.
Click here
