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.
|
|
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 |
|---|---|
|
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:
Brake Booster Pressure Sensor(running) (P055500,P05552A)
DESCRIPTION The engine stop and start ECU determines changes in the brake booster assembly pressure based on the voltage signal received from the vacuum sensor assembly in the brake booster assembly.
If the output value of the vacuum sensor assembly remains the same even though the brake booster a
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 TRANSPONDER KEY ECU ASSEMBLY
89780 -
- -
2 AIR CONDITIONER UNIT ASSEMBLY
- -
- -
3 PERFORM CODE REGISTRATION
-
