Toyota Corolla Cross: 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 checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
|
Symptom | Suspected Area |
Link |
|---|---|---|
|
Back door does not open when back door open switch operated(Wireless lock/unlock function does not operate)*1 |
Check customize setting (Wireless Unlock Twice Function "Disable") |
|
|
Power back door system | ||
|
Wireless control function and entry function do not operate |
Proceed to "All Door Entry Lock / Unlock Functions and Wireless Functions do not Operate"*2 |
|
|
Proceed to "All Door Entry Lock / Unlock Functions and Wireless Functions do not Operate"*3 |
| |
|
Wireless control function does not operate but entry function operates |
Electrical key transmitter sub-assembly |
- |
| Only answer-back function does not operate properly |
Proceed to "No Answer-Back" |
|
|
Only automatic lock function does not operate properly |
Perform operation check |
|
|
Lighting system (INT) (Front door courtesy switch circuit) |
| |
|
Lighting system (INT) (Rear door courtesy switch circuit) |
| |
|
Lighting system (INT) (Back door courtesy switch circuit) |
| |
|
Main body ECU (Multiplex network body ECU) |
| |
|
Only illuminated entry function does not operate |
Perform operation check |
|
|
Lighting system (INT) |
| |
|
Main body ECU (Multiplex network body ECU) |
| |
|
Only door ajar warning buzzer function does not operate |
Wireless Door Lock Buzzer |
|
|
Only panic alarm function does not operate |
Perform operation check |
|
|
Theft deterrent system |
|
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- *1: w/ Power Back Door System
- *2: for HEV Model
- *3: for Gasoline Model
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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) from the power distribution box assem
Data List / Active Test
DATA LIST / ACTIVE TEST 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 deciding whether a
Wireless Door Lock Tuner Component Internal Failure (B124296)
DESCRIPTION The door control receiver is used to receive radio waves related to the entry functions of the electrical key transmitter sub-assembly. The certification ECU (smart key ECU assembly) decod
SEE MORE:
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 NO. 1 ECM BRACKET
89667E -
- -
2 NO. 2 ECM BRACKET
89668 -
- -
3 ECM
89661
- -
4 ENGIN
VEHICLE CONTROL HISTORY (RoB)
VEHICLE CONTROL HISTORY (RoB)
NOTICE:
Make sure to record any output Vehicle Control History (RoB) codes
before clearing them and checking the Vehicle Control History (RoB) again.
CHECK VEHICLE CONTROL HISTORY
Body Electrical > Telematics > Utility
Tester Display
