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.
Acoustic Vehicle Alerting System
|
Symptom | Suspected Area |
Link |
| Sound is not produced |
Refer to "There is No Sound Made" |
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TERMINALS OF ECU CHECK VEHICLE APPROACHING SPEAKER CONTROLLER
(a) Disconnect the I256 vehicle approaching speaker controller connector.
(b) Measure the voltage and resistance according to the value
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 p
DIAGNOSTIC TROUBLE CODE CHART Acoustic Vehicle Alerting System
DTC No. Detection Item
Link B135013
Acoustic Vehicle Alerting Speaker Circuit Open
B135019 Acoustic
SEE MORE:
DESCRIPTION When an internal malfunction occurs in the ID code box (immobiliser code ECU), the certification ECU (smart key ECU assembly) stores this DTC.
DTC No. Detection Item
DTC Detection Condition Trouble Area
Note B279046
ID-BOX Calibration / Parameter Memory Fail
TERMINALS OF ECU CHECK MULTIPLEX NETWORK DOOR ECU
(a) Disconnect the U39, U40, U41 and U42 multiplex network door ECU connectors.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) Terminal Description
Condition Specified Condit
