Toyota Corolla Cross: Terminals Of Ecu
TERMINALS OF ECU
DCM (TELEMATICS TRANSCEIVER)
|
Terminal No. (Symbol) |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|
|
I200-1 (+B) - I200-20 (E) |
Power source (+B) |
Ignition switch off |
11 to 14 V |
|
I200-15 (USBV) - I200-20 (E) |
DCM (telematics transceiver) power supply signal |
Ignition switch ON |
4.75 to 5.25 V |
|
Ignition switch off |
Below 1 V |
||
|
I200-17 (VOT+) - I200-20 (E) |
Sent voice signal |
Calling while using the operator service |
A waveform synchronized with the received voice is output |
|
I200-19 (IG2) - I200-20 (E) |
Power source (IG) |
Ignition switch ON |
11 to 14 V |
|
Ignition switch off |
Below 1 V |
||
|
I200-20 (E) - Body ground |
Ground |
Always |
Below 1 Ω |
|
I200-25 (CANP) |
CAN communication signal |
- |
- |
|
I200-26 (CANN) |
CAN communication signal |
- |
- |
|
I200-31 (USBG) - Body ground |
Shield ground |
Always |
Below 1 Ω |
|
I200-33 (VOT-) - I200-20 (E) |
Sent voice signal |
Calling while using the operator service |
A waveform synchronized with the received voice is output |
|
t1-1 (USB-) |
USB communication line |
- |
- |
|
t1-2 (USB+) |
USB communication line |
- |
- |
|
t1-3 (USBS) - Body ground |
Shield ground |
Always |
Below 1 Ω |
CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
- for HEV Model:
Click here
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- for Gasoline Model:
Click here
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Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Diagnostic Trouble Codes (DTCs) for the telematics system can
be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems
to be malfuncti
Data List / Active Test
DATA LIST / ACTIVE TEST
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
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Telematics System
DTC No.
Detection Item
Link
U014087
Lost Communication with Body Control Module Missing
SEE MORE:
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 susp
O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 1 (P014C00,P014D00,P015A00,P015B00)
DESCRIPTION Refer to DTC P003012. Click here
HINT: Although the DTC titles say O2 sensor, these DTCs relate to the air fuel ratio sensor (sensor 1).
DTC No. Detection Item
DTC Detection Condition Trouble Area
MIL Note
P014C00 O2 Sensor Slow Response - Rich to Lean
