Toyota Venza: System Diagram
SYSTEM DIAGRAM
Communication Table
|
Transmitting ECU (Transmitter) |
Receiving ECU (Receiver) |
Signal |
Communication Method |
|---|---|---|---|
|
Certification ECU (smart key ECU assembly) |
Power management control ECU |
Engine immobiliser system set/unset signal |
CAN |
|
Power management control ECU |
Certification ECU (smart key ECU assembly) |
Key code recognition signal |
CAN |
|
Power management control ECU |
Certification ECU (smart key ECU assembly) |
Shift position P signal |
LIN |
|
ID code certification result request signal |
|||
|
Power supply ON operation condition signal |
|||
|
Engine start operation condition signal |
|||
|
ACC relay drive condition signal |
|||
|
Steering lock ECU (Steering lock actuator assembly) |
Certification ECU (Smart key ECU assembly) |
Steering lock signal |
LIN |
|
Steering unlock signal |
|||
|
Steering lock confirmation signal |
|||
|
Steering unlock confirmation signal |
|||
|
Diagnosis response signal |
|||
|
Steering unlock drive relay signal |
|||
|
Steering lock drive relay signal |
|||
|
Steering lock motor operation signal |
|||
|
L code registration status signal |
|||
|
Certification ECU (Smart key ECU assembly) |
Steering lock ECU (Steering lock actuator assembly) |
Steering lock release signal |
LIN |
|
Matching request random number signal |
|||
|
L code registration mode signal |
|||
|
Diagnosis mode request signal |
|||
|
DTC clear request signal |
Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the engine immobiliser system.
*: Using the Techstream.
PROCEDURE
1.
VEHICLE B ...
Other materials about Toyota Venza:
ACC Monitor Malfunction (B2274)
DESCRIPTION
This DTC is stored when there is a problem in the ACC output circuit. The ACC
circuit is the circuit that goes from inside the power management control ECU to
the ACC relay.
DTC No.
DTC Detection Condition
Tro ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repair" after replacing the fuel injector assembly
(See page ).
PROCEDURE
1. DISCHARGE FUEL SYSTEM PRESSURE
(a) Discharge fuel system pressure (See page
).
2. DISCONNECT CABL ...
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" ...
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