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:
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY
(a) Inspect the shift lock operation.
(1) Move the shift lever to P.
(2) Turn the ignition switch off.
(3) Check that the shift lever cannot be moved from P to any other position ...
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
IG Power Supply Voltage Malfunction (C1551)
DESCRIPTION
The power steering ECU distinguishes the ignition switch status as ON or off
through the IG power source circuit.
DTC No.
DTC Detection Condition
Trouble Area
C1551
IG power source ci ...
0.138