Toyota Venza: Lin Communication System
- Precaution
- Parts Location
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Data List / Active Test
- Lost Communication with Power Source Control (B278C)
- Diagnostic Trouble Code Chart
- No Response from Steering Lock ECU (B2786)
- Lost Communication with Automatic High Beam Sensor (B2432)
- Communication Malfunction between ECUs Connected by LIN (B2785)
- Rear Door LH ECU Communication Stop (B2324)
- LIN Communication Bus Malfunction (B2325)
- Front Passenger Side Door ECU Communication Stop (B2322)
- Rear Door RH ECU Communication Stop (B2323)
- Driver Side Door ECU Communication Stop (B2321)
- Sliding Roof ECU Communication Stop (B1273)
- LIN Communication Master Malfunction (B2287)
- Lost Communication with AFS LIN (B124D)
- P/W Master Switch Communication Stop (B1206)
Open in One Side of CAN Branch Line
DESCRIPTION
If some ECUs and sensors are not displayed on the "CAN Bus Check" screen of the
Techstream and some ECUs and sensors repeatedly appear and disappear from the screen
when the ...
Precaution
PRECAUTION
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected.
System Name
See Proc ...
Other materials about Toyota Venza:
ECU Power Source Circuit
DESCRIPTION
This is the power source for the tire pressure warning ECU.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the tire pressure warning ECU, read the transmitter IDs
stored in the old ECU using the Techstream and writ ...
Freeze Frame Data
FREEZE FRAME DATA
1. FREEZE FRAME DATA
(a) Whenever a DTC is detected, the AFS ECU (headlight swivel ECU assembly) stores
the current vehicle (sensor) state as Freeze Frame Data.
2. CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Tur ...
Open in Driver Side Electrical Antenna Circuit (B27A1)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
sends it to the electrical key oscillator built into the front door outside handle
assembly (for driver side) at 0.25-second intervals. To detect a key near the driv ...
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