Toyota Venza: Mf1a Transfer / 4wd / Awd
- 4wd Control Ecu
- Active Torque Control 4wd System
- Precaution
- Parts Location
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Test Mode Procedure
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Data List / Active Test
- Fail-safe Chart
- Diagnostic Trouble Code Chart
- Low Power Supply Voltage (C1241/94)
- Control Module Communication Bus OFF (U0073/86,U0100/85,U0129/83)
- Malfunction in Deceleration Sensor (C1245/93)
- Cancellation of 4WD Control (C1299/99)
- ABS Malfunction (C1296/96)
- Linear Solenoid Circuit (C1298/98)
- Engine Circuit Malfunction (C1280/82)
- AWD Warning Light does not Come ON
- AWD Warning Light Remains ON
- TC and CG Terminal Circuit
- Transfer Assembly(when Not Using The Engine Support Bridge)
- Transfer Assembly(when Using The Engine Support Bridge)
- Transfer Case Front Oil Seal(when Not Using The Engine Support Bridge)
- Transfer Case Front Oil Seal(when Using The Engine Support Bridge)
- Transfer Case Front Oil Seal(for Rh Side)
- Transfer Case Rear Oil Seal
- Transfer Oil
- Transfer System
Installation
INSTALLATION
PROCEDURE
1. INSTALL REAR DRIVE SHAFT ASSEMBLY
(a) Align the shaft splines and install the rear drive shaft assembly
using a screwdriver and hammer.
NOTICE:
...
4wd Control Ecu
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT DOOR SCUFF PLATE RH
2. REMOVE COWL SIDE TRIM SUB-ASSEMBLY RH
3. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB ...
Other materials about Toyota Venza:
ECU Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, voltage from the ECM's MREL terminal
is applied to the EFI MAIN relay. This causes the contacts of the EFI MAIN relay
to close, which supplies power to terminal +B of the TCM.
WIRING DIAGRAM
PR ...
Precaution
PRECAUTION
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected.
System Name
See Procedure
Back Door Closer System
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Sending Malfunction (Navigation to APGS) (U0073,U0100,U0140,U0155)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
DTC No.
DTC Detection Condition
Trouble Area
U0073
CAN bus connection error
CAN communicatio ...
0.1148