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:
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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
This circuit provides power for main body ECU (driver side junction block assembly)
operation.
WIRING DIAGRAM
PROCEDURE
1.
CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MAIN BODY ECU (POWER SOURCE))
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Tachometer Malfunction
DESCRIPTION
In this circuit, the meter CPU receives engine speed signals from the ECM using
the CAN communication system (CAN No. 1 Bus). The meter CPU displays the engine
speed calculated based on the data received from the ECM.
WIRING DIAGRAM
PROCED ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL FRONT DOOR BELT MOULDING
(a) Engage the 5 claws to install the front door belt moulding.
(b) Install the clip.
2. INSTALL FRONT DOOR GLASS RUN
3. INSTALL FRONT ...
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