Toyota Venza: Linear Solenoid Circuit (C1298/98)
DESCRIPTION
The AWD control ECU receives signals from each sensor to control clutch pressure to distribute torque according to the driving conditions.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1298/98 |
When the following continues for 1 second or more: - With the current of the 0.8 A or more, an open or short in the electromagnetic solenoid circuit occurs. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
HINT:
Check the condition of each related circuit connector before troubleshooting
(See page .gif)
).
PROCEDURE
|
1. |
CHECK WIRE HARNESS (AWD CONTROL ECU - BATTERY) |
|
(a) Disconnect the ECU connector. |
|
(b) Measure the voltage of the wire harness side connector.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D38-9 (BSLC) - Body Ground |
Always |
11 to 14 V |
|
*1 |
Rear view of wire harness connector (to AWD Control ECU) |
| NG | .gif) |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
.gif)
|
2. |
INSPECT ELECTRO MAGNETIC CONTROL COUPLING (ELECTROMAGNETIC SOLENOID) |
|
(a) Remove the coupling connector. |
|
(b) Measure the resistance of the solenoid.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
1 (BSF) - 2 (SLC) |
Always |
2.2 to 2.6 Ω |
|
1 (BSF) - Body ground |
Always |
10 kΩ or higher |
|
2 (SLC) - Body ground |
Always |
10 kΩ or higher |
|
*1 |
Electromagnetic Solenoid |
| NG | |
REPLACE ELECTRO MAGNETIC CONTROL COUPLING |
|
|
3. |
CHECK WIRE HARNESS (ELECTROMAGNETIC CONTROL COUPLING - AWD CONTROL ECU) |
|
(a) Disconnect the ECU connector. |
|
(b) Measure the resistance of the wire harness side connector.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D38-13 (SLC+) - O1-1 (BSF) |
Always |
Below 1 Ω |
|
D38-32 (SLC-) - O1-2 (SLC) |
Always |
Below 1 Ω |
|
D38-13 (SLC+) - Body ground |
Always |
10 kΩ or higher |
|
D38-32 (SLC-) - Body ground |
Always |
10 kΩ or higher |
|
*1 |
Front view of wire harness connector (to Electromagnetic Solenoid) |
|
*2 |
Rear view of wire harness connector (to AWD Control ECU) |
| OK | |
REPLACE AWD CONTROL ECU |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
ABS Malfunction (C1296/96)
DESCRIPTION
If a malfunction in the speed sensor signal circuit occurs, the AWD control ECU
will output this DTC.
DTC No.
DTC Detecting Condition
Trouble Area
...
Engine Circuit Malfunction (C1280/82)
DESCRIPTION
If a malfunction in the ECM circuit occurs, the AWD control ECU will output this
DTC.
DTC No.
DTC Detection Condition
Trouble Area
C12 ...
Other materials about Toyota Venza:
Occupant Classification Sensor Power Supply Circuit Malfunction (B1793)
DESCRIPTION
The occupant classification sensor power supply circuit consists of the occupant
classification ECU and occupant classification sensors.
DTC B1793 is recorded when a malfunction is detected in the occupant classification
sensor power supply c ...
Replacement
REPLACEMENT
PROCEDURE
1. REMOVE CENTER EXHAUST PIPE ASSEMBLY
(a) Remove the center exhaust pipe assembly.
HINT:
Refer to the instructions for Removal of the exhaust pipe (See page
for 2GR-FE,
for 1AR-FE).
2. REMOVE PROPELLER WITH CENTER BEARING SHAF ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL YAW RATE AND ACCELERATION SENSOR
(a) Install the yaw rate and acceleration sensor to the bracket with
the 2 nuts.
Torque:
5.0 N·m {51 kgf·cm, 44 in·lbf}
...
0.1381