Toyota Venza: Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER STEERING ECU
HINT:
As connector z8 uses a lock lever, each terminal cannot be checked while the connector is still connected to the power steering ECU.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
|---|---|---|
|
z8-1 (V) |
W |
V phase motor output |
|
z8-2 (U) |
B |
U phase motor output |
|
z8-3 (W) |
R |
W phase motor output |
(a) Measure the voltage and resistance according to the value(s) in the table below.
NOTICE:
When the P/S warning light is illuminated during a malfunction, the fail-safe function may cause the voltage of the power steering ECU terminals to become 0 V.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
D19-1 (PIG) - D19-2 (PGND) |
R - B |
Power source |
Always |
11 to 14 V |
|
D19-2 (PGND) - Body ground |
B - Body ground |
Power ground |
Always |
Below 1 Ω |
|
D20-1 (CANH) - D20-7 (CANL) |
BR - W |
CAN communication line |
Ignition switch off |
54 to 69 Ω |
|
D20-6 (IG) - D19-2 (PGND) |
GR - B |
IG power source |
Ignition switch ON |
11 to 14 V |
|
z9-1 (RZV) - D19-2 (PGND) |
R - B |
Rotation angle sensor excitation output signal |
Engine running, steering wheel being turned |
-2.42 to 2.42 V |
|
z9-3 (RZG) - D19-2 (PGND) |
B - B |
Rotation angle sensor excitation circuit GND |
Always |
Below 1 Ω |
|
z9-5 (RZCS) - D19-2 (PGND) |
L - B |
Rotation angle sensor COS aspect output signal |
Engine running, steering wheel being turned |
-0.73 to 0.73 V |
|
z9-6 (RZSN) - D19-2 (PGND) |
Y - B |
Rotation angle sensor SIN aspect output signal |
Engine running, steering wheel being turned |
-0.73 to 0.73 V |
|
z10-5 (TRQ1) - z10-8 (TRQG) |
W - B |
Torque sensor signal |
Engine running, steering wheel not turned (without load) |
2.3 to 2.7 V |
|
Engine running, steering wheel turned to right with vehicle stopped |
2.5 to 3.8 V |
|||
|
Engine running, steering wheel turned to left with vehicle stopped |
1.2 to 2.5 V |
|||
|
z10-6 (TRQV) - z10-8 (TRQG) |
R - B |
Torque sensor voltage source |
Ignition switch ON |
4.5 to 5.5 V |
|
z10-7 (TRQ2) - z10-8 (TRQG) |
Y - B |
Torque sensor signal |
Engine running, steering wheel not turned (without load) |
2.3 to 2.7 V |
|
Engine running, steering wheel turned to right with vehicle stopped |
1.2 to 2.5 V |
|||
|
Engine running, steering wheel turned to left with vehicle stopped |
2.5 to 3.8 V |
|||
|
z10-8 (TRQG) - Body ground |
B - Body ground |
Torque sensor ground |
Always |
Below 1 Ω |
If the result is not as specified, the ECU may have a malfunction.
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are lis ...
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) Check the DLC3 (See page ).
2. FUNCTION OF P/S WARNING LIGHT
(a) When a malfunction is detected in the power steering system, the P/S warning
light on the acc ...
Other materials about Toyota Venza:
Customize Parameters
CUSTOMIZE PARAMETERS
PROCEDURE
1. CUSTOMIZE INTUITIVE PARKING ASSIST SYSTEM
(a) Customizing with the Techstream
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Be sure to make ...
Speed Sensor(when Using The Engine Support Bridge)
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE TRANSMISSION VALVE BODY ASSEMBLY
See page
2. REMOVE SPEED SENSOR
(a) Disconnect the speed sensor connector.
(b) Remove the 2 bolts and speed sensor from the tra ...
Touch Sensor Circuit
DESCRIPTION
When the power back door ECU receives a jam signal from the touch sensor while
the power back door is operating, the ECU reverses the back door operation and opens
the door.
WIRING DIAGRAM
PROCEDURE
1.
READ VALUE US ...
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