Toyota RAV4 (XA40) 2013-2018 Service Manual: Terminals of ecm
- Check ecm
- Measure the voltage of the ecm connector.
Hint:
Each ecm terminal's standard voltage is shown in the table below.
In the table, first follow the information under "condition". Look under "symbols (terminal no.)" For the terminals to be inspected. The standard voltage between the terminals is shown under "specified condition".
Use the illustration above as a reference for the ecm terminals.
- Using an oscilloscope, check the waveform 1.
Waveform 1 (reference) 
- Using an oscilloscope, check the waveform 2.
Waveform 2 (reference) 
- Using an oscilloscope, check the waveform 3.
Waveform 3 (reference) 
- Using an oscilloscope, check the waveform 4.
Waveform 4 (reference) 
- Using an oscilloscope, check the waveform 5.
Waveform 5 (reference) 
- Using an oscilloscope, check the waveform 6.
Waveform 6 (reference) 
Problem symptoms table
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "suspected area"
column ...
Diagnosis system
Description
When troubleshooting on-board diagnostic (obd
ii) vehicles, the vehicle must be connected to the
obd ii scan tool (complying with sae j1987).
Various data output from the ...
Other materials:
Installation
Install throttle body
Install a new gasket onto the intake manifold.
Install the throttle body and fuel pipe clamp with the
4 bolts.
Torque: 30 n*m (305 kgf*cm, 22 ft.*Lbf)
Connect the fuel tube into the clamp.
Connect the wire harness clamp.
Connect the throttle posi ...
Power supply relay failure
Description
If the power steering ecu detects these dtcs, it shuts off the motor relay
circuit (built into the power
steering ecu) and stops power assist.
Inspection procedure
Reconfirm dtc
Check for dtc.
Ok:
dtc is not output.
Replace power steering ecu ...
No signal from transmitter id
Description
The tire pressure warning valve and transmitter constantly sends radio waves
to the tire pressure warning
ecu.
Under the following conditions, the tire pressure warning antenna and receiver
is unable to receive the
signals from the tire pressure warning valve and transmitte ...
