Toyota RAV4 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:
Wiper switch
Precaution
Precaution for vehicle with srs
Some procedures in this section may affect the
supplemental restraint system (srs). Prior to
performing the procedures, read the srs section's
"precaution" (see page ss-2).
Components
Removal
Disconnect cable from negat ...
Data list / active test (2005/11-2006/01)
Read data list
Read data list
Hint:
Using the intelligent tester's data list allows switch,
sensor, actuator and other item values to be read without
removing any parts. Reading the data list early in
troubleshooting is one way to save time.
Connect the intelligent tester (wi ...
On-vehicle inspection
Check accelerator pedal rod
Check the voltage.
Connect the intelligent tester to the dlc3.
Turn the ignition switch on
Turn the intelligent tester on.
Select the menu items: diagnosis /
enhanced obd ii / data list / all /
accel pos #1, accel pos #2.
Operate the acceler ...