Toyota RAV4 Service Manual: Terminals of ecu
- Skid control ecu
Hint:
*1: W/ 16-inch disc
*2: W/ downhill assist control
*3: For 2wd (w/ auto lsd)
- Check skid control ecu
- Disconnect the a19 ecu connector.
- Measure the voltage and resistance of the wire harness side connector.
Hint:
The voltage cannot be measured with the connector connected to the skid control ecu as the connector is water resistant.
Hint:
*1: W/ 16-inch disc
*2: W/ downhill assist control
*3: For 2wd (w/ auto lsd)
If the result is not as specified, there may be a malfunction on the wire harness side.
- Check instrument panel junction block (main body ecu)
- Disconnect the id junction block connector.
- Measure the resistance of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
- Reconnect the id junction block connector.
- Measure the voltage of the wire harness side connector.
If the result is not as specified, the junction block (ecu) may be a malfunction.
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
Diagnosis
If the skid control ecu detects a malfunction, the abs,
vsc and brake warning lights and the slip, downhill
assist control and auto lsd indicator lights come on in
accordance with t ...
Other materials:
Diagnosis system
Check dlc3
The ecm uses iso 15765-4 for communication. The
terminal arrangement of the dlc3 complies with sae
j1962 and matches the iso 15765-4 format.
If the result is not as specified, the dlc3 may have a
malfunction. Repair or replace the harness and
connector.
Hint:
Conn ...
Defogging the windshield
Press .
The dehumidification function
operates and fan speed increases.
Set the outside/recirculated air
mode button to outside air mode if
the recirculated air mode is used.
(It may switch automatically.)
To defog the windshield and the
side windows early, turn the air
flow and t ...
Diagnosis system
Description
Engine immobiliser system data and diagnostic
trouble codes (dtcs) can be read through the
vehicle's data link connector 3 (dlc3). In some
cases, a malfunction may be occurring in the engine
immobiliser system even though the security
indicator light is not illuminated ...