Toyota RAV4 (XA40) 2013-2018 Service Manual: Terminals of ecu
- Check tire pressure warning ecu
- Disconnect the e56 ecu connector.
- Measure the voltage and 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 e56 ecu connector.
- Measure the voltage of the connector.
If the result is not as specified, the ecu may have 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
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 spe ...
Other materials:
Headlight relay
On-vehicle inspection
Remove headlight relay
Remove the headlight relay from the engine room
no. 2 Relay block.
Measure the resistance of the relay.
Standard resistance
If result is not as specified, replace the relay. ...
Front occupant classification sensor lh circuit
malfunction
Description
The front occupant classification sensor lh circuit consists of the occupant
classification ecu and the
front occupant classification sensor lh.
Dtc b1780 is recorded when a malfunction is detected in the front occupant
classification sensor lh
circuit.
Wiring diagram
...
Heated oxygen sensor
Components
Removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove heated oxygen sensor (for bank 1 sensor 2)
...
