Toyota RAV4 (XA40) 2013-2018 Service Manual: Diagnostic trouble code chart
If a trouble code is displayed during the dtc check, check the circuit listed for the code in the table below (proceed to the page listed for that circuit).
- Passenger side buckle switch circuit malfunction
- Front occupant classification sensor lh circuit malfunction
- Front occupant classification sensor rh circuit malfunction
- Rear occupant classification sensor lh circuit malfunction
- Rear occupant classification sensor rh circuit malfunction
- Front occupant classification sensor lh collision detection
- Front occupant classification sensor rh collision detection
- Rear occupant classification sensor lh collision detection
- Rear occupant classification sensor rh collision detection
- Center airbag sensor assembly communication circuit malfunction
- Occupant classification sensor power supply circuit malfunction
- Open in occupant classification ecu battery positive line
- Occupant classification ecu malfunction
- Sleep operation failure of occupant classification ecu
- Trouble in passenger airbag on / off indicator
Data list / active test
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 wa ...
Passenger side buckle switch circuit malfunction
Description
The passenger side buckle switch circuit consists of the occupant
classification ecu and the front seat
inner belt rh.
Dtc b1771 is recorded when a malfunction is detected in th ...
Other materials:
How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the lighting system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
If the voltage is below 11 v, recharge or replace the battery
before proceeding.
Refer to pr ...
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 ...
Brk relay
On-vehicle inspection
Inspect brk relay
Remove the brk relay from the engine room no. 1
Relay block.
Measure the resistance of the relay.
Standard resistance
If the result is not as specified, replace the relay. ...
