Toyota RAV4 (XA40) 2013-2018 Service Manual: System description
- Driver seat belt warning light
- When the driver seat belt is not fastened with the ignition switch on, the driver seat belt warning light on the combination meter comes on to inform the driver. The center airbag sensor detects the driver seat belt status and sends signals to the combination meter through the can bus line.
- Passenger seat belt warning light
- For automatic air conditioning system: when the passenger seat belt is not fastened with the ignition switch on and the passenger seat occupied, check that the passenger seat belt warning light on the heater control panel display blinks. The combination meter detects the passenger seat belt status and whether the passenger seat is occupied.
- For manual air conditioning system: when the passenger seat belt is not fastened with the ignition switch on and the passenger seat occupied, check that the passenger seat belt warning light on the clock panel blinks. The combination meter detects the passenger seat belt status and whether the passenger seat is occupied.
Seat belt warning system
Parts location
System diagram
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How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the seat belt
warning system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
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Other materials:
Can bus line
Description
When any dtc for the can communication system is output, first measure the
resistance between the
terminals of the dlc3 to specify the trouble area, and check that there is not a
short in the can main wire,
between the main wire, to +b, or to gnd.
Wiring diagram
Inspecti ...
For vehicles equipped with catalytic converter caution:
If a large amount of unburned gasoline or gasoline
vapors flow into the converter, it may cause
overheating and create a fire hazard. To prevent this,
observe the following precautions.
Use only unleaded gasoline.
Avoid idling the engine for more than 20 minutes.
Avoid performing unnecess ...
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 ...
