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:
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:
11 to 14 v
If the voltage is below 11 v, recharge or replace the battery
before proceeding.
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Front speed sensor
Components
Removal
Hint:
Use the same procedures for the lh side and rh side.
The procedures listed below are for the lh side.
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery termin ...
Occupant classification sensor power supply circuit malfunction
Description
The occupant classification sensor power supply circuit consists of the
occupant classification ecu and
the occupant classification sensors.
Dtc b1793 is recorded when a malfunction is detected in the occupant
classification sensor power
supply circuit.
Wiring diagram
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