Toyota RAV4 (XA40) 2013-2018 Service Manual: Driver side seat belt warning light does not operate
Description
When the ignition switch is on, the center airbag sensor transmits front seat inner belt status signals to the combination meter through the can bus line. If the driver seat belt is not fastened, the combination meter blinks the driver side seat belt warning light. If the seat belt is fastened, the warning light goes off.
Notice:
The seat belt warning system uses the can bus line. Before troubleshooting the seat belt warning system, perform "communication function check" by following "how to proceed with troubleshooting" to confirm that the communication systems are normal.
Wiring diagram
Inspection procedure
- Perform active test using intelligent tester
- Select the active test, use the intelligent tester to generate a control command, and then check that the seat belt warning light operates.
Center airbag sensor:
Ok: driver side seat belt warning light operates normally.
Replace center airbag sensor assembly
On-vehicle inspection
Check driver side seat belt warning light
Turn the ignition switch on.
When the driver side seat belt is not fastened, check
that the combination meter's driver side seat belt
warning l ...
Front passenger side seat belt warning light malfunction
Description
When the ignition switch is on, the center airbag sensor transmits front seat
inner belt status signals to
the combination meter through the can bus line. If the front passenger seat b ...
Other materials:
Seat position airbag sensor circuit malfunction
Description
The seat position sensor circuit consists of the center airbag sensor and the
seat position sensor.
Dtc b1653/35 is recorded when a malfunction is detected in the seat position
sensor circuit.
Wiring diagram
Inspection procedure
Check for dtc
Turn the ...
Diagnostic trouble code chart
Hint:
Parameters listed in the chart may be different than your
readings depending on the type of instrument and other
factors.
If any dtcs are displayed during a check mode dtc check,
check the circuit for the dtcs listed in the table below. For
details of each dtc, refer to the page indica ...
4Wd control ecu communication stop mode
Description
Hint:
For vehicle with 4wd only.
Wiring diagram
Inspection procedure
Notice:
Turn the ignition switch off before measuring the resistances of the
main wire and the branch
wire.
After the ignition switch is turned off, check that the key reminder
warning system ...
