Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting

Toyota RAV4 (XA40) 2013-2018 Service Manual / Supplemental restraint system / Occupant classification system / How to proceed with troubleshooting

Hint:

Use the following procedures to troubleshoot the occupant classification system.
*: Use the intelligent tester.

Vehicle brought to workshop

Passenger airbag on/off indicator check

Dtc check (present and past dtc)*

Check for dtcs (see page rs-249 ).

Result

Dtc chart

Repair or replacement

Dtc clearance (present and past dtcs)*

Clear the dtcs (see page rs-249).

Dtc check (present and past dtcs)*

Check for dtcs (see page rs-249 ).

Result

Problem symptoms simulation

Check the passenger airbag on/off indicator condition (see page rs-246).

Result

Confirmation test

End

System description

General The front passenger occupant classification system judges whether the front passenger seat is occupied or not in accordance with the seat belt buckle status; and whether the sea ...

Initialization

Zero point calibration Notice: Make sure that the front passenger seat is not occupied before performing the operation. Hint: Perform the zero point calibration and sensitivity check if any ...

Other materials:

Using an anchor bracket (for top tether strap)
■ Anchor brackets (for top tether strap) Anchor brackets are provided for each rear seat. Use anchor brackets when fixing the top tether strap. Outboard rear seats Anchor brackets Top tether strap Center rear seat Anchor bracket Top tether strap ■ Fixing the top tether strap to the an ...

Dtc check / clear
Check dtc Dtcs which are stored in the ecm can be displayed with the intelligent tester. The intelligent tester can display pending dtcs and current dtcs. Some dtcs are not stored unless a malfunction is detected in consecutive driving cycles. When a malfunction is detected ...

Compressor lock sensor circuit
Description This sensor sends 1 pulse per engine revolution to the air conditioning amplifier. If the ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the air conditioning amplifier turns the compressor off, and the indicator blinks at appro ...