Toyota RAV4 (XA40) 2013-2018 Service Manual: Vehicle stability control system
- Precaution
- Parts location
- System description
- How to proceed with troubleshooting
- Check for intermittent problems
- Calibration
- Test mode procedure
- Problem symptoms table
- Terminals of ecu
- Diagnosis system
- Dtc check / clear
- Freeze frame data
- Fail-safe chart
- Data list / active test
- Diagnostic trouble code chart
- Solenoid circuit
- Open in abs solenoid relay circuit
- Engine control system malfunction
- Ecm communication circuit malfunction
- Abs control system malfunction
- Steering angle sensor circuit malfunction
- Stuck in deceleration sensor
- Low battery positive voltage
- Master cylinder pressure sensor malfunction
- Open in stop light switch circuit
- Open in pump motor circuit
- Brake pedal load sensing switch
- Steering angle sensor zero point malfunction
- Different diameter tire malfunction
- Downhill assist control operation switch (test mode dtc)
- Control module communication bus off
- Abs warning light remains on
- Abs warning light does not come on
- Vsc warning light remains on
- Vsc warning light does not come on
- Brake warning light remains on
- Brake warning light does not come on
- Slip indicator light remains on
- Slip indicator light does not come on
- Downhill assist control indicator light remains on
- Downhill assist control indicator light does not come on
- Auto lsd indicator light remains on
- Auto lsd indicator light does not come on
- Skid control buzzer circuit
- Tc and cg terminal circuit
- Ts and cg terminal circuit
Brake control
...
Precaution
Troubleshooting precaution
When there are malfunctions in the contact points of
the terminals or installation problems with any parts,
removal and installation of the suspected problem
...
Other materials:
Steering gear
Components
Removal
Position front wheels facing straight
ahead
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
...
Control module communication bus off
Description
Inspection procedure
The skid control ecu inputs the signals from the ecm, steering angle sensor,
and yaw rate and
acceleration sensor via can communication system.
Check harness and connector (momentary interruption)
Using the data list of the intelligent test ...
Short in motor circuit
Description
The power steering ecu supplies current to the power steering motor through
this circuit.
Inspection procedure
Reconfirm dtc
Check for dtc.
Ok:
dtc is not output.
Replace power steering ecu ...
