Toyota RAV4 (XA40) 2013-2018 Service Manual: Downhill assist control indicator light does not come on
Description
Refer to the description of "downhill assist control indicator light remains on" (see page bc-156).
Wiring diagram
Refer to the downhill assist control indicator light circuit (see page bc-157).
Inspection procedure
- Check can communication system
- Check if the can communication system dtc is output (see page ca-34)
Result 
- Read value of intelligent tester (downhill assist control switch)
- Check the data list for proper functioning of the downhill assist control switch.
Ok: on (downhill assist control switch is on) appears on the screen.
- Perform active test by intelligent tester (dac indicator light)
- Select the active test, generate a control command, and then check that the downhill assist control indicator light operates.
Ok: the downhill assist control indicator light turns on and off.
- Inspect combination meter
- Inspect the combination meter (see page me-15).
Replace abs and traction actuator assembly
- Inspect downhill assist control switch
- Remove the downhill assist control switch.
- Measure the resistance of the switch.
Standard resistance 
- Check wire harness (control switch - skid control ecu and body ground)
- Disconnect the a19 ecu connector.
- Disconnect the e31 switch connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance 
Replace abs and traction actuator assembly
Downhill assist control indicator light remains on
Description
When the downhill assist control switch is pushed on, the downhill assist
control function is available and
the downhill assist control indicator light illuminates.
Hint:
Even if the ...
Auto lsd indicator light remains on
Description
This is the auto lsd switch for 2wd. When the auto lsd switch is pushed on,
the auto lsd function is
available and the auto lsd indicator light illuminates.
Hint:
The auto lsd does n ...
Other materials:
Purpose of readiness tests
The on-board diagnostic (obd ii) system is designed to
monitor the performance of emission related components,
and indicate any detected abnormalities with dtc
(diagnostic trouble codes). Since various components
need to be monitored during different driving conditions,
the obd ii syste ...
Inspection
Inspect no. 1 Chain tensioner
Check that the plunger moves smoothly when the
ratchet pawl is raised with your finger.
Release the ratchet pawl, then check that the
plunger is locked in place by the ratchet pawl and
does not move when pushed with your finger.
Inspect chain ...
If your vehicle has to be stopped in an emergency
Only in an emergency, such
as if it becomes impossible
to stop the vehicle in the
normal way, stop the vehicle
using the following procedure:
Stopping the vehicle
1. Steadily step on the brake
pedal with both feet and
firmly depress it.
Do not pump the brake pedal
repeatedly as this will increase t ...
