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:
Operation check
Illuminated entry system operation check
The illuminated entry system controls the following
lights:
Ignition key cylinder light*1 or transponder key
amplifier*2
Foot light
Map light and room light
Hint:
*1: W/o engine immobiliser system
*2: W/ engine immobiliser ...
Removal
Notice:
Do not heat the vehicle body, emblem and name plate
excessively.
Hint:
When removing the emblem and name plate, heat the vehicle
body, emblem and name plate using a heat light.
Standard heating temperature
Remove no. 1 Back door emblem assembly
Put protective tape aroun ...
Display contents
Following information is displayed
on the multi-information
display.
Driving support system information
Displays recognized signs while the
RSA system (if equipped) is operating.
Displays an image when the following
systems are operating and a
menu icon other than is
selected:
LTA (Lane Traci ...
