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:
System description
General
The air conditioning system has the following
features:
The air conditioning amplifier controls the
operation of parts, such as the a/c compressor,
automatically in accordance with the operating
conditions of the air conditioning system.
Mode position and damper ...
Short in front driver side pretensioner squib circuit
Description
The driver side front pretensioner squib circuit consists of the center
airbag sensor and the front seat
outer belt lh.
This circuit instructs the srs to deploy when the deployment conditions are met.
These dtcs are recorded when a malfunction is detected in the front prete ...
Solar sensor circuit (passenger side)
Description
The solar sensor, which is installed on the upper side of the instrument
panel, detects sunlight and
controls the air conditioning auto mode. The output voltage from the solar
sensor varies in accordance
with the amount of sunlight. When the sunlight increases, the output volt ...
