Toyota RAV4 (XA40) 2013-2018 Service Manual: Open in stop light switch circuit
Description
The skid control ecu detects the brake operating conditions through a signal transmitted by the stop light switch. The skid control ecu incorporates an open circuit detection circuit. This dtc is set under either of the following conditions:
- An open is detected in the stop light signal input line when the stop light switch is off.
- An open is detected in the stop light circuit lead to the ground when the stop light switch is off.
Wiring diagram
Inspection procedure
- Read value of intelligent tester (stop light switch)
- Check the data list for proper functioning of the stop light switch.
Ok: on (brake pedal is depressed) appears on the screen.
- Check wire harness (stp voltage)
- Disconnect the a19 ecu connector.
- Measure the voltage of the wire harness side connector.
Standard voltage 
Replace abs and traction actuator assembly
- Inspect fuse (stop, ecu-ig1)
- Remove the stop fuse and ecu-ig1 fuse from the instrument panel junction block.
- Measure the resistance of the fuse.
Standard resistance:
below 1 
- Inspect stop light control relay (marking: brk)
- Remove the stop light control relay from the engine room no. 1 Relay block.
- Measure the resistance of the relay.
- Inspect stop light switch assembly
- Disconnect the stop light switch connector.
- Measure the resistance of the switch.
Standard resistance 
- Check wire harness (skid control ecu - stop light switch)
- Disconnect the a19 ecu connector.
- Disconnect the a3 switch connector.
- Measure the resistance of the wire harness side connectors.
- Disconnect the a19 ecu connector.
- Disconnect the a3 switch connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance 
- Reconfirm dtc
- Clear the dtc (see page bc-47).
- Check if the same dtc is output (see page bc-47).
Result 
Replace abs and traction actuator assembly
Master cylinder pressure sensor malfunction
Description
The master cylinder pressure sensor is connected to the skid control ecu in
the abs and traction
actuator.
Dtc c1281/81 can be detected when the master cylinder pressure sensor ...
Open in pump motor circuit
Description
The motor relay drives the pump motor based on a signal from the skid control
ecu.
Wiring diagram
Refer to dtc c0273/13, c0274/14, c1361/91 (see page bc-79).
Inspection proce ...
Other materials:
Using the “setup” menu (“bluetooth*” menu)
Registering a bluetooth® device in the system allows the system
to function. The following functions can be used for registered
devices:
Functions and operation procedures
Press the “setup” button and select “bluetooth*” using the
“tune•scroll” knob.
Press the knob and sele ...
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 not operate even if the auto lsd switch is pressed under
the following conditions:
The trc or v ...
Installation
Hint:
Use the same procedures for the rh side and lh side.
The procedures listed below are for the lh side.
Install rear door belt moulding assembly
lh
Attach the claws to install the moulding.
Hint:
Confirm that the moulding is firmly installed.
Install rear door tr ...
