Toyota RAV4 (XA40) 2013-2018 Service Manual: Back-up light circuit
Description
The park / neutral position switch turns on when the shift lever is moved into the r position, causing the back-up lights to illuminate.
Wiring diagram
Inspection procedure
- Inspect fuse (gauge1)
- Remove the gauge1 fuse from the instrument panel junction block.
- Measure the resistance of the fuse.
Standard resistance:
below 1
- Inspect back-up light
- Remove the rear combination light.
- Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 1, then check that the light comes on.
Ok: light comes on.
- Inspect park / neutral position switch
- Disconnect the b26 park / neutral position switch connector.
- Measure the resistance of the switch.
Standard resistance
- check wire harness (park / neutral position switch - battery)
- Disconnect the b26 park / neutral position switch connector.
- Measure the voltage of the wire harness side connector.
Standard voltage
- Check wire harness (park / neutral position switch - back-up light)
- Disconnect the b26 park / neutral position switch connector.
- Disconnect the k12 and k14 rear combination light assembly connectors
- Measure the resistance of the wire harness side connectors.
Standard resistance
Repair or replace harness and connector (back-up light - body ground)
Hazard warning switch circuit
Description
When the hazard warning signal switch is turned on, the turn signal flasher
relay (marking: flsh) in the
main body ecu turns on to flash the hazard warning signal lights.
Wiring diagr ...
Light control switch circuit
Description
This circuit detects the state of the headlight dimmer switch.
Wiring diagram
Inspection procedure
Read value of intelligent tester (main body ecu)
Connect the intelligent ...
Other materials:
Fuel pump control circuit
Description
When the engine is cranked, the starter relay drive signal output from the
star terminal of the ecm is
input into the sta terminal of the ecm, and ne signal generated by the
crankshaft position sensor is also
input into the ne+ terminal. Thus, the ecm interprets that the engine is ...
Antenna location and effective range
Antenna location
Antennas outside the cabin
Antennas inside the cabin
Antenna outside the luggage
compartment
Effective range (areas within which the electronic key is
detected)
When locking or unlocking
the doors
The system can be operated
when the electronic key is with ...
Diagnosis system
Description
Data of the system can be read through the data
link connector 3 (dlc3) of the vehicle.
Therefore, when the system seems to be
malfunctioning, use the intelligent tester to check for
a malfunction and repair it.
Check dlc3
The vehicle's ecm uses iso 157 ...
