Toyota RAV4 (XA40) 2013-2018 Service Manual: Tc and cg terminal circuit
Description
Dtc output mode is set by connecting terminals tc and cg of the dlc3.
The dtcs are displayed by blinking the srs warning light.
Hint:
- Make sure that dtc b1281 has not been output. If dtc b1281 has been output, refer to the multiplex communication system.
- When each warning light keeps blinking, a ground short in the wiring of terminal tc of the dlc3 or an internal ground short in each ecu is suspected.
Wiring diagram
Inspection procedure
- Check wire harness (dlc3 - ecm)
- Turn the ignition switch off.
- Disconnect the a9 connectors from the center airbag sensor .
- Measure the resistance of the wire harness side connectors.
Standard resistance 
- Check wire harness (cg of dlc3 - body ground)
- Measure the resistance of the wire harness side connectors.
Standard resistance
- Check wire harness (tc of ecm)
- Measure the resistance of the wire harness side connector.
Standard resistance
- Replace ecm
- Replace the ecm.
- Check the dtc of the ecm (see page es-35).
Result 
Repair or replace wire harness or each ecu
Srs warning light does not come on
Description
The srs warning light is located on the combination meter.
When the srs is normal, the srs warning light comes on for approximately 6
seconds after the ignition
switch is turned fro ...
Other materials:
Brake pedal
Components
Removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove instrument panel sub-assembly
Remov ...
Taillight relay circuit
Description
When the light control switch, located on the headlight dimmer switch, is
turned to the tail position, the
taillight relay (marking: t-lp) turns on to illuminate the front side marker
lights, rear taillights, side marker
lights and license plate light.
Wiring diagram
Ins ...
Reassembly
Install sliding roof drive cable
Using a screwdriver, slide the sliding roof drive
cable sub-assemblies in the direction indicated by
the arrow in the illustration to install them.
Hint:
Tape the screwdriver tip before use.
Engage the 2 claws and install the sliding roof ...
