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:
If you think
something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact your toyota dealer as
soon as possible.
Visible symptoms
Fluid leaks under the vehicle
(water dripping from the air conditioning after use is normal.)
Flat-looking tires or uneven tire w ...
Center airbag sensor communication stop mode
Description
Wiring diagram
Inspection procedure
Notice:
Turn the ignition switch off before measuring the resistances of the
main wire and the branch
wire.
After the ignition switch is turned off, check that the key reminder
warning system and light
reminder warning system ...
Removal
(2005/11-2006/01)
Remove front wheel
Drain automatic transaxle fluid
Drain the automatic transaxle fluid for u140f (see
page ax-147).
Drain the automatic transaxle fluid for u241e (see
page ax-146).
Remove front axle hub nut (see page ah-6)
Disconnect front speed sensor lh (see page
bc-191) ...
