Toyota RAV4 (XA40) 2013-2018 Service Manual: Control module communication bus off
Description
The power steering ecu receives signals from the ecm and the skid control ecu
via the can
communication system.
Hint:
- When 2 or more dtcs starting with [u] are output simultaneously, inspect the connectors and wire harness of each ecu.
- If dtc u0105/41 is output, first erase the dtcs. Then turn the ignition switch from off to on. If dtc u0105/41 is not output again, there is no malfunction.
Wiring diagram
Inspection procedure
- Reconfirm dtc
- Check for dtc.
Ok: dtc is not output.
Go to can communication system
Assist map number un-writing
Description
The power steering ecu outputs this dtc when it determines that the assist
map is not written in the
ecu.
Hint:
The assist map data is written in the power steering ecu to contro ...
Eps warning light circuit
Description
If the power steering ecu detects a malfunction, the p/s warning light comes
on. At this time, the power
steering ecu stores a dtc in its memory.
Wiring diagram
Inspection proced ...
Other materials:
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) ...
Replacement
Replace timing chain cover oil seal
Using a screwdriver and hammer, tap out the oil
seal.
Place the oil seal retainer on wooden blocks.
Apply multi-purpose grease to the lip of a new oil
seal.
Notice:
Keep the lip free of foreign objects.
Using sst and a hammer, tap in a ...
Compressor circuit
Description
When the a/c switch is turned on, the magnetic clutch on signal is sent from
the air conditioning
amplifier. Then the mg clt relay turns on to operate the magnetic clutch.
Wiring diagram
Inspection procedure
Inspection procedure
Perform active test by intelligent tester (a ...
