Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting
Hint:
- Use these procedures to troubleshoot the sliding roof system.
- *: Use the intelligent tester.
- Vehicle brought to workshop
- Inspect battery voltage
Standard voltage: 11 to 14 v
If the voltage is below 11 v, recharge or replace the battery before proceeding.
- Inspect communication function of multiplex communication system (can)*
- Using the intelligent tester, check if the multiplex communication system (can) is functioning normally.
Result 
- Problem symptoms table
Result 
- Overall analysis and troubleshooting
- Data list / active test (see page rf-7)
- Terminals of ecu (see page rf-5)
- On-vehicle inspection (see page rf-9)
- Adjust, repair or replace
- Confirmation test
End
System description
General
This system has the following functions: manual slide
open and close; auto slide open and close; manual tilt up
and down; auto tilt up and down; jam protection; and key
off operation. ...
Initialization
Initialize sliding roof drive gear subassembly
Notice:
When replacing the sliding roof drive gear, the
sliding roof drive gear requires initialization. If a
reset is not executed, the followi ...
Other materials:
Position initialization incomplete
Description
This dtc is output when the sliding roof drive gear (sliding roof ecu) has
not been initialized.
Wiring diagram
Refer to dtc b2341 (see page rf-11).
Inspection procedure
Initialize sliding roof drive gear sub-assembly (sliding roof ecu)
Check that the sliding roof ...
Inspection
Inspect no. 1 Chain tensioner
Check that the plunger moves smoothly when the
ratchet pawl is raised with your finger.
Release the ratchet pawl, then check that the
plunger is locked in place by the ratchet pawl and
does not move when pushed with your finger.
Inspect chain ...
Diagnostic trouble code chart
If a dtc is displayed during the dtc check, check the circuit
listed for the dtc in the table below (refer to the appropriate
page).
Hint:
When the srs warning light remains on and the normal
system code is output, a decrease in the source voltage is
likely to occur. This malfunction is n ...
