Toyota RAV4 (XA40) 2013-2018 Service Manual: Mass air flow meter
Components
Mil circuit
Description
The mil (malfunction indicator lamp) is used to indicate vehicle malfunction
detections by the ecm.
When the ignition switch is turned on, power is supplied to the mil circuit, and
...
On-vehicle inspection
Notice:
Perform the maf meter inspection according to the
procedures below.
Only replace the maf meter when both the long
ft#1 value and maf value in the data list (with the
engine stopped ...
Other materials:
Starter relay circuit high
Description
While the engine is being cranked, the positive battery voltage is applied to
terminal sta of the ecm. If
the ecm detects the starter control (sta) signal while the vehicle is being
driven, it determines that there
is a malfunction in the sta circuit. The ecm then illuminates ...
Traction control switch (for 2wd)
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 traction control switch (auto lsd switch)
...
Tc and cg terminal circuit
Description
Connecting terminals tc and cg of the dlc3 causes the skid control ecu to
display 2-digit dtcs by
flashing the abs warning light.
Wiring diagram
Inspection procedure
Check dlc3 (tc voltage)
Turn the ignition switch on.
Measure the voltage of the dlc3.
Standar ...
