Toyota RAV4 (XA40) 2013-2018 Service Manual: 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) are not within the normal operating range.
- Inspect mass air flow meter
- Perform confirmation driving pattern.
- Connect the intelligent tester to the dlc3.
- Turn the ignition switch on.
- Turn the tester on.
- Clear the dtcs (see page es-35).
- Start the engine and warm it up with all accessory switches off until the engine coolant temperature is 75°c (167°f) or more.
- Drive the vehicle at 50 km/h (31 mph) or more for 3 to 5 minutes*1.
- Allow the engine to idle for 2 minutes*2.
- Perform steps *1 and *2 at least 3 times.
- Read the value using the intelligent tester (long ft#1).
- Select the following menu items: diagnosis / enhanced obd ii / data list / primary / long ft#1.
- Read the values displayed on the tester.
Standard value: within -15 to +15%
If the result is not within the specified range, perform the inspection below.
- Read the value using the intelligent tester (maf).
Notice:
- Turn off the engine.
- Perform the inspection with the vehicle indoors and on a level surface.
- Perform the inspection of the maf meter while it is installed to the air cleaner case (installed to the vehicle).
- During the test, do not use the exhaust air duct to perform suction on the exhaust pipe.
- Turn the ignition switch to acc.
- Turn the ignition switch on (do not run the engine).
- Turn the tester on.
- Select the following menu items: diagnosis / enhanced obd ii / data list / primary / maf.
- Wait 30 seconds, and read the values on the intelligent tester.
Standard condition: less than 0.45 G/sec.
- If the result is not as specified, replace the maf meter.
- If the result is within the specified range, inspect the cause of the extremely rich or lean air-fuel ratio (see page es-147).
Mass air flow meter
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 pretensi ...
Other materials:
Lda
(lane departure alert)
Summary of function
While driving on a road that has lane markers, this system recognizes
the lane markers using a camera as a sensor to alert the driver when
the vehicle deviates from its lane.
If the system judges that the vehicle may deviate from its lane, it alerts
the driver using beepin ...
Stuck in deceleration sensor
Description
The skid control ecu receives signals from the yaw rate and deceleration
sensor via the can
communication system.
The yaw rate sensor has a built-in deceleration sensor and detects the vehicle's
condition using 2 circuits
(gl1: g sensor 1, gl2: g sensor 2).
If there is t ...
Problem symptoms table
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "suspected area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Re ...
