Toyota 2GR-FE Manual page 640

ES–476
Intelligent Tester
ES
DLC3
CAN VIM
(Vehicle Speed)
31 mph (50 km/h)
Idling
Ignition switch OFF
2GR-FE ENGINE CONTROL SYSTEM – MASS AIR FLOW METER
ON-VEHICLE INSPECTION
1.
C131977E05
*1
Warming up
CHECK MASS AIR FLOW METER
NOTICE:
• Perform the MAF meter inspection by following
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.
(a) Perform confirmation driving pattern.
(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch on (IG).
(3) Turn the tester on.
(4) Clear the DTCs (See page ES-45).
(5) Start the engine and warm it up with all
accessory switches off (until the engine coolant
temperature is 75 °C(167°F) or more).
(6) Drive the vehicle at 31 mph (50 km/h) or more
for 3 minutes or more (*1).
(7) Allow the engine to idle (accelerator pedal
fulley released) for 2 minutes or more (*2).
(8) Perform steps (*1) and (*2) at least 3 times or
more.
*1
*2 *2
*1: 3 minutes or more
*2: 2 minutes or more
(b) Read values using the intelligent tester (LONG
FT#1).
(1) Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / DATA LIST / PRIMARY /
LONG FT#1.
*1
*2
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