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Toyota Tundra (2015 year). Manual - part 1092
TESTER
DISPLAY
MEASUREMENT
ITEM/RANGE
NORMAL CONDITION
DIAGNOSTIC NOTE
A/F Learn Value
Idle #1
Air fuel ratio
learned value for
idling (for Bank
1)/
Min.: -50%, Max.:
49.6%
-20 to +20%
Learning is performed when idling with the
engine warmed up (engine coolant
temperature is 75°C [167°F] or higher).
A/F Learn Value
Low #1
Air fuel ratio
learned value for
low engine loads
(for Bank 1)/
Min.: -50%, Max.:
49.6%
-20 to +20%
Learning is performed when driving with the
engine warmed up (engine coolant
temperature is 75°C [167°F] or higher) and
operating in the low load range (when the
A/F Learn Value
Mid1 #1
Air fuel ratio
learned value for
mid-sized engine
loads 1 (for Bank
1)/
Min.: -50%, Max.:
49.6%
-20 to +20%
Learning is performed when driving with the
engine warmed up (engine coolant
temperature is 75°C [167°F] or higher) and
operating in the midsize load range closer to
the low load range (when the range of
engine loads is divided into four parts).
A/F Learn Value
Mid2 #1
Air fuel ratio
learned value for
mid-sized engine
loads 2 (for Bank
1)/
Min.: -50%, Max.:
49.6%
-20 to +20%
Learning is performed when driving with the
engine warmed up (engine coolant
temperature is 75°C [167°F] or higher) and
operating in the midsize load range closer to
the high load range (when the range of
engine loads is divided into four parts).
A/F Learn Value
High #1
Air fuel ratio
learned value for
high engine loads
(for Bank 1)/
Min.: -50%, Max.:
49.6%
-20 to +20%
Learning is performed when driving with the
engine warmed up (engine coolant
temperature is 75°C [167°F] or higher) and
operating in the high load range (when the
Total FT #1
Total fuel trim of
bank 1/
Min.: -0.5, Max.:
0.496
-0.2 to 0.2: Idling
-
Short FT #2
Short-term fuel
Max.: 99.2%
-20 to +20%
This item refers to the short-term fuel
compensation used to maintain the air fuel
ratio at the stoichiometric air-fuel ratio.
Long FT #2
Long-term fuel
Max.: 99.2%
-20 to +20%
This item refers to the overall fuel
compensation carried out in
long-term to compensate for a
central value.
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: DATA LIST /...