Content .. 1084 1085 1086 1087 ..
Toyota Tundra (2015 year). Manual - part 1086
TESTER DISPLAY
MEASUREMENT ITEM
DIAGNOSTIC NOTE
learned value that is the same as "Long FT #2" indicates
the current engine operating range.
A/F Learn Value
Idle #2
Air fuel ratio learned
value for idling (for
Bank 2)
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 #2
Air fuel ratio learned
value for low engine
loads (for Bank 2)
Learning is performed when driving with the engine warmed up
(engine coolant temperature is 75°C [167°F] or higher) and
A/F Learn Value
Mid1 #2
Air fuel ratio learned
value for mid-sized
engine loads 1 (for
Bank 2)
Learning is performed when driving with the engine warmed up
(engine coolant temperature is 75°C [167°F] or higher) and
operating in the mid-size load range closer to the low load range
Mid2 #2
Air fuel ratio learned
value for mid-sized
engine loads 2 (for
Bank 2)
Learning is performed when driving with the engine warmed up
(engine coolant temperature is 75°C [167°F] or higher) and
operating in the mid-size load range closer to the high load range
High #2
Air fuel ratio learned
value for high engine
loads (for Bank 2)
Learning is performed when driving with the engine warmed up
(engine coolant temperature is 75°C [167°F] or higher) and
Total FT #2
Total fuel trim
-
Fuel System
Status #1
Fuel system status
(for Bank 1)
OL (Open Loop): Has not yet satisfied conditions to go to
closed loop.
CL (Closed Loop): Using A/F sensor as feedback for fuel
control.
OL Drive: Open loop due to driving conditions (fuel
enrichment).
OL Fault: Open loop due to detected system fault.
CL Fault: Closed loop but A/F sensor, used for fuel control,
malfunctioning.
Fuel System
Status #2
Fuel system status
(for Bank 2)
OL (Open Loop): Has not yet satisfied conditions to go to
closed loop.
CL (Closed Loop): Using A/F sensor as feedback for fuel
control.
OL Drive: Open loop due to driving conditions (fuel
enrichment).
OL Fault: Open loop due to detected system fault.
CL Fault: Closed loop but A/F sensor, used for fuel control,
malfunctioning.
Air pump
pressure
(Absolute)
Air pump pressure
(for Bank 1)
-
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: FREEZE FR...