Toyota Tundra (2015 year). Manual — part 1864
TESTER DISPLAY
MEASUREMENT ITEM
DIAGNOSTIC NOTE
Air Conditioner FB
Val
Compensation flow
rate according to air
conditioner load
For use when engine stall, starting problems or rough idle is
present.
PS Feedback Val
Compensation flow
rate according to
power steering load
For use when engine stall, starting problems or rough idle is
present.
Low Revolution
Control
Low engine speed
control operation state
For use when engine stall, starting problems or rough idle is
present.
Neutral Control
Neutral control
operation state
For use when engine stall, starting problems or rough idle is
present.
N Range Status
Shift lever N status
For use when engine stall, starting problems or rough idle is
present.
Eng Stall Control
FB Flow
Intake air
compensation flow
rate
For use when engine stall, starting problems or rough idle is
present.
Deposit Loss Flow
Flow loss due to
deposits
For use when engine stall, starting problems or rough idle is
present.
Fuel Pump Duty
Fuel pump duty
-
Injector (Port)
-
Injection Volum
(Cylinder 1)
Injection volume
-
Vacuum Pump
Key-off EVAP system
leak detection pump
status
Refer to EVAP System
.
Current Fuel Type
-
EVAP (Purge) VSV
EVAP purge VSV duty
ratio
-
Evap Purge Flow
air volume
-
Purge Density
Learn Value
Learning value of
purge density
-
EVAP System Vent
Value
Key-off EVAP system
vent valve status
-
EVAP Purge VSV
EVAP Purge VSV
-
Purge Cut VSV
Duty
Purge VSV duty
-
Target Air-Fuel
Ratio
Ratio compared to
stoichiometric level
-
AF Lambda B1S1
Output air fuel ratio
associated with Bank 1
Sensor 1
-
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: FREEZE F...
TESTER DISPLAY
MEASUREMENT ITEM
DIAGNOSTIC NOTE
AF Lambda B2S1
Output air fuel ratio
associated with Bank 2
Sensor 1
-
AFS Voltage B1S1
A/F sensor output
voltage
Performing Control the Injection Volume or Control the Injection
AFS Voltage B2S1
A/F sensor output
voltage
Performing Control the Injection Volume or Control the Injection
AFS Current B1S1 A/F sensor current
-
AFS Current B2S1 A/F sensor current
-
A/F Heater Duty
#1
A/F heater duty ratio
(for Bank 1)
-
A/F Heater Duty
#2
A/F heater duty ratio
(for Bank 2)
-
O2S B1S2
Heated oxygen sensor
output
Performing Control the Injection Volume or Control the Injection
O2S B2S2
Heated oxygen sensor
output
Performing Control the Injection Volume or Control the Injection
O2S Impedance
B1S2
Sub heated oxygen
sensor impedance (for
Sensor 2)
-
O2S Impedance
B2S2
Sub heated oxygen
sensor impedance (for
Sensor 2)
-
O2 Heater B1S2
Heated oxygen sensor
heater
-
O2 Heater B2S2
Heated oxygen sensor
heater
-
O2 Heater Curr
Val B1S2
Heated oxygen sensor
current
-
O2 Heater Curr
Val B1S2
Heated oxygen sensor
current
-
Short FT #1
Short-term fuel trim
Short-term fuel compensation used to maintain air-fuel ratio at
stoichiometric air-fuel ratio.
Long FT #1
Long-term fuel trim
Overall fuel compensation carried out in long-term to
A/F Learn Value
Idle #1
Air fuel ratio learn
-
A/F Learn Value
Low #1
Air fuel ratio learn
-
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TESTER DISPLAY
MEASUREMENT ITEM
DIAGNOSTIC NOTE
A/F Learn Value
Mid1 #1
Air fuel ratio learn
-
A/F Learn Value
Mid2 #1
Air fuel ratio learn
-
A/F Learn Value
High #1
Air fuel ratio learn
-
Total FT #1
Total fuel trim
-
Short FT #2
Short-term fuel trim
Short-term fuel compensation used to maintain air-fuel ratio at
stoichiometric air-fuel ratio.
Long FT #2
Long-term fuel trim
Overall fuel compensation carried out in long-term to
A/F Learn Value
Idle #2
Air fuel ratio learn
-
A/F Learn Value
Low #2
Air fuel ratio learn
-
A/F Learn Value
Mid1 #2
Air fuel ratio learn
-
A/F Learn Value
Mid2 #2
Air fuel ratio learn
-
A/F Learn Value
High #2
Air fuel ratio learn
-
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
closed loop.
CL (Closed Loop): Using heated oxygen sensor as
feedback for fuel control.
OLDrive: Open loop due to driving conditions (fuel
enrichment).
OLFault: Open loop due to detected system fault.
CLFault: Closed loop but heated oxygen sensor, which
is used for fuel control, is malfunctioning.
Fuel System
Status #2
Fuel system status (for
Bank 2)
OL (Open Loop): Has not yet satisfied conditions to go
closed loop.
CL (Closed Loop): Using heated oxygen sensor as
feedback for fuel control.
OLDrive: Open loop due to driving conditions (fuel
enrichment).
OLFault: Open loop due to detected system fault.
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: FREEZE F...
TESTER DISPLAY
MEASUREMENT ITEM
DIAGNOSTIC NOTE
CLFault: Closed loop but heated oxygen sensor, which
is used for fuel control, is malfunctioning.
Air pump pressure
(Absolute)
Air pump pressure
-
Air Pump2
Pressure
(Absolute)
Air pump pressure
(Bank 2)
-
Air Pump
Pulsation Pressure
Air pump pulsation
pressure
-
Air Pump2
Pulsation Pressure
Air pump pulsation
pressure (Bank 2)
-
Secondary Air
Control VSV
Secondary air injection
system status
-
2nd Air System
Status
Second air system
status
-
AI Test
Secondary air injection
system operation
prohibit
-
IGN Advance
Ignition advance
-
Subfreezing
Conditions
Subfreezing Conditions
-
Air Pump Freeze
Air Pump Freeze
-
Air Switching
Valve Freeze
Air Switching Valve
Freeze
-
Air Switching
Valve2 Freeze
Air Switching Valve2
Freeze
-
Air Pump Heater
Air Pump Heater
-
IGN Advance
IGN Advance
-
Knock Feedback
Value
Feedback value of
knocking
-
Knock Correct
Learn Value
Correction learning
Idle Spark Advn
Ctrl #1
Individual cylinder
timing advance
compensation amount
(No. 1)
For use when engine stall, starting problems or rough idle is
present.
Idle Spark Advn
Ctrl #2
Individual cylinder
timing advance
compensation amount
(No. 2)
For use when engine stall, starting problems or rough idle is
present.
Idle Spark Advn
Ctrl #3
Individual cylinder
timing advance
compensation amount
(No. 3)
For use when engine stall, starting problems or rough idle is
present.
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