Toyota Tundra. Manual — part 1140

Coolant Temp Min.:-40°C, Max.:

120°C

when engine started

Initial Intake
Air Temp

Initial intake air
temperature:
Min.: -40°C,
Max.: 120°C

Intake air temperature
when engine started

Service data

Injection
Volume
(Cylinder1)

Injection volume
(Cylinder 1):
Min.: 0 ml, Max.:
2.048 ml

0.005 to 0.015 ml:
Idling

Quantity of fuel injection volume for 10
times (Port and Direct)

Air pump
pressure
(absolute)

Air pump pressure
(absolute):
Min.: 0 kPa, Max.:
320 kPa

Atmospheric pressure
+2.5 kPa or more: Air
pump ON, Air
switching valve open
Close to atmospheric
pressure: Air pump
OFF, Air switching
valve close

(See DTC P2440 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK OPEN BANK 1;
DTC P2441 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK CLOSE BANK 1;
DTC P2442 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK OPEN BANK 2;
DTC P2443 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK CLOSED BANK 2 )

Air Pump
Pulsation
Pressure

Air pump
pulsation pressure:
Min.: 0 kPa, Max.:
639.9 kPa

-

Cumulative pulsation pressure
calculated by ECM (See DTC P2440
SECONDARY AIR INJECTION
SYSTEM SWITCHING VALVE
STUCK OPEN BANK 1; DTC P2441
SECONDARY AIR INJECTION
SYSTEM SWITCHING VALVE
STUCK CLOSE BANK 1; DTC
P2442 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK OPEN BANK 2;
DTC P2443 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK CLOSED BANK 2 )

Air Pump2
Pressure
(Absolute)

Air pump 2
pressure
(absolute):
Min.: 0 kPa, Max.:
320 kPa

Atmospheric pressure
+2.5 kPa or more: Air
pump 2 ON, Air
switching valve open
Close to atmospheric
pressure: Air pump 2
OFF, Air switching
valve close

(See DTC P2440 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK OPEN BANK 1;
DTC P2441 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK CLOSE BANK 1;
DTC P2442 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK OPEN BANK 2;
DTC P2443 SECONDARY AIR
INJECTION SYSTEM SWITCHING

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra

VALVE STUCK CLOSED BANK 2 )

Air Pump2
Pulsation
Pressure

Air pump 2
pulsation pressure:
Min.: 0 kPa, Max.:
639.9 kPa

-

Cumulative pulsation pressure
calculated by ECM (See DTC P2440
SECONDARY AIR INJECTION
SYSTEM SWITCHING VALVE
STUCK OPEN BANK 1; DTC P2441
SECONDARY AIR INJECTION
SYSTEM SWITCHING VALVE
STUCK CLOSE BANK 1; DTC
P2442 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK OPEN BANK 2;
DTC P2443 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK CLOSED BANK 2 )

ACC Relay

ACC relay status:
ON or OFF

ON: Cranking

-

Starter Relay

Starter relay
status:
ON or OFF

ON: Cranking

-

Starter Signal

Starter signal:
ON or OFF

ON: Cranking

-

Starter
Control

Starter switch
status:
ON or OFF

ON: Cranking

-

Power
Steering
Switch

Power steering
switch:
ON or OFF

ON: Power steering
operation

-

Power
Steering
Signal

Power steering
signal (history):
ON or OFF

ON: When steering
wheel first turned after
battery terminals
connected

This signal status usually ON until
battery terminals disconnected

Closed
Throttle
Position SW

Closed throttle
position switch:
ON or OFF



ON: Throttle
fully closed



OFF: Throttle
open

-

A/C Signal

A/C switch status:
ON or OFF

ON: A/C ON

-

Neutral
Position SW
Signal

PNP switch status
ON or OFF

ON: P or N position

-

Electrical
Load Signal

Electrical load
signal:
ON or OFF

ON: Headlights or
defogger turned ON

-

Stop Light

Stop light switch ON: Brake pedal

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra

Switch

status:
ON or OFF

depressed

-

Fuel Cut
Condition

Fuel cut condition
ON or OFF

ON: Fuel cut operating

-

+BM Voltage

+BM voltage:
Min.: 0, Max.:
19.922

10 to 15: Idling

-

Battery
Voltage

Battery voltage:
Min.: 0, Max.:
65.535 V

11 to 14 V: Idling

-

Actuator
Power Supply

Actuator power
supply:
ON or OFF

ON: Idling

-

Atmospheric
Pressure

Atmospheric
pressure:
Min.: 0 kPa, Max.:
255 kPa

Equivalent to
atmospheric pressure
(absolute pressure)

-

ACIS VSV

VSV status for
ACIS control:
ON or OFF

-

Active Test support data

Secondary Air
Control VSV

VSV status for
secondary air
control:
ON or OFF

-

Active Test support data

ACT VSV

A/C cut status for
Active Test:
ON or OFF

-

Active Test support data

VVT Control
Status (Bank
1)

VVT control
(bank 1) status:
ON or OFF

-

Active Test support data

EVAP Purge
VSV

VSV status for
EVAP control:
ON or OFF

-

Active Test support data

Fuel
Pump/Speed
Status

Fuel pump/status:
ON or OFF

-

Active Test support data

Vacuum
Pump

Key-OFF EVAP
system leak
detection pump
status:
ON or OFF

-

Active Test support data

EVAP System
Vent Value

key-OFF EVAP
system vent valve
status:
ON or OFF

-

Active Test support data

TC and CG (TE1)

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra

TC and TE1

terminals of
DLC3:
ON or OFF

-

Active Test support data

AI Operation
Prohibit

Secondary air
injection system
operation
prohibition:
OK or NG

-

(See DTC P2440 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK OPEN BANK 1;
DTC P2441 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK CLOSE BANK 1;
DTC P2442 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK OPEN BANK 2;
DTC P2443 SECONDARY AIR
INJECTION SYSTEM SWITCHING
VALVE STUCK CLOSED BANK 2 )

Engine Speed
of Cyl #1

Engine RPM for
cylinder 1:
Min.: 0 RPM,
Max.: 25600 RPM

-

Output only when Check the Cylinder
Compression is performed using Active
Test

Engine Speed
of Cyl #2

Engine RPM for
cylinder 2:
Min.: 0 RPM,
Max.: 25600 RPM

-

Output only when Check the Cylinder
Compression is performed using Active
Test

Engine Speed
of Cyl #3

Engine RPM for
cylinder 3:
Min.: 0 RPM,
Max.: 25600 RPM

-

Output only when Check the Cylinder
Compression is performed using Active
Test

Engine Speed
of Cyl #4

Engine RPM for
cylinder 4:
Min.: 0 RPM,
Max.: 25600 RPM

-

Output only when Check the Cylinder
Compression is performed using Active
Test

Engine Speed
of Cyl #5

Engine RPM for
cylinder 5:
Min.: 0 RPM,
Max.: 25600 RPM

-

Output only when Check the Cylinder
Compression is performed using Active
Test

Engine Speed
of Cyl #6

Engine RPM for
cylinder 6:
Min.: 0 RPM,
Max.: 25600 RPM

-

Output only when Check the Cylinder
Compression is performed using Active
Test

Av Engine
Speed of All
Cyl

Engine RPM for
all cylinders:
Min.: 0 RPM,
Max.: 25600 RPM

-

Output only when Check the Cylinder
Compression is performed

VVT Aim
Angle (Bank
1)*4

VVT aim angle
(bank 1):
Min.: 0%, Max.:

0 to 100%: Idling

VVT duty signal value during intrusive
operation

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra