Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSTOYOTA20064RUNNER SR5, 4.7 T, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM SFI (2UZ-FE) - DIAGNOSTICS - INTRODUCTIONDATA LIST/ACTIVE TEST

2006 Toyota 4Runner SR5, 4.7 T, AWD

Data List/Active Test

2006 Toyota 4Runner SR5, 4.7 T, AWDSECTION Data List/Active Test

DATA LIST

HINT:

Using the hand-held tester, DATA LIST allows switch, sensor, actuator and other item values to be read without removing any parts. Reading DATA LIST early in troubleshooting is one way to shorten labor time.

NOTE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

Warm up the engine.
Turn the ignition switch to OFF.
Connect the hand-held tester to the DLC3.
Turn the ignition switch to ON.
Turn the hand-held tester ON.
Enter the following menus: DIAGNOSIS / ENHANCED OBD II / DATA LIST.
According to the display on the tester, perform DATA LIST.

HAND-HELD TESTER DATA LIST

Hand-held Tester Display

Measurement Item/Range (Display)

Normal Condition ⁽¹⁾

Diagnostic Note

INJECTOR

Injection period of the No.1 cylinder:
Min.: 0 ms, Max.: 32.64 ms

2.3 to 3.8 ms: Idling

IGN ADVANCE

Ignition timing advance for No.1 cylinder/
Min.: -64 deg., Max.: 63.5 deg.

BTDC 4 to 17°: Idling

CALC LOAD

Calculated load by ECM:
Min.: 0%, Max.: 100%

11 to 21%: Idling
12 to 22%: Running without load (2,500 rpm)

VEHICLE LOAD

Vehicle load:
Min.: 0%, Max.: 25700%

Actual vehicle load

MAF

Air flow rate from MAF meter:
Min.: 0 g/s, Max.: 655 g/s

2.0 to 3.9 g/s: Idling

If the value approximately 0.0 g/s:

Mass air flow meter power source circuit open
VG circuit open or short
If the value 160.0 g/s or more:
E2G circuit open

ENGINE SPD

Engine speed:
Min.: 0 rpm, Max.: 16,383 rpm

600 +/-50 rpm: Idling

VEHICLE SPD

Vehicle speed:
Min.: 0 km/h, Max.: 255 km/h

Actual vehicle speed

Speed indicated on speedometer

COOLANT TEMP

Engine coolant temperature:
Min.: -40°C, Max.: 140°C

80 to 100°C
(176 to 212°F): After warming up

If the value -40°C (-40°F): sensor circuit open
If the value 140°C (284°F): sensor circuit shorted

INTAKE AIR

Intake air temperature:
Min.: -40°C, Max.: 140°C

Equivalent to ambient air temperature

If the value -40°C (-40°F): sensor circuit open
If the value 140°C (284°F): sensor circuit shorted

SECONDARY AIR

Second air system status:
ON or OFF

ON: Secondary air system operation

AIR-FUEL RATIO

Air-fuel ratio:
Min.: 0, Max.: 1.999

0.8 to 1.2: During idling

EVAP VAPOR PRES

EVAP vapor pressure:
Min.: -8192 Pa, Max.: 8191 Pa

0 Pa: Fuel tank cap removed

PURGE DENSITY

Learning value of purge density/
Min.: -50, Max.: 350

Idling: -40 to 0%

Service data

PURGE FLOW

Purge flow:
Min.: 0% , Max.: 102.4%

0 to 100%: Idling

EVAP PURGE VSV

EVAP (Purge) VSV control duty:
Min.: 0%, Max.: 100%

0 to 100%: During idling

Order signal from ECM

VAPOR PRESS

Vapor pressure:
Min.: -4.125 kPa, Max.: 2.125 kPa

0 kPa: Fuel tank cap removed

Pressure inside fuel tank monitored by the vapor pressure sensor

KNOCK CRRT VAL

Correction learning value of knocking:
Min.: -64 CA, Max.: 1,984 CA

0 to 22 °CA:
Driving, 44 mph (70 km/h)

Service data

KNOCK FB VAL

Feedback value of knocking:
Min.: -64 CA, Max.: 1,984 CA

-22 to 0 °CA
Driving, 44 mph (70 km/h)

Service data

ACCEL POS #1

Absolute Accelerator Pedal Position (APP) No. 1:
Min.: 0%, Max.: 100%

10 to 22%: accelerator pedal is released
54 to 86%: accelerator pedal is fully depressed

ACCEL POS #2

Absolute APP No. 2:
Min.: 0%, Max.: 100%

12 to 42%: accelerator pedal is released
66 to 98%: The accelerator pedal is fully depressed

ACCEL POS #1

APP sensor No. 1 voltage:
Min.: 0 V, Max.: 4.98 V

ETCS freeze data

ACCEL POS #2

APP sensor No. 2 voltage:
Min.: 0 V, Max.: 4.98 V

ETCS freeze data

ACCEL POS #1

APP sensor No. 1 voltage:
Min.: 0 V, Max.: 5 V

0.5 to 1.1 V: accelerator pedal is released.
2.6 to 4.5 V: or pedal is fully depressed.

ACCEL POS #2

APP sensor No. 2 voltage:
Min.: 0 V, Max.: 5 V

1.2 to 2.0 V: accelerator pedal is released.
3.4 to 5.3 V: accelerator pedal is fully depressed.

ACCEL IDL POS

Whether or not accelerator pedal position sensor detecting idle:
ON or OFF

ON: Idling

THRTL LEARN VAL

Throttle valve fully closed (learned value):

0.4 to 0.8 V

ACCEL SSR #1 AD

Accelerator fully closed value No.1 (AD):
Min.: 0, Max.: 4.98 V

ETCS service data

ACCEL LRN VAL#1

Accelerator fully closed learning value No.1:
Min.: 0, Max.: 124.512

ETCS service data

ACCEL LRN VAL#2

Accelerator fully closed learning value No.2:
Min.: 0, Max.: 124.512

ETCS service data

FAIL #1

Whether or not fail safe function executed:
ON or OFF

ON: ETCS has failed

FAIL #2

Whether or not fail safe function executed:
ON or OFF

ON: ETCS has failed

ST1

Starter signal:
ON or OFF

ON: Cranking

SYSGUARD JUDGE

System guard:
ON or OFF

ETCS service data

OPN MALFUNCTION

Open side malfunction:
ON or OFF

ETCS service data

THROTTLE POS

Absolute throttle position sensor:
Min.: 0%, Max.: 100%

10 to 24%: Throttle fully closed
64 to 96%: Throttle fully open

Read the value with intrusive operation (active test)

THROTTL IDL POS

Whether or not throttle position sensor detecting idle:
ON or OFF

ON: Idling

THRTL REQ POS

Throttle requirement position:
Min.: 0 V, Max.: 5 V

0.5 to 1.0 V: Idling

THROTTLE POS

Throttle sensor positioning:
Min.: 0%, Max.: 100%

10 to 18%: Idling

Calculated value based on VTA1

THROTTLE POS #2

Throttle sensor positioning #2:
Min.: 0%, Max.: 100%

Calculated value based on VTA2

THROTTLE POS #1

Throttle position sensor No.1 output voltage:
Min.: 0 V, Max.: 4.9 V

ETCS freeze data

THROTTLE POS #2

Throttle position sensor No.2 output voltage:
Min.: 0 V, Max.: 4.9 V

ETCS freeze data

THROTTLE POS #1

Throttle position No. 1:
Min.: 0 V, Max.: 5 V

0.5 to 1.2 V: Throttle fully closed
3.2 to 4.8 V: Throttle fully opened

THROTTLE POS #2

Throttle position No. 2:
Min.: 0 V, Max.: 5 V

2.0 to 2.9 V: Throttle fully closed
4.6 to 5.5 V: Throttle fully open

Read the value with intrusive operation (active test)

THRTL COMND VAL

Throttle position command value:
Min.: 0 V, Max.: 4.98 V

0.5 to 4.8 V

ETCS service data

THROTTLE SSR #1

Throttle sensor opener position No. 1:
Min.: 0 V, Max.: 4.98 V

0.6 to 0.9 V

ETCS service data

THROTTLE SSR #2

Throttle sensor opener position No. 2:
Min.: 0 V, Max.: 4.98 V

2.2 to 2.6 V

ETCS service data

THRTL SSR #1 AD

Throttle sensor opener position No.1 (AD):
Min.: 0 V, Max.: 4.98 V

0.6 to 0.9 V

ETCS service data

THROTTLE MOT

Whether or not throttle motor control permitted:
ON or OFF

ON: Idling

Read the value with the power switch ON (Do not start engine)

THROTTLE MOT

Throttle motor current:
Min.: 0 A, Max.: 80 A

0 to 3.0 A: Idling

THROTTLE MOT

Throttle motor:
Min.: 0%, Max.: 100%

0.5 to 40%: Idling

THROTTLE MOT

Throttle motor current:
Min.: 0 A, Max.: 19.92 A

0 to 3.0 A: Idling

THROTL OPN DUTY

Throttle motor opening duty ratio:
Min.: 0%, Max.: 100%

0 to 40%: During idling

When accelerator pedal depressed, duty ratio increased

THROTL CLS DUTY

Throttle motor closed duty ratio:
Min.: 0%, Max.: 100%

0 to 40%: During idling

When accelerator pedal released quickly, duty ratio increased

THRTL MOT (OPN)

Throttle motor duty ratio (open):
Min.: 0%, Max.: 100%

ETCS service data

THRTL MOT (CLS)

Throttle motor duty ratio (close):
Min.: 0%, Max.: 100%

ETCS service data

O2S B1 S2

Heated oxygen sensor output voltage for bank 1 sensor 2:
Min.: 0 V, Max.: 1.275 V

0.1 to 0.9 V:
Driving 44 mph (70 km/h)

Performing the INJ VOL or A/F CONTROL function of the ACTIVE TEST enables the technician to check voltage output of the sensor

O2S B2 S2

Heated oxygen sensor output voltage for bank 2 sensor 2:
Min.: 0 V, Max.: 1.275 V

0.1 to 0.9 V:
Driving 44 mph (70 km/h)

Performing the INJ VOL or A/F CONTROL function of the ACTIVE TEST enables the technician to check voltage output of the sensor

AFS B1 S1

A/F sensor output voltage for bank 1 sensor 1:
Min.: 0 V, Max.: 7.999 V

2.8 to 3.8 V: Idling

Performing the INJ VOL or A/F CONTROL function of the ACTIVE TEST enables the technician to check voltage output of the sensor

AFS B2 S1

A/F sensor output voltage for bank 2 sensor 1:
Min.: 0 V, Max.: 7.999 V

2.8 to 3.8 V: Idling

Performing the INJ VOL or A/F CONTROL function of the ACTIVE TEST enables the technician to check voltage output of the sensor

TOTAL FT #1

Total fuel trim of bank 1 Average value for fuel trim system of bank 1:
Min.: -0.5, Max.: 1,496

-0.2 to 0.2: Idling

TOTAL FT #2

Total fuel trim of bank 2 Average value for fuel trim system of bank 2:
Min.: -0.5, Max.: 1,496

-0.2 to 0.2: Idling

SHORT FT #1

Short-term fuel trim of bank 1:
Min.: -100%, Max.: 99.2%

0 +/- 20%

This item the short-term fuel compensation used to maintain the air-fuel ratio at stoichiometric air-fuel ratio

SHORT FT #2

Short-term fuel trim of bank 2:
Min.: -100%, Max.: 99.2%

0 +/- 20%

This item the short-term fuel compensation used to maintain the air-fuel ratio at stoichiometric air-fuel ratio

LONG FT #1

Long-term fuel trim of bank 1:
Min.: -100%, Max.: 99.2%

0 +/- 20%

This item the overall fuel compensation carried out in long-term to compensate a continual deviation of the short-term fuel trim from the central value

LONG FT #2

Long-term fuel trim of bank 2:
Min.: -100%, Max.: 99.2%

0 +/- 20%

This item the overall fuel compensation carried out in long-term to compensate a continual deviation of the short-term fuel trim from the central value

FUEL SYS #1

Fuel system status (Bank 1):
OL or CL or OL DRIVE or OL FAULT or CL FAULT

CL: Idling after warming up

OL (Open Loop): Has not yet satisfied conditions to go closed loop
CL (Closed Loop): Using heated oxygen 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 heated oxygen sensor, which used for fuel control malfunctioning

FUEL SYS #2

Fuel system status (Bank 2):
OL or CL or OL DRIVE or OL FAULT or CL FAULT

CL: Idling after warming up

OL (Open Loop): Has not yet satisfied conditions to go closed loop
CL (Closed Loop): Using heated oxygen 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 heated oxygen sensor, which used for fuel control malfunctioning

O2FT B1 S2

Short-term fuel trim associated with the bank 1 sensor 2:
Min.: -100%, Max.: 99.2%

0 +/- 20%

Same as SHORT FT #1

O2FT B2 S2

Short-term fuel trim associated with the bank 2 sensor 2:
Min.: -100%, Max.: 99.2%

0 +/- 20%

Same as SHORT FT #1

AF FT B1 S1

Short-term fuel trim associated with the bank 1 sensor 1:
Min.: 0, Max.: 1.999

Value less than 1 (0.000 to 0.999) = LEAN
Stoichiometric air-fuel ratio=1
Value greater than 1 (1.001 to 1.999) = RICH

AF FT B2 S1

Short-term fuel trim associated with the bank 2 sensor 1:
Min.: 0, Max.: 1.999

Value less than 1 (0.000 to 0.999) = LEAN
Stoichiometric air-fuel ratio=1
Value greater than 1 (1.001 to 1.999) = RICH

CAT TEMP B1S1

Catalyst temperature (Bank 1, Sensor 1):
Min.: -40, Max.: 6,513.5 °C

CAT TEMP B2S1

Catalyst temperature (Bank 2, Sensor 1):
Min.: -40, Max.: 6,513.5 °C

CAT TEMP B1S2

Catalyst temperature (Bank 1, Sensor 2):
Min.: -40, Max.: 6,513.5 °C

CAT TEMP B2S2

Catalyst temperature (Bank 2, Sensor 2):
Min.: -40, Max.: 6,513.5 °C

INI COOL TEMP

Initial engine coolant temperature:
Min.: -40°C, Max.: 140°C

Close to ambient air temperature

Service data

INI INTAKE TEMP

Initial intake air temperature:
Min.: -40°C, Max.: 140°C

Close to ambient air temperature

Service data

INJ VOL

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

0 to 0.5 ml

Quantity of fuel injection volume for 10 times

STARTER SIG

Starter signal: ON or OFF

ON: Cranking

PS SW

Power steering signal:
ON or OFF

ON: Power steering operation

PS SIGNAL

Power steering signal:
ON or OFF

ON: When steering wheel first turned after ignition switch turned to ON

This signal status usually ON until ignition switch turned to OFF

CTP SW

Closed throttle position switch:
ON or OFF

ON: Throttle fully closed
OFF: Throttle open

A/C SIG

A/C signal: ON or OFF

ON: A/C ON

ELECT LOAD SIG

Electrical load signal:
ON or OFF

ON: Headlights or defogger is turned ON

STOP LIGHT SW

Stop lamp switch:
ON or OFF

ON: brake pedal is depressed.

+BM

Whether or not electric throttle control system power inputted:
ON or OFF

ON: Idling

+BM VOLTAGE

+BM voltage:
Min.: 0, Max.: 19.92

10 to 15 V: Idling

ETCS service data

BATTERY VOLTAGE

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

9 to 14 V: Idling

ACTUATOR POWER

Actuator power supply:
ON or OFF

ON: Idling

ETCS service data

ATM PRESSURE

Atmospheric pressure:
Min.: 0 kPa, Max.: 150 kPa

Equivalent to atmospheric pressure (absolute pressure)

SECOND AIR VSV

Secondary air injection system status

ON: Secondary air injection system operation

ACT VSV

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

Active Test support data

EVAP (Purge) VSV

VSV status for EVAP control:
ON or OFF

Active Test support data

FUEL PUMP / SPD

Fuel pump/speed status:
ON or OFF

Active Test support data

VVT CTRL B1

VVT control status (Bank 1):
ON or OFF

Active Test support data

VVT CTRL B2

VVT control status (Bank 2):
ON or OFF

Active Test support data

VACUUM PUMP

Key-off EVAP system pump status:
ON or OFF

Active Test support data

EVAP VENT VAL

Key-off EVAP system vent valve status:
ON or OFF

Active Test support data

TC/TE1

TC and TE1 terminal of DLC3:
ON or OFF

VVTL AIM ANGL #1

VVT aim angle (Bank 1):
Min.: 0%, Max.: 100%

0%: Idling

VVT duty signal value during intrusive operation

VVTL AIM ANGL #2

VVT aim angle (Bank 2):
Min.: 0%, Max.: 100%

0%: Idling

VVT duty signal value during intrusive operation

VVT CHNG ANGL #1

VVT change angle (Bank 1):
Min.: 0°FR, Max.: 60°FR

0 to 5°FR: Idling

Displacement angle during intrusive operation

VVT CHNG ANGL #2

VVT change angle (Bank 2):
Min.: 0°FR, Max.: 60°FR

0 to 5°FR: Idling

Displacement angle during intrusive operation

VVT OCV DUTY B1

VVT OCV operation duty (Bank 1):
Min.: 0%, Max.: 100%

0%: Idling

Requested duty value for intrusive operation

VVT OCV DUTY B2

VVT OCV operation duty (Bank 2):
Min.: 0%, Max.: 100%

0%: Idling

Requested duty value for intrusive operation

FC IDL

Fuel cut idle:
ON or OFF

ON: Fuel cut operation

FC IDL = "ON" when throttle valve fully closed and engine speed over 2,800 rpm

FC TAU

Fuel cut TAU: Fuel cut during very light load:
ON or OFF

ON: Fuel cut operating

The fuel cut being performed under very light load to prevent the engine combustion from becoming incomplete

IGNITION

Ignition counter:
Min.: 0, Max.: 800

0 to 800

CYL #1, #2, #3, #4, #5, #6, #7, #8

Misfire ratio of the cylinder 1 to 8:
Min.: 0, Max.: 255

This item displayed in only idling

CYL ALL

All cylinders misfire rate:
Min.: 0, Max.: 255

0 to 35

MISFIRE RPM

Engine RPM for first misfire range:
Min.: 0 rpm, Max.: 6,375 rpm

0 rpm: Misfire 0

MISFIRE LOAD

Engine load for first misfire range:
Min.: 0 g/rev, Max.: 3.98 g/rev

0 g/rev: Misfire 0

MISFIRE MARGIN

Misfire monitoring:
MIn.: -100%, Max.: 99.22%

-100 to 99.2%

Misfire detecting margin

#CODES

#Codes:
Min.: 0, Max.: 255

Number of detected DTCs

CHECK MODE

Check mode:
0: ON, 1: OFF

ON: Check mode ON

See CHECK MODE PROCEDURE

SPD TEST

Check mode result for vehicle speed sensor:
0: COMPL, 1: INCOMPL

AS TEST

Check mode result for secondary air injection system:
0: COMPL, 1: INCOMPL

MISFIRE TEST

Check mode result for misfire monitor:
0: COMPL, 1: INCOMPL

OXS1 TEST

Check mode result for HO2 sensor (Bank 1):
0: COMPL, 1: INCOMPL

OXS2 TEST

Check mode result for HO2 sensor (Bank 2):
0: COMPL, 1: INCOMPL

A/F SSR TEST B1

Check mode result for air-fuel ratio sensor (Bank 1):
0: COMPL, 1: INCOMPL

A/F SSR TEST B2

Check mode result for air-fuel ratio sensor (Bank 2):
0: COMPL, 1: INCOMPL

MIL

MIL status:
ON or OFF

ON: MIL ON

MIL ON RUN DIST

MIL ON Run Distance:
Min.: 0 second, Max.: 65,535 seconds

Distance after DTC detected

MIL ON RUN TIME

Running time from MIL ON:
Min.: 0 minute, Max.: 65,535 minutes

Equivalent to running time after MIL was ON

ENG RUN TIME

Engine run time:
Min.: 0 second, Max.: 65,535 seconds

Time after engine start

Service data

TIME DTC CLEAR

Time after DTC cleared:
Min.: 0 minute, Max.: 65,535 minutes

Equivalent to time after DTCs were erased

DIST DTC CLEAR

Distance after DTC cleared:
Min.: 0 km/h, Max.: 65535 km/h

Equivalent to drive distance after DTCs were erased

WU CYC DTC CLEAR

Warm-up cycle after DTC cleared:
Min.: 0, Max.: 255

Number of warm-up cycles after DTC cleared

MODEL CODE

Model code:

Identifying the model code: UCK30 (2WD), UCK40 (4WD)

ENGINE TYPE

Engine type:

Identifying the engine type: 2UZFE

CYLINDER NUMBER

Cylinder number:
Min.: 0, Max.: 255

Identifying the cylinder number: 8

TRANSMISSION

Transmission type:

Identifying the transmission type: ECT(5AT)

DESTINATION

Destination

Identifying the destination: A (America)

MODEL YEAR

Model year:
Min.: 0, Max.: 255

Identifying the model year: 200#

SYSTEM

System identification

Identifying the engine system: GASLIN (gasoline engine)

AI STATUS

AI operation prohibit:
OK or NG

⁽¹⁾	If no conditions are specifically stated for "ldling", the shift lever is in the N or P position, the A/C switch is OFF and all accessory switches are OFF.

ACTIVE TEST

HINT:

Performing ACTIVE TEST using the hand-held tester allows the relay, VSV, actuator and so on to operate without parts removal. Performing the ACTIVE TEST as first step of troubleshooting is one of the methods to shorten labor time.

It is possible to display DATA LIST during ACTIVE TEST.

Warm up the engine.
Turn the ignition switch to OFF.
Connect the hand-held tester to the DLC3.
Turn the ignition switch to ON.
Turn the hand-held tester ON.
Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST.
According to the display on the tester, perform the ACTIVE TEST.

HAND-HELD TESTER DATA LIST

Hand-held Tester Display	Test Details		Diagnostic Note
INJ VOL	Change injection volume	Between -12% and 25%	All injectors tested at the same time Perform test at less than 3,000 rpm Injection volume can be changed in 1% graduations within control range
A/F CONTROL	Change injection volume	Lower by 12.5 % or increase by 25 %	Perform test at less than 3,000 rpm A/F CONTROL enables checking and graphing of A/F (Air Fuel Ratio) sensor and Heated Oxygen (HO2) sensor voltage outputs To conduct test, select following menu items: ACTIVE TEST / A/F CONTROL / USER DATA / AFS B1S1 and O2S B1S2, and press YES and ENTER followed by F4
EVAP VSV (ALONE)	Activate EVAP VSV control	ON/OFF	-
VVT CTRL B1	Turn on and off OCV (Oil Control Valve)	ON/OFF	Engine stalls or idles roughly when OCV turned ON Normal engine running or idling when OCV off
VVT CTRL B2	Turn on and off OCV (Oil Control Valve)	ON/OFF	Engine stalls or idles roughly when OCV turned ON Normal engine running or idling when OCV off
A/C CUT SIG	Control A/C cut signal	ON/OFF	-
FUEL PUMP/SPD	Activate fuel pump (C/OPN Relay)	ON/OFF	-
TC/TE1	Turn on and off TC and TE1 connection	ON/OFF	ON: TC and TE1 connected OFF: TC and TE1 disconnected
FC IDL PROHBT	Prohibit idling fuel cut control	ON/OFF	-
ETCS OPEN SLOW	Throttle actuator	ON: throttle valve opens slowly	This test is possible when the following conditions are met: Ignition switch ON Engine does not start Fully depressing accelerator pedal (APP: 58 degrees or more)
ETCS CLOSE SLOW	Throttle actuator	ON: throttle valve closes slowly	Same as above
ETCS OPEN FAST	Throttle actuator	ON: throttle valve opens fast	Same as above
ETCS CLOSE FAST	Throttle actuator	ON: throttle valve closes fast	Same as above
FUEL CUT #1	Cylinder #1 injector fuel cut	ON/OFF	This test is possible during vehicle stopping and engine idling.
FUEL CUT #2	Cylinder #2 injector fuel cut	ON/OFF	Same as above
FUEL CUT	#3 Cylinder #3 injector fuel cut	ON/OFF	Same as above
FUEL CUT	#4 Cylinder #4 injector fuel cut	ON/OFF	Same as above
FUEL CUT	#5 Cylinder #5 injector fuel cut	ON/OFF	Same as above
FUEL CUT	#6 Cylinder #6 injector fuel cut	ON/OFF	Same as above
FUEL CUT	#7 Cylinder #7 injector fuel cut	ON/OFF	Same as above
FUEL CUT	#8 Cylinder #8 injector fuel cut	ON/OFF	Same as above
VENT VALVE (ALONE)	Activate vent valve (built into pump module)	ON/OFF	-
VCUUM PUMP	Activate vacuum pump (built into pump module)	ON/OFF	-

SYSTEM CHECK

HINT:

Performing a SYSTEM CHECK enables the system, which consists of multiple actuators, to be operated without removing any parts. In addition, it can show whether or not any DTCs are set, and can detect potential malfunctions in the system. The SYSTEM CHECK can be performed with a hand-held tester.

Connect a hand-held tester to the DLC3.
Turn the ignition switch to ON.
Turn the tester ON.
Select the following menu items: DIAGNOSIS / ENHANCED OBD II / SYSTEM CHECK.
Perform the SYSTEM CHECK by referring to the table below.

HAND-HELD TESTER MENU DESCRIPTION

Hand-held Tester Displays	Test Details	Recommended Fuel Temperatures	Diagnostic Notes
EVAP SYS CHECK (AUTO OPERATION)	Perform 5 steps in order to operate EVAP key-off monitor automatically	35°C (95°F) or less	If no DTCs in PENDING CODE after performing this test, system functioning normally Refer to EVAP INSPECTION PROCEDURE
EVAP SYS CHECK (MANUAL OPERATION)	Perform 5 steps in order to operate EVAP key-off monitor manually	35°C (95°F) or less	Used to detect malfunctioning parts Refer to EVAP INSPECTION PROCEDURE
AI INJ CHECK (AUTO OPERATION)	Perform 6 steps in order to operate air injection system automatically	-	If no DTCs in PENDING CODE after performing this test, system functioning normally
AI INJ CHECK (MANUAL OPERATION)	Perform 8 operations in order to operate air injection system monitor manually	-	Used to detect malfunctioning parts

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.