Data List / Active Test

DATA LIST

HINT:

By reading the DATA LIST displayed on an intelligent tester or OBD II scan tool, you can check values, including those of the switches, sensors, and actuators, without removing any parts. Reading the DATA LIST as the first step of troubleshooting is one method of shortening diagnostic time.

NOTE: In the table below, the values listed under Normal Conditions are for reference only. Do not depend solely on these values when determining whether or not a part is faulty.

Warm up the engine.
Turn the ignition switch to OFF.
Connect an intelligent tester or OBD II scan tool to the DLC3.
Turn the ignition switch to ON.
Turn the tester or scan tool ON.
If using an intelligent tester, select the following menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST.
If using an OBD II scan tool, refer to the instruction information.

Check the values by referring to the table below.

DATA LIST

Intelligent Tester Displays

Measurement Items: Ranges (Display)

Normal Conditions ⁽¹⁾

Diagnostic Notes

INJECTOR

Injection period of No. 1 cylinder: Min.: 0 ms, Max.: 32.6 ms

1.1 to 2.5 ms: Idling

IGN ADVANCE

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

BTDC 8 to 20 deg: Idling

IAC DUTY RATIO

Idle Air Control (IAC) valve duty ratio Opening ratio rotary solenoid type IAC valve: Min.: 0 %, Max.: 99 %

25 to 45 %: Idling 12.3 to 17.9 %: Running without load (2,500 rpm)

CALC LOAD

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

11.3 to 20.0 %: Idling
11.5 to 17.9 %: Running without load (2,500 rpm)

MAF

Air flow rate from Mass Air Flow (MAF) meter: Min.: 0 gm/s, Max.: 665.35 gm/s

1.4 to 2.3 gm/s: Idling
5.4 to 7.9 gm/s: Running without load (2,500 rpm)

If value is approximately 0.0 gm/s:

MAF meter power source circuit open
VG circuit open or shorted

If value is 271.0 gm/s or more:

E2G circuit open

ENGINE SPD

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

650 to 750 rpm: Idling

COOLANT TEMP

Engine coolant temperature: Min.: -40°C (-40°F) Max.: 140°C (284°F)

80 to 95°C (176 to 203°F): After warming up engine

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

INTAKE AIR

Intake air temperature: Min.: - 40°C (-40°F) Max.: 140°C (284°F)

Equivalent to ambient air temperature

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

THROTTLE POS

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

8 to 18 %: Throttle fully closed
64 to 98 %: Throttle fully open

Read value with ignition switch ON (Do not start engine)

CTP SW

Closed throttle position switch: ON or OFF

ON: Throttle fully closed
OFF: Throttle open

VEHICLE SPD

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

Same as speedometer reading

O2S B1 S1

Heated Oxygen (HO2) sensor output voltage for bank 1 sensor 1: Min.: 0 V, Max.: 1.275 V

0.1 to 0.9 V: Idling

Performing either Active Test INJ VOL or A/F CONTROL, enables HO2 sensor voltage output to be checked

O2S B1 S2

HO2 sensor output voltage for bank 1 sensor 2: Min.: 0 V, Max.: 1.275 V

0.1 to 0.9 V: Driving (31 mph, 50 km/h)

Performing either Active Test INJ VOL or A/F CONTROL, enables HO2 sensor voltage output to be checked

VAPOR PRESS

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

0 kPa: Fuel tank cap removed

SHORT FT #1

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

0 +- 20 %

Short-term fuel compensation used to maintain air-fuel ratio at stoichiometric levels

LONG FT #1

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

0 +- 20 %

Overall long-term fuel compensation that helps maintain air-fuel ratio at stoichiometric levels (moderates long-term deviations of short-term fuel trim from central value)

TOTAL FT #1

Total fuel trim of bank 1: Min.: 0.5, Max.: 1.496

0.5 to 1.4: Idling

O2FT B1 S1

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

0 +- 20 %

Same as SHORT FT #1

O2FT B1 S2

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

0 +- 20 %

FUEL SYS #1

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

CL: Idling with warm engine

OL (Open Loop): Conditions for closed loop not yet satisfied
CL (Closed Loop): Using HO2 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 HO2 sensor used for fuel control malfunctioning

FC IDL

Fuel cut idling: ON or OFF

ON: Fuel cut operation

ON: Throttle valve fully closed and engine speed 1,500 rpm or more

MIL

MIL status: ON or OFF

ON: MIL ON

O2 LR B1 S1

Response time of HO2 sensor, from lean to rich for bank 1 sensor 1: Min.: 0 ms, Max.: 16,711 ms

0 to 1,000 ms: Idling with warm engine

O2 RL B1 S1

Response time of HO2 sensor, from rich to lean for bank 1 sensor 1: Min.: 0 ms, Max.: 16,711 ms

0 to 1,000 ms: Idling with warm engine

STARTER SIG

Starter signal: ON or OFF ON:

Cranking

A/C SIG

A/C signal: ON or OFF

ON: A/C ON

PNP SW [NSW]

Park/neutral position switch signal: ON or OFF

ON: P or N position

ELECT LOAD SIG

Electrical load signal: ON or OFF

ON: Taillight switch ON
ON: Defogger switch ON

STOP LIGHT SW

Stop light switch: ON or OFF

ON: Brake pedal depressed
OFF: Brake pedal released

PS OIL PRESS SW

Power steering oil pressure switch signal: ON or OFF

ON: While turning steering wheel
OFF: While not turning steering wheel

ON: Idle-up control activated

PS SIGNAL

Power steering signal: ON or OFF

When steering wheel is turned

This signal status usually ON until ignition switch turned OFF

FUEL PUMP / SPD

Fuel pump/speed status: ON/H, OFF/M or L

ON: Idling

A/C MAG CLUTCH

A/C magnet clutch status: ON or OFF

ON: A/C magnet clutch ON

EVAP VSV

EVAP VSV: ON or OFF

ON: VSV operation

EVAP VSV controlled by ECM (ground side duty control)

VVT CTRL B1

VVT control status (bank 1): ON or OFF

ON: VVT system operation

IGNITION

Ignition counter: Min.: 0, Max.: 400

0 to 400

CYL #1, #2, #3, #4

Misfire ratio of cylinder 1 to 4: Min.: 0 %, Max.: 50 %

0 %

Only displayed when idling

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

O2 LR B1 S2

Response time of Heated Oxygen (HO2) sensor, from lean to rich for bank 1 sensor 2: Min.: 0 ms, Max.: 16,711 ms

0 to 1,000 ms: Idling with warm engine

FC TAU

Fuel cut will very light load: ON or OFF

ON: Fuel cut operation

Fuel cut performed under very light load to prevent incomplete engine combustion

O2 RL B1 S2

Response time of HO2 sensor, from rich to lean for bank 1 sensor 2: Min.: 0 ms, Max.: 16,711 ms

0 to 1,000 ms: Idling with warm engine

#CODES

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

Number of detected DTCs

CHECK MODE

Check mode: ON or OFF

ON: Check mode ON

See CHECK MODE PROCEDURE

⁽¹⁾	If no idling conditions are specified, the transmission gear selector lever should be in the N or P position, and the A/C switch and all accessory switches should be OFF.

ACTIVE TEST

HINT:

Performing an ACTIVE TEST enables components including the relays, VSV (Vacuum Switching Valve), and actuators, to be operated without removing any parts. The ACTIVE TEST can be performed with an intelligent tester. Performing an ACTIVE TEST as the first step of troubleshooting is one method of shortening diagnostic time.

DATA LIST can be displayed during ACTIVE TESTs.

Connect an intelligent tester to the DLC3.
Turn the ignition switch to ON.
Turn the tester ON.
Select the following menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST.

Perform the ACTIVE TEST by referring to the table below.

ACTIVE TEST

Intelligent Tester Displays	Test Details	Control Ranges	Diagnostic Notes
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 front and rear Heated Oxygen (HO2) sensor voltage outputs To conduct test, select following menu items: ACTIVE TEST / A/F CONTROL / USER DATA / O2S B1S1 and O2S B1S2, and press YES and ENTER followed by F4
IAC DUTY RATIO	Control IAC duty ratio	Between 0 % and 90 %	Perform test under following conditions: Engine speed: Idling Vehicle speed: 0 mph (0 km/h) Battery voltage: 8.5 V or more
CAN CTRL VSV	Activate VSV for canister control	ON/OFF	-
TANK BYPASS VSV	Activate VSV for tank bypass	ON/OFF	-
EVAP VSV (ALONE)	Activate EVAP VSV control	ON/OFF	-
A/C MAG CLUTCH	Activate A/C magnet clutch	ON/OFF	-
FUEL PUMP/SPD	Activate fuel pump (C/OPN Relay)	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
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	-

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 an intelligent tester.

Connect an intelligent 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.

SYSTEM CHECK

Intelligent 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 SYSTEM
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 SYSTEM