2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–49
ES
ST1Brake pedal signal:
ON or OFFON: Brake pedal depressed -
SYS GUARD JUDGESystem guard:
ON or OFF-ETCS service data
OPN MALFUNCTIONOpen side malfunction:
ON or OFF-ETCS service data
THROTTLE POSThrottle position sensor:
Min.: 0%, Max.: 100 %• 10 to 22 %: Throttle fully
closed
• 66 to 98 %: Throttle fully
open• Calculated value based on
VTA1
• Read value with ignition switch
ON (Do not start engine)
THROTTL IDL POSWhether or not throttle position
sensor detecting idle:
ON or OFFON: Idling -
THRTL REQ POSThrottle requirement position:
Min.: 0 V, Max.: 5 V0.5 to 1.0 V: Idling -
THROTTLE POSThrottle position:
Min.: 0 %, Max.: 100 %• 0 %: Throttle fully closed
• 50 to 80 %: Throttle fully
open• Recognition value for throttle
opening angle on ECM
• Read value with ignition switch
ON (Do not start engine)
THROTTLE POS #2Throttle position No. 2 sensor:
Min.: 0 %, Max.: 100 %• 42 to 62 %: Throttle fully
closed
• 92 to 100 %: Throttle fully
open• Calculated value based on
VTA2
• Read value with ignition switch
ON (Do not start engine)
THROTTLE POS #1Throttle position sensor No. 1
output voltage:
Min.: 0 V, Max.: 4.98 V- ETCS freeze data
THROTTLE POS #2Throttle position sensor No. 2
output voltage:
Min.: 0 V, Max.: 4.98 V- ETCS freeze data
THROTTLE POS #1Throttle position sensor No. 1
output voltage:
Min.: 0 V, Max.: 5 V• 0.5 to 1.1 V: Throttle fully
closed
• 3.3 to 4.9 V: Throttle fully
openRead value with ignition switch ON
(Do not start engine)
THROTTLE POS #2Throttle position sensor No. 2
output voltage:
Min.: 0 V, Max.: 5 V• 2.1 to 3.1 V: Throttle fully
closed
• 4.6 to 5.0 V: Throttle fully
openRead value with ignition switch ON
(Do not start engine)
THRTL COMND VALThrottle position command value:
Min.: 0 V, Max.: 4.9804 V0.5 to 4.9 VRead value with ignition switch ON
(Do not start engine)
THROTTLE SSR #1Throttle sensor opener position
No. 1:
Min.: 0 V, Max.: 4.9804 V-ETCS service data
THROTTLE SSR #2Throttle sensor opener position
No. 2:
Min.: 0 V, Max.: 4.9804 V-ETCS service data
THRTL SSR #1 ADThrottle position sensor No. 1
output voltage (AD):
Min.: 0 V, Max.: 4.9804 V0.5 to 4.9 VRead value with ignition switch ON
(Do not start engine)
THROTTLE MOTWhether or not throttle actuator
control permitted:
ON or OFFON: IdlingRead value with ignition switch ON
(Do not start engine)
THROTTLE MOTThrottle actuator current:
Min.: 0 A, Max.: 80 A0 to 3.0 A: Idling -
THROTTLE MOTThrottle actuator:
Min.: 0 %, Max.: 100 %0.5 to 40 %: Idling -
THROTTLE MOT Throttle actuator current:
Min.: 0 A, Max.: 19.92 A0 to 3.0 A: Idling - Intelligent Tester Display Measurement: Range (Display) Normal Condition*1 Diagnostic Note
ES–502AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
THROTL OPN DUTYThrottle actuator opening duty
ratio:
Min.: 0 %, Max.: 100 %0 to 40 %: During idling• When accelerator pedal
depressed, duty ratio
increased
• Read value with ignition switch
ON (Do not start engine)
THROTL CLS DUTYThrottle actuator closed duty ratio:
Min.: 0 %, Max.: 100 %0 to 40 %: During idling• When accelerator pedal
released quickly, duty ratio
increased
• Read value with ignition switch
ON (Do not start engine)
THRTL MOT (OPN)Throttle actuator duty ratio (open):
Min.: 0 %, Max.: 100 %0 to 40 %: During idling ETCS service data
THRTL MOT (CLS)Throttle actuator duty ratio
(closed):
Min.: 0 %, Max.: 100 %0 to 40 %: During idling ETCS service data
O2S B1 S2Heated oxygen sensor output
voltage for sensor 2:
Min.: 0 V Max.: 1.275 V0.1 to 0.9 V: Driving at 70 km/h
(44 mph)Performing INJ VOL or A/F
CONTROL function of ACTIVE
TEST enables technician to check
output voltage of sensor
AFS B1 S1A/F sensor output voltage for
sensor 1:
Min.: 0 V Max.: 7.999 V2.8 to 3.8 V: IdlingPerforming INJ VOL or A/F
CONTROL function of ACTIVE
TEST enables technician to check
output voltage of sensor
TOTAL FT #1Total fuel trim value for fuel
system:
Min.: -0.5, Max.: 0.496-0.2 to 0.2 -
SHORT FT #1Short-term fuel trim:
Min.: -100 %, Max.: 99.2 %-20 to 20 %Short-term fuel compensation
used to maintain air-fuel ratio at
stoichiometric air-fuel ratio
LONG FT #1Long-term fuel trim:
Min.: -100 %, Max.: 99.2 %-20 to 20 %Overall fuel compensation carried
out in long-term to compensate
continual deviation of short-term
fuel trim from central value
FUEL SYS #1Fuel system status:
OL or CL or OL DRIVE or OL
FAULT or CL FAULTCL: Idling after warming up• OL (Open Loop): Has not yet
satisfied conditions to go
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, which used for fuel
control malfunctioning
O2FT B1 S2Short-term fuel trim associated
with sensor 2:
Min.: -100 %, Max.: 99.2 %--
AF FT B1 S1Short-term fuel trim associated
with 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-
AFS B1 S1A/F sensor current:
Min.: -128 mA, Max.: 127.99 mA--
CAT TEMP B1S1Estimated catalyst temperature
(sensor 1):
Min.: -40
C, Max.: 6,513.5C-- Intelligent Tester Display Measurement: Range (Display) Normal Condition*1 Diagnostic Note
2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–51
ES
CAT TEMP B1S2Estimated catalyst temperature
(sensor 2):
Min.: -40C, Max.: 6,513.5C--
S O2S B1S2Sub heated oxygen sensor
impedance (sensor2):
Min.: 0
, Max.: 21247.68
--
INI COOL TEMPEngine coolant temperature at
engine start:
Min.: -40
C, Max.: 120CClose to ambient air
temperature-
INI INTAKE TEMPIntake air temperature at engine
start:
Min.: -40
C, Max.: 120CClose to ambient air
temperature-
INJ VOLInjection volume (Cylinder 1):
Min.: 0 ml, Max.: 2.048 ml0 to 0.15 ml: IdlingQuantity of fuel injection volume
for 10 times
STARTER SIGStarter switch (STSW) signal:
ON or OFFON: Cranking -
PS SWPower steering signal:
ON or OFFON: Power steering operation -
PS SIGNALPower steering signal (history):
ON or OFFON: When steering wheel first
turned after battery terminals
connectedSignal status usually ON until
battery terminals disconnected
CTP SWClosed throttle position switch:
ON or OFF• ON: Throttle fully closed
• OFF: Throttle open-
A/C SIGNALA/C signal:
ON or OFFON: A/C ON -
PNP SW [NSW]PNP switch status:
ON or OFFON: P or N position -
ELECT LOAD SIGElectrical load signal:
ON or OFFON: Headlights or defogger
turned ON-
STOP LIGHT SWStop light switch:
ON or OFFON: Brake pedal depressed -
+BMWhether or not electric throttle
control system power inputted:
ON or OFFON: Ignition switch ON and
system normal-
+BM VOLTAGE+BM voltage:
Min.: 0, Max.: 19.9229 to 14 (V): Ignition switch ON
and system normalETCS service data
BATTERY VOLTAGEBattery voltage:
Min.: 0 V, Max.: 65.535 V9 to 14 V: Ignition switch ON -
ACTUATOR POWERActuator power supply:
ON or OFFON: Idling ETCS service data
ATM PRESSUREAtmospheric pressure:
Min.: 0 kPa, Max.: 255 kPaApproximately 100 kPa: Ignition
switch ON-
BATTERY CURRENTBattery current:
Min.: -100 A, Max.: 100 A--
BATTERY TEMPBattery temperature:
Min.: -45
C, Max.: 156.4 F--
ALT OUTPUT DUTYGenerator output duty ratio:
Min.: 0 %, Max.: 100 %- During charge control
ALT V NORMALRequest voltage when regulator
not under forced activation:
Min.: 0 V, Max.: 20 VBattery electrolyte temperature
varies (12.5 to 14.8 V) while
driving:
After engine startAlternator regulator output voltage
is out put
When performing Active Test,
value is 0V
ALT V TSTRequest voltage when regulator
under forced activation:
Min.: 0 V, Max.: 20 VRequest instruction voltage
value:
After engine startCharging control service data
When not performing Active Test,
value is 0V
EVAP (Purge) VSVPurge VSV status:
ON or OFF--
FUEL PUMP / SPDFuel pump status:
ON or OFFON: Engine running Active Test support data Intelligent Tester Display Measurement: Range (Display) Normal Condition*1 Diagnostic Note
2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–53
ES
SPD TESTCheck mode result for vehicle
speed sensor:
COMPL or INCMPL--
MISFIRE TESTCheck mode result for misfire
monitor:
COMPL or INCMPL--
OXS1 TESTCheck mode result for HO2
sensor:
COMPL or INCMPL--
A/F SSR TEST B1Check mode result for air-fuel
ratio sensor:
COMPL or INCMPL--
MIL MIL status:
ON or OFFON: MIL ON -
MIL ON RUN DISTMIL ON run distance:
Min.: 0 km, Max.: 65,535 kmDistance after DTC detected -
MIL ON RUN TIMERunning time from MIL ON:
Min.: 0 minutes,
Max.: 65,535 minutesEquivalent to running time after
MIL ON-
ENG RUN TIMEEngine run time:
Min.: 0 seconds,
Max.: 65,535 secondsTime after engine start -
TIME DTC CLEARTime after DTC cleared:
Min.: 0 minutes,
Max.: 65,535 minutesEquivalent to time after DTCs
erased-
DIST DTC CLEARDistance after DTC cleared:
Min.: 0 km, Max.: 65,535 kmEquivalent to drive distance
after DTCs erased-
WU CYC DTC CLEARWarm-up cycle after DTC cleared:
Min.: 0, Max.: 255-Number of warm-up cycles after
DTC cleared
OBD CERT OBD requirement OBD2 -
#CARB CODES Emission related DTCs - Number of emission related DTCs
COMP MONComprehensive component
monitor:
N O T AV L o r AVA I L--
FUEL MONFuel system monitor:
N O T AV L o r AVA I L--
MISFIRE MONMisfire monitor:
N O T AV L o r AVA I L--
O2S (A/FS) HTRO2S (A/FS ) heater monitor:
N O T AV L o r AVA I L--
O2S (A/FS) HTRO2S (A/FS ) heater monitor:
COMPL or INCMPL--
O2S (A/FS) MONO2S (A/FS ) monitor:
N O T AV L o r AVA I L--
O2S (A/FS) MONO2S (A/FS ) monitor:
COMPL or INCMPL--
EVAP MONEVAP monitor:
N O T AV L o r AVA I L--
EVAP MONEVAP monitor:
COMPL or INCMPL--
CAT MONCatalyst monitor:
N O T AV L o r AVA I L--
CAT MONCatalyst monitor:
COMPL or INCMPL--
CCM ENAComprehensive component
monitor:
UNABLE or ENABLE-- Intelligent Tester Display Measurement: Range (Display) Normal Condition*1 Diagnostic Note
2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–55
ES
(c) Turn the tester ON.
(d) Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / ACTIVE TEST.
(e) Perform the ACTIVE TEST by referring to the table
below.
ECM:
Intelligent Tester Displays Test Details Control Ranges Diagnostic Notes
INJ VOL Change injection volume Between -12.5 and 24.8 %• All injectors tested at same
time
• Perform test at less than
3,000 rpm
• Injection volume can be
changed in 0.1 % graduations
within control range
A/F CONTROL Change injection volumeDecrease by 12.5 % or increase
by 24.8 %• 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;
then press YES and ENTER
followed by F4.
EVAP VSV (ALONE) Activate purge VSV control ON/OFF -
VVT B1 Control VVT (bank 1)-128 to 127 %
This value added to present OCV
control duty
100 %: Maximum advance
-100 %: Maximum retardEngine stall or rough idle when
VVT actuator operated by 100 %.
Test possible while vehicle
stopped and engine idling
VVT CTRL B1Turn 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
• Test possible while vehicle
stopped and engine idling
FUEL PUMP / SPDActivate fuel pump (C/OPN
Relay)ON/OFFTest possible when engine
stopped
TC/TE1Turn on and off TC and TE1
connectionON/OFF• ON: TC and TE1 connected
• OFF: TC and TE1
disconnected
FC IDL PROHBT Prohibit idling fuel cut control ON/OFF -
COOLING FAN Control electric cooling fan ON/OFF -
ETCS OPEN SLOW Throttle actuator ON: Throttle valve opens slowly Test possible when following
conditions met:
• Engine stopped
• Shift position in P
• Fully depressing accelerator
pedal (APP: 59
or more) ETCS CLOSE SLOW Throttle actuator ON: Throttle valve closes slowly
ETCS OPEN FAST Throttle actuator ON: Throttle valve opens fast
ETCS CLOSE FAST Throttle actuator ON: Throttle valve closes fast
FUEL CUT #1 Cylinder #1 injector fuel cut ON/OFF
Test possible during vehicle
stopping and engine idling
ON: All cylinder injector fuel cut
and ignition stop FUEL CUT #2 Cylinder #2 injector fuel cut ON/OFF
FUEL CUT #3 Cylinder #3 injector fuel cut ON/OFF
FUEL CUT #4 Cylinder #4 injector fuel cut ON/OFF
FUEL CUT ALL All cylinder injector fuel cut ON/OFF ON: All cylinder injector fuel cut
VACUUM PUMP Leak detection pump ON/OFF -
VENT VALVE Vent valve ON/OFF -
ES–582AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
DIAGNOSTIC TROUBLE CODE CHART
HINT:
Parameters listed in the chart may be different than your
readings depending on the type of instrument and other
factors.
If any DTCs are displayed during a check mode DTC check,
check the circuit for the DTCs listed in the table below. For
details of each DTC, refer to the page indicated.
DTC No. Detection Item Trouble Areas MIL Memory See page
P0010 Camshaft Position
"A" Actuator Circuit
(Bank 1)- Open or short in Oil
Control Valve (OCV)
circuit
- OCV
- ECMComes on DTC storedES-62
P0011 Camshaft Position
"A" - Timing Over-
Advanced or System
Performance (Bank
1)- Valve timing
- OCV
- OCV filter
- Camshaft timing
gear assembly
- ECMComes on DTC storedES-66
P0012 Camshaft Position
"A" - Timing Over-
Retarded (Bank 1)- Same as DTC
P0011Comes on DTC storedES-66
P0016 Crankshaft Position -
Camshaft Position
Correlation (Bank 1
Sensor A)- Mechanical system
(Timing chain has
jumped tooth or chain
stretched)
- ECMComes on DTC storedES-72
P0031 Oxygen (A/F) Sensor
Heater Control Circuit
Low (Bank 1 Sensor
1)- Open in Air-Fuel
Ratio (A/F) sensor
heater circuit
- A/F sensor heater
(sensor 1)
- Integration relay
(EFI MAIN relay)
- ECMComes on DTC storedES-74
P0032 Oxygen (A/F) Sensor
Heater Control Circuit
High (Bank 1 Sensor
1)- Short in A/F sensor
heater circuit
- A/F sensor heater
(sensor 1)
- Integration relay
(EFI MAIN relay)
- ECMComes on DTC storedES-74
P0037 Oxygen Sensor
Heater Control Circuit
Low (Bank 1 Sensor
2)- Open in Heated
Oxygen (HO2)
sensor heater circuit
- HO2 sensor heater
(sensor 2)
- Integration relay
(EFI MAIN relay)
- ECMComes on DTC storedES-80
P0038 Oxygen Sensor
Heater Control Circuit
High (Bank 1 Sensor
2)- Short in HO2 sensor
heater circuit
- HO2 sensor heater
(sensor 2)
- Integration relay
(EFI MAIN relay)
- ECMComes on DTC storedES-80
2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–59
ES
P0100 Mass or Volume Air
Flow Circuit- Open or short in
Mass Air Flow (MAF)
meter circuit
- MAF meter
- ECMComes on DTC storedES-86
P0101 Mass Air Flow Circuit
Range / Performance
Problem- MAF meter
- Air induction system
- PCV hose
connectionsComes on DTC storedES-93
P0102 Mass or Volume Air
Flow Circuit Low
Input- Open or short in
MAF meter circuit
- MAF meter
- ECMComes on DTC storedES-86
P0103 Mass or Volume Air
Flow Circuit High
Input- Open or short in
MAF meter circuit
- MAF meter
- ECMComes on DTC storedES-86
P0110 Intake Air
Temperature Circuit
Malfunction- Open or short in
Intake Air
Temperature (IAT)
sensor circuit
- IAT sensor (built into
MAF meter)
- ECMComes on DTC storedES-96
P0111 Intake Air
Temperature Sensor
Gradient Too High- Mass air flow meter
assemblyComes on DTC storedES-102
P0112 Intake Air
Temperature Circuit
Low Input- Short in IAT sensor
circuit
- IAT sensor (built into
MAF meter)
- ECMComes on DTC storedES-96
P0113 Intake Air
Temperature Circuit
High Input- Open in IAT sensor
circuit
- IAT sensor (built into
MAF meter)
- ECMComes on DTC storedES-96
P0115 Engine Coolant
Temperature Circuit
Malfunction- Open or short in
Engine Coolant
Temperature (ECT)
sensor circuit
- ECT sensor
- ECMComes on DTC storedES-105
P0116 Engine Coolant
Temperature Circuit
Range / Performance
Problem- Thermostat
- ECT sensorComes on DTC storedES-111
P0117 Engine Coolant
Temperature Circuit
Low Input- Short in ECT sensor
circuit
- ECT sensor
- ECMComes on DTC storedES-105
P0118 Engine Coolant
Temperature Circuit
High Input- O p e n i n E C T s e n s o r
circuit
- ECT sensor
- ECMComes on DTC storedES-105
P0120 Throttle Pedal
Position Sensor /
Switch "A" Circuit
Malfunction- Throttle Position
(TP) sensor (built into
throttle body)
- ECMComes on DTC storedES-114
P0121 Throttle / Pedal
Position Sensor /
Switch "A" Circuit
Range / Performance
Problem- TP sensor (built into
throttle body)Comes on DTC storedES-121 DTC No. Detection Item Trouble Areas MIL Memory See page
ES–602AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
P0122 Throttle / Pedal
Position Sensor /
Switch "A" Circuit
Low Input- TP sensor (built into
throttle body)
- Short in VTA1 circuit
- Open in VC circuit
- ECMComes on DTC storedES-114
P0123 Throttle / Pedal
Position Sensor /
Switch "A" Circuit
High Input- TP sensor (built into
throttle body)
- Open in VTA1 circuit
- Open in E2 circuit
- Short between VC
and VTA1 circuits
- ECMComes on DTC storedES-114
P0125 Insufficient Coolant
Temperature for
Closed Loop Fuel
Control- Cooling system
- ECT sensor
- ThermostatComes on DTC storedES-123
P0128 Coolant Thermostat
(Coolant
Temperature Below
Thermostat
Regulating
Temperature)- Thermostat
- Cooling system
- ECT sensor
- ECMComes on DTC storedES-126
P0136 Oxygen Sensor
Circuit Malfunction
(Bank 1 Sensor 2)- Open or short in
HO2 sensor (sensor
2) circuit
- HO2 sensor (sensor
2)
- HO2 sensor heater
(sensor 2)
- Air-Fuel Ratio (A/F)
sensor (sensor 1)
- Integration relay
(EFI MAIN relay)
- Gas leakage from
exhaust systemComes on DTC storedES-129
P0137 Oxygen Sensor
Circuit Low Voltage
(Bank 1 Sensor 2)- Open in HO2 sensor
(sensor 2) circuit
- HO2 sensor (sensor
2)
- HO2 sensor heater
(sensor 2)
- Integration relay
(EFI MAIN relay)
- Gas leakage from
exhaust systemComes on DTC storedES-129
P0138 Oxygen Sensor
Circuit High Voltage
(Bank 1 Sensor 2)- Short in HO2 sensor
(sensor 2) circuit
- HO2 sensor (sensor
2)
- ECM internal circuit
malfunctionComes on DTC storedES-129
P0141 Oxygen Sensor
Heater Circuit
Malfunction (Bank 1
Sensor 2)- Open or short in
HO2 sensor heater
circuit
- HO2 sensor heater
(sensor 2)
- Integration relay
(EFI MAIN relay)
- ECMComes on DTC storedES-80 DTC No. Detection Item Trouble Areas MIL Memory See page