1GR-FE ENGINE CONTROL SYSTEM– SFI SYSTEM
Intelligent Tester Display
Measurement Item: Range (Display)
Normal Condition *
Diagnostic Note
INJECTOR
Injection period of No. 1 cylinder: Min.: 0 ms, Max.: 32.64 ms
1.6 to 2.4 ms: Idling
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IGN ADVANCE
Ignition timing advance for No. 1 cylinder/
Min.: -64 deg., Max.: 63.5 deg.
BTDC 7 to 24°: Idling
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CALC LOAD
Calculated load by ECM: Min.: 0 %, Max.: 100 %
• 11.4 to 16.4 %: Idling
• 13.1 to 18.9 %: Running without load (2,500 rpm)
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VEHICLE LOAD
Vehicle load:
Min.: 0 %, Max.: 25,700 %
Actual vehicle load
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MAF
Air flow rate from MAF meter: Min.: 0 g/sec, Max.: 655.35 g/sec
3.2 to 4.7 g/sec: Idling
13.1 to 18.9 g/sec: 2,500 rpm
If value approximately 0.0 g/sec:
• Mass air flow meter power
source circuit open
• VG circuit open or short
If value 160.0 g/sec or more:
• E2G circuit open
ENGINE SPD
Engine speed:
Min.: 0 rpm, Max.: 16,383.75 rpm
650 to 750 rpm: Idling
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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 value -40°C (-40°F): sensor circuit open
• If value 140°C (284°F) or more: sensor circuit shorted
INTAKE AIR
Intake air temperature: Min.: -40°C, Max.: 140°C
Equivalent to ambient air temperature
• If value -40°C (-40°F): sensor circuit open
• If value 140°C (284°F) or more: sensor circuit shorted
AIR-FUEL RATIO
Air-fuel ratio:
Min.: 0, Max.: 1.999
0.8 to 1.2: During idling
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PURGE DENSITY
Learning value of purge density/ Min.: -50 , Max.: 350
-40 to 0 %: Idling
Service data
EVAP PURGE FLOW
Purge flow:
Min.: 0 %, Max.: 102.4 %EVAP PURGE VSV
EVAP (Purge) VSV control duty: Min.: 0 %, Max.: 100 %
0 to 100 %: During idling
Order signal from ECM
VAPOR PRES PUMP
Vapor pressure: Min.: 33.853 kPa, Max.: 125.596 kPa
Approximately 100 kPa: Ignition switch ON
EVAP system pressure monitored by canister pressure sensor
VAPOR PRES CALC
Vapor pressure: (calculated) Min.: -5.632 kPa,
Max.: 7,153,264 kPa
Approximately 100 kPa: Ignition switch ON
EVAP system pressure monitored by canister 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 released
54 to 86 %: Accelerator pedal fully depressed
-
ACCEL POS #2
Absolute APP No. 2: Min.: 0 %, Max.: 100 %
12 to 42 %: Accelerator pedal released
66 to 98 %: Accelerator pedal fully depressed
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ACCEL POS #1
APP sensor No. 1 voltage: Min.: 0 V, Max.: 5 V
0.5 to 1.1 V: Accelerator pedal released.
2.6 to 4.5t V: Accelerator pedal fully depressed.
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ACCEL POS #2
APP sensor No. 2 voltage: Min.: 0 V, Max.: 5 V
1.2 to 2.0 V: Accelerator pedal released.
3.4 to 5.0 V: Accelerator pedal fully depressed.
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ACCEL IDL POS
Whether or not accelerator pedal position sensor detecting idle: ON or OFF
ON: Idling
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THRTL LEARN VAL
Throttle valve fully closed (learned value):
Min.: 0 V, Max.: 5 V
0.4 to 0.8 V
-
ACCEL SSR #1 AD
Accelerator fully closed value No.1 (AD):
Min.: 0, Max.: 4.9804 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
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ST1
Starter signal: ON or OFF
ON: Cranking
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SYS GUARD 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 value with intrusive operation (active test)THROTTL IDL POS
Whether or not throttle position sensor detecting idle:
ON or OFF
ON: Idling
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THRTL REQ POS
Throttle requirement position: Min.: 0 V, Max.: 5 V
0.5 to 1.0 V: Idling
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THROTTLE POS
Throttle sensor positioning: Min.: 0 %, Max.: 100 %
0 to 10 %: 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 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
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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 5.0 V: Throttle fully open
Read 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.: 4.9804 V
0.6 to 1.0 V
ETCS service data
THROTTLE SSR #2
Throttle sensor opener position No. 2:
Min.: 0 V, Max.: 4.9804 V
2.0 to 2.6 V
ETCS service data
THRTL SSR #1 AD
Throttle sensor opener position No.1 (AD):
Min.: 0 V, Max.: 4.9804 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 value with ignition 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
-
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 INJ VOL or A/F CONTROL function of ACTIVE TEST enables technician to check voltage output of 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 INJ VOL or A/F CONTROL function of ACTIVE TEST enables technician to check voltage output of 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 INJ VOL or A/F CONTROL function of ACTIVE TEST enables technician to check voltage output of 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 INJ VOL or A/F CONTROL function of ACTIVE TEST enables technician to check voltage output of sensor
AFS B2 S1
A/F sensor output current for bank 2 sensor 1:
Min.: -128 mA, Max.: 127.99 mA
-
Performing INJ VOL or A/F CONTROL function of ACTIVE TEST enables technician to check current output of sensor
TOTAL FT #1
Total fuel trim of bank 1 Average value for fuel trim system of bank 1:
Min.: -0.5, Max.: 0.496
-0.2 to 0.2: Idling
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TOTAL FT #2
Total fuel trim of bank 2 Average value for fuel trim system of bank 2:
Min.: -0.5, Max.: 0.496
-0.2 to 0.2: Idling
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SHORT FT #1
Short-term fuel trim of bank 1: Min.: -100 %, Max.: 99.2%
0 +- 20 %
Short-term fuel compensation used to maintain 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 %
Overall fuel compensation carried out in long-term to compensate continual deviation of short-term fuel trim from central value
SHORT FT #2
Short-term fuel trim of bank 2: Min.: -100 %, Max.: 99.2%
0 +- 20 %
Short-term fuel compensation used to maintain air-fuel ratio at stoichiometric air-fuel ratio
LONG FT #2
Long-term fuel trim of bank 2: Min.: -100 %, Max.: 99.2 %
0 +- 20 %
Overall fuel compensation carried out in long-term to compensate continual deviation of short-term fuel trim from central value
FUEL SYS #1
Fuel system status (Bank1): 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 (Bank2): 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 bank 1 sensor 2:
Min.: -100 %, Max.: 99.2 %
-
-
O2FT B2 S2
Short-term fuel trim associated with bank 2 sensor 2:
Min.: -100 %, Max.: 99.2 %
-
-
AF FT B1 S1
Short-term fuel trim associated with 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
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AFS B1 S1
A/F sensor output current for bank 1 sensor 1:
Min.: -128 mA, Max.: 127.99 mA
-
Performing INJ VOL or A/F CONTROL function of ACTIVE TEST enables technician to check current output of sensor
AF FT B2 S1
Short-term fuel trim associated with 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
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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
-
-
S O2S B1 S2
Sub heated oxygen sensor impedance (Bank 1, Sensor 2): Min.: 0 Ω, Max.: 21247.68 Ω
-
-
S O2S B2 S2
Sub heated oxygen sensor impedance (Bank 2, Sensor 2): Min.: 0 Ω, Max.: 21247.68 Ω
-
-
INI COOL TEMP
Initial engine coolant temperature:
Min.: -40°C, Max.: 120°C
Coolant temperature when engine started
Service data
INI INTAKE TEMP
Initial intake air temperature: Min.: -40°C, Max.: 120°C
Intake air temperature when engine started
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
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PS 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
CTP SW
Closed throttle position switch: ON or OFF
ON: Throttle fully closed OFF: Throttle open
-
A/C SIGNAL
A/C signal: ON or OFF
ON: A/C ON
-
PNP SW [NSW]
PNP switch status: ON or OFF
ON: P or N position
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ELECT LOAD SIG
Electrical load signal: ON or OFF
ON: Headlights or defogger turned ON
-
STOP LIGHT SW
Stop light switch: ON or OFF
ON: brake pedal depressed
-
+BM
Whether or not electric throttle control system power inputted: ON or OFF
ON: Ignition switch ON and system normal
-
+BM VOLTAGE
+BM voltage:
Min.: 0, Max.: 19.92182
11 to 14 (V): Ignition switch ON and system normal
ETCS service data
BATTERY VOLTAGE
Battery voltage:
Min.: 0 V, Max.: 65.535 V
11 to 14 V: Idling
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