Toyota FJ Cruiser (GSJ 10, 15 series). Manual — part 23
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
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CHECK MODE PROCEDURE
HINT:
Intelligent tester only:
Compared to normal mode, check mode is more sensitive to
malfunctions. Therefore, check mode can detect the
malfunctions that cannot be detected by normal mode.
NOTICE:
All the stored DTCs and freeze frame data are erased if:
1) the ECM is changed from normal mode to check mode
or vice versa; or 2) the ignition switch is turned from ON
to ACC or OFF while in check mode.
Before changing modes, always check and make a note
of any DTCs and freeze frame data.
1.
CHECK MODE PROCEDURE (Using an intelligent
tester)
(a) Check and ensure the following conditions:
(1) Battery voltage 11 V or more
(2) Throttle valve fully closed
(3) Transmission in the P or N positions
(4) A/C switched OFF
(b) Turn the ignition switch OFF.
(c) Connect an intelligent tester to the DLC3.
(d) Turn the ignition switch ON.
(e) Turn the tester ON.
(f)
Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / CHECK MODE.
(g) Switch the ECM from normal mode to check mode.
(h) Make sure the MIL flashes as shown in the
illustration.
(i)
Start the engine.
(j)
Make sure the MIL turns off.
(k) Simulate the conditions of the malfunction described
by the customer.
(l)
Check DTCs and freeze frame data using the tester.
Intelligent Tester
DLC3
CAN VIM
H102157E03
0.13 seconds
0.13 seconds
ON
OFF
A076900E12
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1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
FAIL-SAFE CHART
If any of the following DTCs are set, the ECM enters fail-safe
mode to allow the vehicle to be driven temporarily.
NOTICE:
* The vehicle can be driven slowly when the accelerator
pedal is depressed firmly and slowly. If the accelerator
pedal is depressed quickly, the vehicle may speed up
and slow down erratically.
DTCs
Components
Fail-Safe Operations
Fail-Safe Deactivation
Conditions
P0031, P0032, P0051 and P0052
Air-Fuel Ratio (A/F) Sensor
Heater
ECM turns off A/F sensor heater.
Ignition switch OFF
P0037, P0038, P0057 and P0058
Heated Oxygen (HO2) Sensor
Heater
ECM turns off HO2 sensor heater.
Ignition switch OFF
P0100, P0102 and P0103
Mass Air Flow (MAF) Meter
ECM calculates ignition timing
according to engine speed and
throttle valve position.
Pass condition detected
P0110, P0112 and P0113
Intake Air Temperature (IAT)
Sensor
ECM estimates IAT to be 20
°C
(68
°F).
Pass condition detected
P0115, P0117 and P0118
Engine Coolant Temperature
(ECT) Sensor
ECM estimates ECT to be 80
°C
(176
°F).
Pass condition detected
P0120, P0121, P0122, P0123,
P0220, P0222, P0223, P0604,
P0606, P0607, P0657, P2102,
P2103, P2111, P2112, P2118,
P2119 and P2135
Electronic Throttle Control
System (ETCS)
ECM cuts off throttle actuator
current and throttle valve returned
to 6
° throttle position by return
spring.
ECM then adjusts engine output
by controlling fuel injection
(intermittent fuel-cut) and ignition
timing in accordance with
accelerator pedal opening angle,
to allow vehicle to continue at
minimal speed.*
Pass condition detected and then
ignition switch turned OFF
P0327, P0328, P0332 and P0333
Knock Sensor
ECM sets ignition timing to
maximum retard.
Ignition switch OFF
P0351 to P0356
Igniter
ECM cuts fuel.
Pass condition detected
P2120, P2121, P2122, P2123,
P2125, P2127, P2128 and P2138
Accelerator Pedal Position (APP)
Sensor
APP sensor has 2 sensor circuits:
Main and Sub.
If either of circuits malfunctions,
ECM controls engine using other
circuit.
If both of circuits malfunction,
ECM regards accelerator pedal
as being released. As a result,
throttle valve is closed and engine
idles.
Pass condition detected and then
ignition switch turned OFF
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
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DATA LIST / ACTIVE TEST
1.
DATA LIST
HINT:
By reading the DATA LIST displayed on an intelligent
tester, 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.
NOTICE:
In the table below, the values listed under Normal
Condition are for reference only. Do not depend
solely on these values when determining whether or
not a part is faulty.
(a) Warm up the engine.
(b) Turn the ignition switch OFF.
(c) Connect an intelligent tester to the DLC3.
(d) Turn the ignition switch ON.
(e) Turn the tester ON.
(f)
Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / DATA LIST.
(g) Check the values by referring to the table below.
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
-
IGN ADVANCE
Ignition timing advance for No. 1
cylinder/
Min.: -64 deg., Max.: 63.5 deg.
BTDC 7 to 24
°: Idling
-
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)
-
VEHICLE LOAD
Vehicle load:
Min.: 0 %, Max.: 25,700 %
Actual vehicle load
-
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
-
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
-
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 %
0 to 100 %: Idling
-
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1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
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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
-
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.
-
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.
-
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):
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
-
ST1
Starter signal:
ON or OFF
ON: Cranking
-
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)
Intelligent Tester Display
Measurement Item: Range
(Display)
Normal Condition *
Diagnostic Note
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