2007 TOYOTA SIENNA Service Repair Manual

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Page 825 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–43
ES
5. DLC3 (Data Link Connector 3)
(a) The vehicle's ECM uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 co

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–43
ES
5. DLC3 (Data Link Connector 3)
(a) The vehicle's ECM uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
operate the ignition switch, any other switches
or the doors.
HINT:
The DLC3 is the interface prepared for reading
various data from the vehicle's ECM. After
connecting the cable of an intelligent tester, turn the
ignition switch to the ON position and turn the tester
ON.
• If a communication failure message is displayed
on the tester screen (on the tester: UNABLE TO
CONNECT TO VEHICLE), a problem exists in
either the vehicle or tester. In order to identify the
location of the problem, connect the tester to
another vehicle.
• If communication is normal: Inspect the DLC3 on
the original vehicle.
• If communication is impossible: The problem is
probably in the tester itself. Consult the Service
Department listed in the instruction manual.
6. BATTERY VOLTAGE
Battery Voltage:
11 to 14 V
If the voltage is below 11 V, recharge the battery before
proceeding to the next step.
7. MIL (Malfunction Indicator Lamp)
(a) The MIL is illuminated when the ignition switch is
first turned to the ON position (the engine is not
running).
H100769E16
Symbols Terminal No. Names Reference terminals Results Conditions
SIL 7 Bus "+" line 5 - Signal ground Pulse generation During transmission
CG 4 Chassis ground Body ground Below 1
Always
SG 5 Signal ground Body ground Below 1
Always
BAT 16 Battery positive Body ground 10 to 14 V Always
CANH 6 CAN "High" line 14 - CANL 54 to 69
Ignition switch off*
CANH 6 CAN "High" line Battery positive 200 or more
Ignition switch off*
CANH 6 CAN "High" line 4 - CG 200 or more
Ignition switch off*
CANL 14 CAN "Low" line Battery positive 6 k or higher
Ignition switch off*
CANL 14 CAN "Low" line 4 - CG 6 k or higher
Ignition switch off*

Page 826 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–442GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(b) The MIL should turn off when the engine is started.
If the MIL remains illuminated, the diagnosis system
has detected a malfunction or abn

Page 827 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–45
ES
DTC CHECK / CLEAR
NOTICE:
All the stored DTCs and freeze frame data are erased if:
1) the ECM is changed from normal mode to check mode
or vic

Page 828 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – CRANKSHAFT POSITION SENSORES–513
ES
ENGINE
2GR-FE ENGINE CONTROL SYSTEM
CRANKSHAFT POSITION SENSOR
COMPONENTS
A162204E01

Page 829 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–5142GR-FE ENGINE CONTROL SYSTEM – CRANKSHAFT POSITION SENSOR
ES
REMOVAL
1. REMOVE COMPRESSOR AND MAGNETIC CLUTCH
HINT:
(See page AC-227 )
2. REMOVE CRANKSHAFT POSITION SENSOR
(a) Disconnect t

Page 830 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–462GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
FREEZE FRAME DATA
1. DESCRIPTION
(a) The ECM records vehicle and driving condition
information as freeze frame data the moment a DTC
is stored

ES–462GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
FREEZE FRAME DATA
1. DESCRIPTION
(a) The ECM records vehicle and driving condition
information as freeze frame data the moment a DTC
is stored. When troubleshooting, freeze frame data
can be helpful in determining whether the vehicle
was running or stopped, whether the engine was
warmed up or not, whether the air-fuel ratio was
lean or rich, as well as other data recorded at the
time of a malfunction.
HINT:
If it is impossible to duplicate the problem even
though a DTC is detected, confirm the freeze frame
data.
(b) The ECM records engine conditions in the form of
freeze frame data every 0.5 seconds. Using the
intelligent tester, five separate sets of freeze frame
data, including the data values at the time when the
DTC was set, can be checked.
• 3 data sets before the DTC was set
• 1 data set when the DTC was set
• 1 data set after the DTC was set
These data sets can be used to simulate the
condition of the vehicle around the time of the
occurrence of the malfunction. The data may assist
in identifying of the cause of the malfunction, and in
judging whether it was temporary or not.
2. LIST OF FREEZE FRAME DATA
G038619E05
LABEL
(Intelligent Tester Display)Measurement Item Diagnostic Note
Freeze DTC Freeze DTC -
INJECTOR (PORT) Injector -
IGN ADVANCE Ignition advance -
CALC LOAD Calculate load Calculated load by ECM
VEHICLE LOAD Vehicle load -
MAF Mass air flow volumeIf value is approximately 0.0 g/s:
• Mass air flow meter power source circuit
open or shorted
• VG circuit open or shorted
If value is 160.0 g/s or more:
• E2G circuit open
ENGINE SPD Engine speed -
VEHICLE SPD Vehicle speed Speed indicated on speedometer
COOLANT TEMP Engine coolant temperatureIf value is -40
C (-40F), sensor circuit open
If value is 140
C (284F), sensor circuit
shorted
INTAKE AIR Intake air temperatureIf value is -40
C (-40F), sensor circuit open
If value is 140C (284F), sensor circuit
shorted
AIR-FUEL RATIO Air-fuel ratio -
PURGE DENSITY Learning value of purge density -
EVAP PURGE FLOW Purge flow -
EVAP PURGE VSV EVAP purge VSV duty ratio -
KNOCK CRRT VAL Correction learning value of knocking -

Page 831 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–47
ES
KNOCK FB VAL Feedback value of knocking -
ACCEL POS #1Absolute Accelerator Pedal Position (APP)
No. 1-
ACCEL POS #2 Absolute APP No. 2 -
THROTT

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–47
ES
KNOCK FB VAL Feedback value of knocking -
ACCEL POS #1Absolute Accelerator Pedal Position (APP)
No. 1-
ACCEL POS #2 Absolute APP No. 2 -
THROTTLE POS Throttle positionRead value with ignition switch on (Do not
start engine)
THROTTLE POS Throttle sensor positioningRead value with ignition switch on (Do not
start engine)
THROTTLE POS#2 Throttle sensor positioning #2Read value with ignition switch on (Do not
start engine)
THROTTLE MOT Throttle motor -
O2S B1 S2 Heated oxygen sensor outputPerforming INJ VOL or A/F CONTROL
function of ACTIVE TEST enables technician
to check voltage output of sensor
O2S B2 S2 Heated oxygen sensor outputPerforming INJ VOL or A/F CONTROL
function of ACTIVE TEST enables technician
to check voltage output of sensor
AFS B1 S1 A/F sensor outputPerforming INJ VOL or A/F CONTROL
function of ACTIVE TEST enables technician
to check voltage output of sensor
AFS B2 S1 A/F sensor outputPerforming INJ VOL or A/F CONTROL
function of ACTIVE TEST enables technician
to check voltage output of sensor
TOTAL FT #1 Total fuel trim of bank 1 -
TOTAL FT #2 Total fuel trim of bank 2 -
SHORT FT #1 Short-term fuel trim of bank 1Short-term fuel compensation used to
maintain air-fuel ratio at stoichiometric air-fuel
ratio
LONG FT #1 Long-term fuel trim of bank 1Overall fuel compensation carried out in long-
term to compensate for a continual deviation
of short-term fuel trim from central valve
SHORT FT #2 Short-term fuel trim of bank 2Short-term fuel compensation used to
maintain air-fuel ratio at stoichiometric air-fuel
ratio
LONG FT #2 Long-term fuel trim of bank 2Overall fuel compensation carried out in long-
term to compensate for a continual deviation
of short-term fuel trim from central valve
FUEL SYS #1 Fuel system status (bank 1)• 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 (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 Fuel trim at heated oxygen sensor Same as SHORT FT #1LABEL
(Intelligent Tester Display)Measurement Item Diagnostic Note

Page 832 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–482GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
O2FT B2 S2 Fuel trim at heated oxygen sensor Same as SHORT FT #2
AF FT B1 S1 Fuel trim at A/F sensor -
AF FT B2 S1 Fuel trim at A/F sensor -
CAT

ES–482GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
O2FT B2 S2 Fuel trim at heated oxygen sensor Same as SHORT FT #2
AF FT B1 S1 Fuel trim at A/F sensor -
AF FT B2 S1 Fuel trim at A/F sensor -
CAT TEMP B1 S1 Catalyst temperature -
CAT TEMP B2 S1 Catalyst temperature -
CAT TEMP B1 S2 Catalyst temperature -
CAT TEMP B2 S2 Catalyst temperature -
S O2S B1 S2 Heated oxygen sensor impedance (Sensor 2) -
S O2S B2 S2 Heated oxygen sensor impedance (Sensor 2) -
INI COOL TEMP Initial engine coolant temperature -
INI INTAKE TEMP Initial intake air temperature -
INJ VOL Injection volume -
STARTER SIG Starter signal -
PS SW Power steering signal -
PS SIGNAL Power steering signal (history)This signal status usually ON until ignition
switch turned off
CTP SW Closed throttle position switch -
A/C SIGNAL A/C signal -
ELECT LOAD SIG Electrical load signal -
STOP LIGHT SW Stop light switch -
BATTERY VOLTAGE Battery voltage -
ATM PRESSURE Atmospheric pressure -
FUEL PMP SP CTL Fuel pump speed control status -
ACIS VSVVSV for Air Intake Control Induction System
(AICS)-
VVT CTRL B2 VVT control (bank 2 Intake side) status -
EVAP (Purge) VSV EVAP purge VSV -
FUEL PUMP/SPD Fuel pump speed statusVSV for EVAP controlled by ECM (ground
side duty control)
VACUUM PUMP Key-off EVAP system pump status -
EVAP VENT VAL Key-off EVAP system vent valve status -
FAN MOTOR Electric fan motor -
TC/TE1 TC and TE1 terminals of DLC3 -
ACM ACM control status -
VVTL AIM ANGL #1 VVT aim angle -
VVT CHNG ANGL #1 VVT change angle -
VVT OCV DUTY B1 VVT OCV operation duty -
VVT EX HOLD B1VVT exhaust hold duty ratio learning value
(bank 1 Exhaust side)-
VVT EX CHG ANG1 VVT change angle (bank 1 Exhaust side) -
VVT EX OCV D B1VVT OCV (bank 1 Exhaust side) operation
duty-
VVTL AIM ANGL#2 VVT aim angle (bank 2 Intake side) -
VVT CHNG ANGL#2 VVT change angle (bank 2 Intake side) -
VVT OCV DUTY B2 VVT OCV (bank 2 Intake side) operation duty -
VVT EX HOLD B2VVT exhaust hold duty ratio learning value
(bank 2 Exhaust side)-
VVT EX CHG ANG2 VVT change angle (bank 2 Exhaust side) -
VVT EX OCV D B2VVT OCV (bank 2 Exhaust side) operation
duty- LABEL
(Intelligent Tester Display)Measurement Item Diagnostic Note

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