engine TOYOTA RAV4 2006 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 -
THROTTLE POS Throttle sensor positioning -
THROTTLE POS Throttle position -
THROTTLE POS #2 Throttle sensor positioning #2 -
THROTTLE MOT Throttle motor -
O2S B1 S2
O2S B2 S2Heated oxygen sensor outputPerforming INJ VOL or A/F CONTROL
function of ACTIVE TEST enables technician
to check output voltage of sensor
AFS B1 S1
AFS B2 S1A/F sensor outputPerforming INJ VOL or A/F CONTROL
function of ACTIVE TEST enables technician
to check output voltage of sensor
TOTAL FT #1
TOTAL FT #2Total fuel trim -
SHORT FT #1
SHORT FT #2Short-term fuel trimShort-term fuel compensation used to
maintain air-fuel ratio at stoichiometric air-fuel
ratio
LONG FT #1
LONG FT #2Long-term fuel trimOverall fuel compensation carried out in long-
term to compensate a continual deviation of
short-term fuel trim from central valve
O2FT B1 S2
O2FT B2 S2Fuel trim at heated oxygen sensor -
AF FT B1 S1
AF FT B2 S1Fuel trim at A/F sensor-
AFS B1 S1
AFS B2 S1A/F sensor current-
CAT TEMP B1S1
CAT TEMP B2S1Estimated catalyst temperature (sensor 1)-
CAT TEMP B1S2
CAT TEMP B2S2Estimated catalyst temperature (sensor 2)-
S O2S B1S2
S O2S B2S2Sub heated oxygen sensor impedance
(sensor 2)-
INI COOL TEMP Engine coolant temperature at engine start -
INI INTAKE TEMP Intake air temperature at engine start -
INJ VOL Injection volume -
STARTER SIG Starter switch (STSW) signal -
PS SW Power steering signal -
PS SIGNAL Power steering signal (history)Signal status usually ON until ignition switch
turned OFF
CTP SW Closed throttle position switch -
A/C SIGNAL A/C signal -
PNP SW (NSW) Park/Neutral Position (PNP) switch signal -
ELECT LOAD SIG Electrical load signal -
STOP LIGHT SW Stop light switch -
BATTERY VOLTAGE Battery voltage -
ATM PRESSURE Atmosphere pressure -
FUEL PMP SP CTL Fuel pump speed control status -
ACIS VSVVSV for Acoustic Control Induction System
(ACIS)-
EVAP (Purge) VSV EVAP Purge VSV -
FUEL PUMP/SPD Fuel pump/speed status -LABEL
(Intelligent Tester Display)Measurement Item Diagnostic Note

ES–482GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
VVT CTRL B1
VVT CTRL B2VVT control status-
VA C U U M P U M PKey-off EVAP system leak detection pump
status(see page ES-369)
EVAP VENT VAL Key-off EVAP system vent valve status -
FAN MOTOR Electric fan motor -
AICV VSV VSV for Air Intake Control System (AICS) -
TC/TE1 TC and CG (TE1) terminals of DLC3 -
FC IDL Fuel cut idleON: when throttle valve fully closed and
engine speed over 3,500 rpm
FC TAU Fuel cut during very light loadFuel cut being performed under very light load
to prevent engine combustion from becoming
incomplete
IGNITION Ignition counter -
CYL #1 Cylinder #1 misfire Only displayed during idling
CYL #2 Cylinder #2 misfire Only displayed during idling
CYL #3 Cylinder #3 misfire Only displayed during idling
CYL #4 Cylinder #4 misfire Only displayed during idling
CYL #5 Cylinder #5 misfire Only displayed during idling
CYL #6 Cylinder #6 misfire Only displayed during idling
CYL ALL All cylinders misfire Only displayed during idling
MISFIRE RPM Engine speed when misfire occurred -
MISFIRE LOAD Engine load when misfire occurred -
MISFIRE MARGIN Margin to detect engine misfire -
ENG RUN TIME Accumulated engine running time -
TIME DTC CLEAR Cumulative time after DTC cleared -
DIST DTC CLEAR Accumulated distance from DTC cleared -
WU CYC DTC CLEAR Warm-up cycle after DTC cleared -LABEL
(Intelligent Tester Display)Measurement Item Diagnostic Note

ES–4742GR-FE ENGINE CONTROL SYSTEM – ACCELERATOR PEDAL ROD
ES
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
2. REMOVE ACCELERATOR PEDAL ROD
(a) Disconnect the accelerator pedal position sensor
connector.
(b) Remove the 2 bolts and accelerator pedal rod.
INSTALLATION
1. INSTALL ACCELERATOR PEDAL ROD
(a) Install the accelerator pedal rod with the 2 bolts.
Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
(b) Connect the accelerator pedal position sensor
connector.
2. CONNECT CABLE TO NEGATIVE BATTERY
TERMINAL
A124549
A124549

EM–222AZ-FE ENGINE MECHANICAL – TIMING CHAIN
EM
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
2. REMOVE RADIATOR SUPPORT OPENING COVER
3. REMOVE FRONT WHEEL RH
4. REMOVE NO. 1 ENGINE UNDER COVER
5. REMOVE FRONT FENDER APRON RH
6. REMOVE NO. 1 ENGINE COVER
(a) Remove the 2 nuts and cover.
7. DRAIN ENGINE OIL (See page LU-4)
8. REMOVE FRONT EXHAUST PIPE (See page EX-3)
9. REMOVE FRONT SUSPENSION MEMBER
REINFORCEMENT RH (See page EM-6)
10. REMOVE FAN AND GENERATOR V BELT (See page
EM-6)
11. REMOVE GENERATOR ASSEMBLY (See page CH-9)
12. REMOVE RADIATOR RESERVOIR
(a) Remove the 2 bolts and radiator reservoir.
13. REMOVE ENGINE MOUNTING INSULATOR RH
(a) Remove the bolt of the wire harness protector.
(b) Disconnect the 2 clamps of the engine wire.
A112206
A124838
A098189E02

2AZ-FE ENGINE MECHANICAL – TIMING CHAINEM–23
EM
(c) Place a transmission jack underneath the engine,
then put a wooden block on the jack.
(d) Remove the 4 bolts, 2 nuts and engine mounting
insulator RH.
NOTICE:
Do not apply excessive force to the return tube
when removing the engine mounting insulator
RH.
HINT:
Keep clearance by lowering the engine using the
transmission jack when removing the engine
mounting insulator FR.
14. REMOVE ENGINE MOUNTING INSULATOR FR
(a) Remove the through bolt and nut.
(b) Remove the 2 bolts and engine mounting insulator
FR.
HINT:
Keep clearance by lowering the engine using the
transmission jack when removing the engine
mounting insulator FR.
15. REMOVE IDLER PULLEY
(a) Loosen the 2 bolts and remove the idler pulley with
the 2 bolts.
16. REMOVE IGNITION COIL ASSEMBLY (See page IG-9)
17. REMOVE SPARK PLUG (See page EM-8)
A061184E04
A124843
A124839E02
A124840
A114359

EM–242AZ-FE ENGINE MECHANICAL – TIMING CHAIN
EM
18. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
(a) Disconnect the 2 ventilation hoses form the cylinder
head cover.
(b) Remove the 2 bolts and disconnect the 2 engine
wires.
(c) Remove the 8 bolts, 2 nuts and cylinder head cover.
19. REMOVE OIL PAN SUB-ASSEMBLY
(a) Install the No. 1 and No. 2 engine hangers with the
bolts.
Torque: 38 N*m (387 kgf*cm, 28 ft.*lbf)
Part No.
(b) Attach the sling device to the engine hangers and
chain block.
A112209
A112210E01
A112211
A112213E01
Item Part No.
No. 1 engine hanger 12281-28010
No. 2 engine hanger 12282-28010
Bolt 91512-61020

2AZ-FE ENGINE MECHANICAL – TIMING CHAINEM–25
EM
(c) Remove the 12 bolts and 2 nuts.
(d) Insert the blade of SST between the crankcase,
chain cover and oil pan, then cut off the applied
sealer and remove the oil pan.
SST 09032-00100
NOTICE:
Be careful not to damage the contact surface of
the crankcase, chain cover and oil pan.
20. SET NO. 1 CYLINDER TO TDC/COMPRESSION
(a) Turn the crankshaft pulley until its groove and the
timing mark "0" of the timing chain cover are
aligned.
(b) Check that each timing mark of the camshaft timing
gear and sprocket is aligned with each timing mark
located on the No. 1 and No. 2 bearing caps as
shown in the illustration.
If not, turn the crankshaft by 1 revolution (360
) to
align the timing marks as above.
21. REMOVE CRANKSHAFT PULLEY
(a) Using SST, fix the pulley in place and loosen the
pulley bolt.
SST 09213-54015 (91651-60855), 09330-00021
A114333
A000019E05
A098345E09
A013697E02

EM–262AZ-FE ENGINE MECHANICAL – TIMING CHAIN
EM
(b) Remove the crankshaft pulley.
HINT:
If necessary, remove the pulley and pulley bolt using
SST.
SST 09950-50013 (09951-05010, 09952-05010,
09953-05020, 09954-05021), 09950-40011
(09957-04010)
22. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
(a) Remove the 2 nuts, chain tensioner and gasket.
NOTICE:
Do not turn the crankshaft without the chain
tensioner.
23. REMOVE ENGINE MOUNTING BRACKET RH
(a) Remove the 3 bolts and engine mounting bracket
RH.
24. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
(a) Lift the engine upward using the transmission jack.
NOTICE:
Do not lift the engine more than necessary.
(b) Remove the bolt, nut and V-ribbed belt tensioner.
25. REMOVE CRANKSHAFT POSITION SENSOR (See
page ES-402)
26. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY
(a) Using an E10 "torx" socket, remove the stud bolt for
the V-ribbed belt tensioner.
A124860E01
A098348E01
A128165
A112212
A014253E03

2AZ-FE ENGINE MECHANICAL – TIMING CHAINEM–27
EM
(b) Remove the 12 bolts and 2 nuts.
(c) Remove the timing chain cover by prying the
portions between the timing chain cover, cylinder
head and cylinder block with a screwdriver.
NOTICE:
Be careful not to damage the contact surfaces of
the timing chain cover, cylinder head and
cylinder block.
27. REMOVE NO. 1 CRANKSHAFT POSITION SENSOR
PLATE
A132568E01
A128179
A132571

EM–282AZ-FE ENGINE MECHANICAL – TIMING CHAIN
EM
28. REMOVE TIMING CHAIN GUIDE
(a) Remove the bolt and timing chain guide.
29. REMOVE CHAIN TENSIONER SLIPPER
(a) Remove the bolt and chain tensioner slipper.
30. REMOVE NO. 1 CHAIN VIBRATION DAMPER
(a) Remove the 2 bolts and chain vibration damper.
31. REMOVE CHAIN SUB-ASSEMBLY
32. REMOVE CRANKSHAFT TIMING SPROCKET
A077243E01
A128183
A128184
A128185
A128186