wiring TOYOTA RAV4 2006 Service Service Manual

GF1A TRANSFER – ACTIVE TORQUE CONTROL 4WD SYSTEMTF–33
TF
DESCRIPTION
The 4WD control ECU receives signals from each sensor to control clutch fluid pressure for limiting the
center differential operation, which distributes torque according to the driving conditions.
WIRING DIAGRAM
INSPECTION PROCEDURE
(a) Remove the coupling connector.
(b) Measure the resistance of the solenoid.
Standard resistance
NG
OK
DTC C1298/98 Linear Solenoid Circuit
DTC No. DTC Detection Condition Trouble Area
C1298/98 1. When the following continues for 1
second or more:
- With the current of the 0.8 A or more, an
open or short in the linear solenoid circuit
occurs.• Wire harness
• Electromagnetic coupling
• 4WD control ECU
1INSPECT ELECTROMAGNETIC COUPLING (4WD LINEAR SOLENOID)
C128602E01
C131916E01
Tester Connection Specified Condition
1 (BSF) - 2 (SLC) 2.2 to 2.6
1 (BSF) - Body ground 10 k or higher
2 (SLC) - Body ground 10 k
or higher
REPLACE ELECTROMAGNETIC COUPLING

DF–28DIFFERENTIAL – REAR DIFFERENTIAL CARRIER ASSEMBLY
DF
HINT:
If the race is remains on the rear differential case,
repeat the step above to remove the race.
29. REMOVE DIFFERENTIAL RING GEAR
(a) Place matchmarks on the rear differential case and
differential ring gear.
(b) Remove the 10 bolts.
(c) Using a plastic-faced hammer, lightly tap the outer
circumference of the differential ring gear to remove
it from the rear differential case.
30. REMOVE DIFFERENTIAL BREATHER PLUG OIL
DEFLECTOR
(a) Using a 5 mm socket hexagon wrench, remove the
2 bolts and rear differential breather plug oil
deflector.
31. REMOVE STRAIGHT PIN
(a) Using pliers, remove the 4 straight pins from the
rear differential carrier.
32. REMOVE ELBOW TUBE
33. REMOVE WIRING HARNESS CLAMP BRACKET
(a) Remove the bolt and bracket.
C110155E01
C110156
C110152

DIFFERENTIAL – REAR DIFFERENTIAL CARRIER ASSEMBLYDF–29
DF
REASSEMBLY
1. INSTALL WIRING HARNESS CLAMP BRACKET
(a) Install the bracket with the bolt.
2. INSTALL ELBOW TUBE
3. INSTALL STRAIGHT PIN
(a) Using a plastic hammer, install the 4 straight pins to
the rear differential carrier.
(b) Thoroughly clean oil and water from the surface of
the rear differential case that will face the differential
ring gear.
4. INSTALL DIFFERENTIAL BREATHER PLUG OIL
DEFLECTOR
(a) Using a 5 mm socket hexagon wrench, install the
rear differential breather plug oil deflector with the 2
bolts.
Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf)
NOTICE:
Install it so that the arrow mark faces the front
(transmission coupling side) of the vehicle.
5. INSTALL DIFFERENTIAL RING GEAR
(a) Align the matchmarks on the rear differential case
and differential ring gear, and install the differential
ring gear.
(b) Install 10 new differential case bolts.
Torque: 90 N*m (918 kgf*cm, 66 ft.*lbf)
NOTICE:
• The new bolts are coated with heat resistant
oil. Do not wash it off.
• Install the rear differential case bolts by
tightening diametrically opposite bolts
uniformly in several passes.
C110158E02
C110156E01
C110155E01

TIRE AND WHEEL – TIRE PRESSURE WARNING SYSTEMTW–19
TW
TERMINALS OF ECU
1. CHECK TIRE PRESSURE WARNING ECU
(a) Disconnect the E56 ECU connector.
(b) Measure the voltage and resistance of the wire
harness side connector.
If the result is not as specified, there may be a
malfunction on the wire harness side.
(c) Reconnect the E56 ECU connector.
(d) Measure the voltage of the connector.
If the result is not as specified, the ECU may have a
malfunction.
F101021E01
Symbols (Terminal No.) Wiring Color Terminal Description ConditionSpecified Condition
IG (E56-2) - GND (E56-
11 )L - W-B IG power source Ignition switch ON 10 to 14 V
Ignition switch OFF Below 1 V
GND (E56-11) - Body
groundW-B - Body ground Ground Always Below 1
Symbols (Terminal No.) Wiring Color Terminal Description ConditionSpecified Condition
SPD (E56-3) - GND (E56-
11 )V - W-B Vehicle speed signal Vehicle is running Pulse generation
SIL (E56-4) - GND (E56-
11 )W - W-B Diagnosis tester
communication lineIgnition switch ON,
when communication is
not performed with a tester8 to 15 V
IND (E56-6) - GND (E56-
11 )P - W-B Tire pressure warning light
output signalIgnition switch ON,
tire pressure warning light
ONBelow 1 V
RDA (E56-7) - GND (E56-
11 )G - W-B Tire pressure monitor
receiver signalIgnition switch ON,
tire pressure monitor
receiver is not connected9 to 16 V
RFSV (E56-8) - GND
(E56-11)R - W-B Tire pressure monitor
receiver power sourceIgnition switch ON 4.5 to 5.5 V
TC (E56-12) - GND (E56-
11 )G - W-B TC terminal When terminal TC is not
connected8 to 15 V
GND2 (E56-16) - Body
groundY - Body ground Tire pressure monitor
receiver groundAlways Below 1 V

TIRE AND WHEEL – TIRE PRESSURE WARNING SYSTEMTW–29
TW
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
It is necessary to register an ID code after replacing the tire pressure warning antenna and
receiver and/or the tire pressure warning ECU (see page TW-9).
(a) Set the pressure of each tire to the specified value.
Standard pressure:
220 kPa (2.2 kgf/cm
2, 32 psi)
(b) Connect the intelligent tester (with CAN VIM) to the
DLC3.
(c) Turn the ignition switch ON.
(d) Select TIREPRESS by following the prompts displayed
on the intelligent tester.
Tire pressure warning ECU
1PERFORM FORCED TRANSMISSION OF TRANSMITTER ID OF ALL WHEELS
E118453E14
Item Measurement item / Range
(Display) Normal Condition Diagnostic Note
TIREPRESS1 ID1 tire pressure / min.: 0 kPa
(0 kgf/cm
2, 0 psi), max.: 637.5
kPa (6.48 kgf/cm2, 92.2 psi) Actual tire pressure -
TIREPRESS2 ID2 tire pressure / min.: 0 kPa
(0 kgf/cm
2, 0 psi), max.: 637.5
kPa (6.48 kgf/cm2, 92.2 psi) Actual tire pressure -
TIREPRESS3 ID3 tire pressure / min.: 0 kPa
(0 kgf/cm
2, 0 psi), max.: 637.5
kPa (6.48 kgf/cm2, 92.2 psi) Actual tire pressure -

TW–32TIRE AND WHEEL – TIRE PRESSURE WARNING SYSTEM
TW
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
It is necessary to register an ID code after replacing the tire pressure warning valve and
transmitter and/or the tire pressure warning ECU (see page TW-9).
(a) Set the pressure of each tire to the specified value.
Standard pressure:
220 kPa (2.2 kgf/cm
2, 32 psi)
(b) Connect the intelligent tester (with CAN VIM) to the
DLC3.
(c) Turn the ignition switch ON.
(d) Select TIREPRESS by following the prompts displayed
on the intelligent tester.
Tire pressure warning ECU
1IDENTIFY TRANSMITTER (CORRESPONDING TO DTC)
E118453E14
Item Measurement Item / Range
(Display)Normal Condition Diagnostic Note
TIREPRESS1 ID1 tire pressure/ minimum: 0
kPa (0 kgf/cm
2, 0 psi)
maximum: 637.5 kPa (6.5 kgf/
cm
2, 92.5 psi)Actual tire pressure -
TIREPRESS2 ID2 tire pressure/ minimum: 0
kPa (0 kgf/cm
2, 0 psi)
maximum: 637.5 kPa (6.5 kgf/
cm
2, 92.5 psi)Actual tire pressure -
TIREPRESS3 ID3 tire pressure/ minimum: 0
kPa (0 kgf/cm
2, 0 psi)
maximum: 637.5 kPa (6.5 kgf/
cm
2, 92.5 psi)Actual tire pressure -

BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–45
BC
2. CHECK SKID CONTROL ECU
(a) Disconnect the A19 ECU connector.
(b) Measure the voltage and resistance of the wire
harness side connector.
HINT:
The voltage cannot be measured with the connector
connected to the skid control ECU as the connector
is water resistant.
Skid control ECU:
HINT:
*1: w/ 16-inch disc
*2: w/ Downhill assist control
*3: for 2WD (w/ AUTO LSD)
If the result is not as specified, there may be a
malfunction on the wire harness side.
F049377E08
Symbols (Terminal No.) Wiring Color Terminal Description ConditionSpecified Condition
GND2 (A19-1) - Body
groundW-B - Body ground Skid control ECU ground Always Below 1
STP1 (A19-27) - Body
groundL - Body ground Stop light switch input Stop light switch OFF
Brake pedal releasedBelow 1.5 V
STP1 (A19-27) - Body
groundL - Body ground Stop light switch input Stop light switch ON
Brake pedal depressed8 to 16 V
STP2 (A19-21) - Body
groundL - Body ground Stop light relay input Stop light switch OFF
Brake pedal releasedBelow 1.5 V
STP2 (A19-21) - Body
groundL - Body ground Stop light relay input Stop light switch ON
Brake pedal depressed8 to 16 V
STPO (A19-16) - Body
groundW - Body ground Stop light relay output Always 10 to 14 V
+BS (A19-31) - Body
groundW - Body ground Solenoid relay power
supplyAlways 10 to 14 V
IG1 (A19-46) - Body
groundL - Body ground ECU power supply Ignition switch ON 10 to 14 V
HDCS (A19-28)*2 Y - Body ground Downhill assist control
switch inputDownhill assist control
switch ONBelow 1
HDCS (A19-28)*2 Y - Body ground Downhill assist control
switch inputDownhill assist control
switch OFF10 k or higher
FSW+ (A19-7)*1 P - Body ground Brake pedal load sensing
switch inputBrake pedal load sensing
switch ON
Brake pedal released202.4 to 223.7
FSW+ (A19-7)*1 P - Body ground Brake pedal load sensing
switch inputBrake pedal load sensing
switch OFF
Brake pedal released0,95 to 1.05 k
CSW (A19-43)*3 L - Body ground AUTO LSD switch input AUTO LSD switch ON Below 1
CSW (A19-43)*3 L - Body ground AUTO LSD switch input AUTO LSD switch OFF 10 k or higher

BC–46BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
3. CHECK INSTRUMENT PANEL JUNCTION BLOCK
(MAIN BODY ECU)
(a) Disconnect the ID junction block connector.
(b) Measure the resistance of the wire harness side
connector.
If the result is not as specified, there may be a
malfunction on the wire harness side.
(c) Reconnect the ID junction block connector.
C126316E01
Symbols (Terminal No.) Wiring Color Terminal Description ConditionSpecified Condition
PKB (ID-4) - Body ground B - Body ground Parking brake switch input Parking brake switch ON Below 1
PKB (ID-4) - Body ground B - Body ground Parking brake switch input Parking brake switch OFF 10 k or higher

BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–47
BC
(d) Measure the voltage of the wire harness side
connector.
If the result is not as specified, the junction block
(ECU) may be a malfunction.
Symbols (Terminal No.) Wiring Color Terminal Description ConditionSpecified Condition
PKB (ID-4) - Body ground B - Body ground Parking brake switch input Parking brake switch ON Below 1 V
PKB (ID-4) - Body ground B - Body ground Parking brake switch input Parking brake switch OFF 10 to 14 V

POWER STEERING – ELECTRONIC POWER STEERING SYSTEMPS–9
PS
TERMINALS OF ECU
1. CHECK POWER STEERING ECU
HINT:
Measurements cannot be performed on the C connector
side of the power steering ECU.
(a) Measure the voltage and resistance of the
connectors.
F100917E04
Symbols Wiring Color Terminal Description
U W U phase motor output
V B V phase motor output
W W-R W phase motor output
Symbols (Terminal No.) Wiring Color Terminal Description ConditionSpecified Condition
PIG (A1-1) - PGND (A1-2) W-B - W-B Power source Always 10 to 14 V
IG (E18-5) - PGND (A1-2) L - W-B IG power source Ignition switch ON 10 to 14 V
TRQ1 (e1-6) - TRQG (e1-
1)G - B Torque sensor signal Ignition switch ON
Steering wheel not turned
(without load)2.3 to 2.7 V
Ignition switch ON
Steering wheel turned to
right with vehicle stopped2.5 to 4.04 V
Ignition switch ON
Steering wheel turned to
left with vehicle stopped0.95 to 2.5 V
TRQ2 (e1-2) - TRQG (e1-
1)Y - B Torque sensor signal Ignition switch ON
Steering wheel not turned
(without load)2.3 to 2.7 V
Ignition switch ON
Steering wheel turned to
right with vehicle stopped0.95 to 2.5 V
Ignition switch ON
Steering wheel turned to
left with vehicle stopped2.5 to 4.04 V
TRQF (e1-4) - TRQG (e1-
1)W - B Torque sensor reference
voltageIgnition switch ON 3.35 to 3.37 V
TRQV (e1-3) - TRQG (e1-
1)R - B Torque sensor voltage
sourceIgnition switch ON 8.5 to 10.5 V
TRQG (e1-1) - Body
groundB - Body ground Torque sensor ground Always Below 1