fuse TOYOTA RAV4 2006 Service Owner's Manual

GF1A TRANSFER – ACTIVE TORQUE CONTROL 4WD SYSTEMTF–25
TF
(a) Clear the DTC (see page TF-16).
(b) Turn the ignition switch ON and check that no CAN
communication system DTC is output.
(c) Start the engine.
(d) Drive the vehicle, accelerate to a speed of 3 km/h (2
mph) or more, and check that no speed sensor DTC
(brake control system DTC) is output (see page BC-57).
Result
B
C
A
(a) Remove the ECU-IG1 fuse from the instrument junction
block
(b) Measure the resistance of the fuse.
Standard resistance:
Below 1
HINT:
Check for short circuits in all harnesses and connector
connected to the ECU-IG1 fuse (see page IN-5).
NG
OK
(a) Disconnect the E57 ECU connector.
(b) Measure the voltage of the wire harness side connector.
Standard voltage
NG
1CHECK FOR DTC
Result Proceed to
Neither CAN communication system DTC nor speed sensor DTC
(Brake control system DTC) is outputA
CAN communication system DTC is output B
Speed Sensor DTC (Brake control system DTC) is output C
REPAIR CIRCUIT INDICATOR BY OUTPUT
CODE (CAN COMMUNICATION SYSTEM)
REPAIR CIRCUIT INDICATOR BY OUTPUT
CODE (BRAKE CONTROL SYSTEM)
2INSPECT FUSE (ECU-IG)
REPLACE FUSE
3CHECK WIRE HARNESS (4WD CONTROL ECU - BATTERY)
C107387E11
Tester Connection Condition Specified Condition
E57-11 (IG1) - Body
GroundIgnition switch ON 10 to 14 V
REPAIR OR REPLACE HARNESS AND
CONNECTOR

TW–18TIRE AND WHEEL – TIRE PRESSURE WARNING SYSTEM
TW
PROBLEM SYMPTOMS TABLE
HINT:
• Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "Suspected area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Replace parts
as necessary.
• Inspect the fuses and relays related to this system before
inspecting the suspected areas below.
Tire pressure warning system
Symptom Suspected area See page
Tire pressure warning system does not operate1. ECU power source circuitTW-49
2. TC and CG terminal circuitTW-51
3. Tire pressure warning valve and transmitterTW-60
4. Combination meterME-52
5. Tire pressure warning antenna and receiverTW-53
6. Tire pressure warning ECUTW-64
DTC check cannot be completed1. ECU Power source circuitTW-49
2. TC and CG terminal circuitTW-51
3. Tire pressure warning ECUTW-64
Tire pressure warning light malfunctions (Does not turn
on)1. ECU Power source circuitTW-49
2. Tire pressure warning light circuitTW-47
3. Combination meterME-52
4. Tire pressure warning ECUTW-64
Tire pressure warning light malfunctions (Remains on)1. Tire pressure checkTW-2
2. Tire pressure warning ECU connector poorly connected -
3. Tire pressure warning light circuitTW-47
4. Combination meterME-52
5. Tire pressure warning ECUTW-64
Tire pressure warning light malfunctions (Blinking)1. Check DTCTW-20
2. TC and CG terminal circuitTW-51
3. Test mode (SIGNAL CHECK)TW-12
4. Tire pressure warning ECUTW-64

BC–42BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
PROBLEM SYMPTOMS TABLE
HINT:
• Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "Suspected area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Replace parts
as necessary.
• Inspect the fuses and relays related to this system before
inspecting the suspected areas below.
NOTICE:
When replacing the ABS and TRACTION actuator or
sensor, turn the ignition switch OFF.
Vehicle stability control system
Symptom Suspected area See page
ABS, BA and/or EBD does not operate1. Check for DTCs again and make sure that normal system
code displayedBC-47
2. IG power source circuitBC-99
3. Front speed sensor circuitBC-62
4. Rear speed sensor circuitBC-69
5. Check ABS and TRACTION actuator using intelligent tester
(Check ABS and TRACTION actuator operation using ACTIVE
TEST function). If abnormal, check hydraulic circuit for
leakage.BC-180
6. If symptoms still occur even after above circuits in
suspected areas inspected and proved to be normal, replace
ABS and TRACTION actuator (skid control ECU)BC-181
ABS, BA and/or EBD does not operate efficiently1. Check for DTCs again and make sure that normal system
code displayedBC-47
2. Front speed sensor circuitBC-62
3. Rear speed sensor circuitBC-69
4. Stop light switch circuitBC-105
5. Check ABS and TRACTION actuator using intelligent tester
(Check ABS and TRACTION actuator operation using ACTIVE
TEST function). If abnormal, check hydraulic circuit for
leakage.BC-180
6. If symptoms still occur even after above circuits in
suspected areas inspected and proved to be normal, replace
ABS and TRACTION actuator (skid control ECU)BC-181
VSC and/or TRC does not operate1. Check for DTCs again and make sure that normal system
code displayedBC-47
2. IG power source circuitBC-99
3. Check hydraulic circuit for leakage -
4. Front speed sensor circuitBC-62
5. Rear speed sensor circuitBC-69
6. Yaw rate sensor circuitBC-96
7. Steering angle sensor circuitBC-92
8. If symptoms still occur even after above circuits in
suspected areas inspected and proved to be normal, replace
ABS and TRACTION actuator (skid control ECU)BC-181
Sensor signal check cannot be performed1. TS and CG terminal circuitBC-177
2. ABS and TRACTION actuator (skid control ECU)BC-181

BC–52BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
(c) Clear the DTCs stored in the skid control ECU by
depressing the brake pedal 8 times or more within 5
seconds.
(d) Check that the ABS and VSC warning lights come
on.
(e) Remove SST from the terminals of the DLC3.
(f) Turn the ignition switch OFF.
HINT:
Clearing the DTCs cannot be performed by
removing the cable from the negative (-) battery
terminal or the ECU-IG1 fuse.
5. END OF DTC CHECK/CLEAR
(a) Turn the ignition switch ON.
(b) Check that the ABS and VSC warning lights go off
within approximately 3 seconds.
(c) Turn the ignition switch OFF.
C135697

POWER STEERING – ELECTRONIC POWER STEERING SYSTEMPS–19
PS
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If any DTCs are displayed during the DTC check, inspect the
circuit listed for these DTCs. For details of each DTC, refer to
the page indicated in the DTC chart.
Electric Power Steering System
DTC No. Detection Item Trouble Area Normal Function
Return ConditionP/S Warning Light See page
C1511/11 Torque Sensor 1
Malfunction- Steering column
assembly (Torque
sensor)
- Power steering ECUIgnition switch ON
again
PS-18
C1512/11 Torque Sensor 2
Malfunction- Steering column
assembly (Torque
sensor)
- Power steering ECUIgnition switch ON
again
PS-18
C1513/11 Torque Sensor
Deviation Excessive- Steering column
assembly (Torque
sensor)
- Power steering ECUIgnition switch ON
again
PS-18
C1514/11 Torque Sensor Power
Supply Voltage
Malfunction- Steering column
assembly (Torque
sensor)
- Power steering ECUIgnition switch ON
again
PS-18
C1521/25 Short in Motor Circuit - Power steering ECU Ignition switch ON
again
PS-21
C1524/24 Motor Terminal
Voltage Malfunction- Steering column
assembly (Torque
sensor)
- Power steering ECUIgnition switch ON
again
PS-22
C1528/12 Motor Rotation Angle
Sensor Malfunction- Steering column
assembly (Torque
sensor)
- Power steering ECUIgnition switch ON
again
PS-24
C1531/25 ECU Malfunction - Power steering ECU Ignition switch ON
again
PS-26
C1532/25 ECU Malfunction - Power steering ECU Ignition switch ON
again
PS-26
C1533/25 Temperature Sensor
Circuit is Low or High- Power steering ECU Ignition switch ON
again or after normal
confirmation
PS-26
C1534/25 EEPROM
Malfunction- Power steering ECU Ignition switch ON
again
PS-26
C1551/25 IG Power Supply
Voltage Malfunction- ECU-IG1 fuse
- IG power source
circuit
- Power steering ECUIgnition switch ON
again or after normal
confirmation
PS-27
C1552/22 PIG Power Supply
Voltage Malfunction- PIG power source
circuit
- Power steering ECUIgnition switch ON
again or after normal
confirmation
PS-29
C1554/23 Power Supply Relay
Failure- PIG power source
circuit
- Power steering ECUIgnition switch ON
again
PS-31
C1555/25 Motor Relay Welding
Failure- Power steering ECU Ignition switch ON
again
PS-31
C1581/26 Assist Map Number
Un-Writing- Power steering ECU Assist map write or
ignition switch ON
again
PS-32
U0073/49 Control Module
Communication Bus
Off- CAN
communication
systemIgnition switch ON
again
PS-34

PS–30POWER STEERING – ELECTRONIC POWER STEERING SYSTEM
PS
DESCRIPTION
The power steering ECU distinguishes the ignition switch status as ON or OFF through the IG power
source circuit.
WIRING DIAGRAM
INSPECTION PROCEDURE
(a) Connect the intelligent tester (with CAN VIM) to the
DLC3.
(b) Turn the ignition switch ON.
(c) Select the item "IG SUPPLY" in the DATA LIST and read
the value displayed on the intelligent tester.
Power steering ECU
OK
NG
DTC C1551/25 IG Power Supply Voltage Malfunction
DTC No. Detection Condition Trouble Area
C1551/25 IG power source circuit malfunction inside
ECU• ECU-IG1 fuse
• IG power source circuit
• Power steering ECU
1READ VALUE OF INTELLIGENT TESTER (IG POWER SUPPLY)
B128053E03
Item Item Description: Range
(Display)Inspection Condition Specified Condition
IG SUPPLY IG power supply:
Min.: 0 V
Max.: 20.1531 VIgnition switch ON 10 to 14 V
CHECK INTERMITTENT PROBLEMS

POWER STEERING – ELECTRONIC POWER STEERING SYSTEMPS–31
PS
(a) Remove the ECU-IG1 fuse from the instrument panel
junction block.
(b) Measure the resistance of the fuse.
OK:
Below 1
NG
OK
(a) Disconnect the E18 and A1 power steering ECU
connectors.
(b) Measure the voltage of the wire harness side
connectors.
Standard voltage
NG
OK
2INSPECT FUSE (ECU-IG1)
REPLACE FUSE
3CHECK HARNESS AND CONNECTOR (BATTERY - POWER STEERING ECU)
F100916E04
Tester Connection Condition Specified Condition
E18 -5 (IG) - A1-2
(PGND)Ignition switch ON 10 to 14 V
REPAIR OR REPLACE HARNESS AND
CONNECTOR
REPLACE POWER STEERING ECU

AC–22AIR CONDITIONING – AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
PROBLEM SYMPTOMS TABLE
(2005/11-2006/01)
HINT:
• Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "Suspected area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Replace parts
as necessary.
• Inspect the fuses and relays related to this system before
inspecting the suspected areas below.
Air conditioning system
Symptom Suspected area See page
No functions of A/C panel operate1. LIN communication line -
2. Air conditioning control assemblyAC-240
3. Air conditioning amplifierAC-24
No functions of A/C system operate1. ECU-IG2 fuse -
2. Air conditioning control assemblyAC-240
3. Air conditioning amplifierAC-24
4. Wire harness or connector -
Airflow Control: No blower control (Blower motor does
not operate)1. HTR fuse -
2. Blower motor circuitAC-90
3. Air conditioning amplifierAC-24
4. Air conditioning control assemblyAC-240
5. Wire harness or connector -
Airflow Control: No blower control (Blower motor does
not change speed)1. Blower motor circuitAC-90
2. Air conditioning amplifierAC-24
3. Air conditioning control assemblyAC-240
Temperature Control: No cool air comes out1. Refrigerant volume -
2. Refrigerant pressure -
3. Air conditioning pressure sensorAC-59
4. Compressor and pulleyAC-215
5. Driver side air mix damper control servo motor circuitAC-73
6. Passenger side air mix damper control servo motor circuitAC-67
7. Evaporator temperature sensor circuitAC-50
8. Room temperature sensor circuitAC-43
9. Ambient temperature sensor circuitAC-46
10. Expansion valve -
11. Air conditioning amplifierAC-24
12. Air conditioning control assemblyAC-240
13. ECMES-427
14. LIN communication line -
15. CAN communication systemCA-75

AC–24AIR CONDITIONING – AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
PROBLEM SYMPTOMS TABLE
(2006/01- )
HINT:
• Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "Suspected area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Replace parts
as necessary.
• Inspect the fuses and relays related to this system before
inspecting the suspected areas below.
Air conditioning system
Symptom Suspected area See page
No functions of A/C panel operate1. LIN communication line -
2. Air conditioning control assemblyAC-87
3. Air conditioning amplifierAC-27
No functions of A/C system operate1. ECU-IG2 fuse -
2. Air conditioning control assemblyAC-87
3. Air conditioning amplifierAC-27
4. Wire harness or connector -
Airflow Control: No blower control (Blower motor does
not operate)1. HTR fuse -
2. Blower motor circuitAC-90
3. Air conditioning amplifierAC-27
4. Air conditioning control assemblyAC-87
5. Wire harness or connector -
Airflow Control: No blower control (Blower motor does
not change speed)1. Blower motor circuitAC-90
2. Air conditioning amplifierAC-27
3. Air conditioning control assemblyAC-87
Temperature Control: No cool air comes out1. Refrigerant volume -
2. Refrigerant pressure -
3. Air conditioning pressure sensorAC-59
4. Compressor and pulley (for 2AZ-FE)AC-79
5. Compressor and magnetic clutch (for 2GR-FE)AC-79
6. Compressor circuit (for 2GR-FE)AC-95
7. Driver side air mix damper control servo motor circuitAC-73
8. Passenger side air mix damper control servo motor circuitAC-67
9. Evaporator temperature sensor circuitAC-50
10. Room temperature sensor circuitAC-43
11. Ambient temperature sensor circuitAC-46
12. Expansion valve -
13. Air conditioning amplifierAC-27
14. Air conditioning control assemblyAC-87
15. ECM (for 2AZ-FE)ES-1
16. ECM (for 2GR-FE)ES-1
17. LIN communication line -
18. CAN communication systemCA-1

SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SYSTEMRS–37
RS
2. CENTER AIRBAG SENSOR ASSEMBLY (w/o Curtain
Shield Airbag)
E45-7 D2- Steering pad (Driver side squib 2nd step)
E45-8 D2+ Steering pad (Driver side squib 2nd step)
E45-13 CANH CAN
E45-16 SIL DLC3
E45-17 P-AB Front passenger seat belt warning light
(Passenger airbag ON/OFF indicator)
E45-21 IG2 IGN fuse
E45-22 CANL CAN
E45-23 PAON Front passenger seat belt warning light
(Passenger airbag ON/OFF indicator)
E45-25 E1 Ground
E45-26 E2 Ground
E45-27 -SR Front airbag sensor RH
E45-28 -SL Front airbag sensor LH
E45-29 +SR Front airbag sensor RH
E45-30 +SL Front airbag sensor LH
L7-3 PP- Front seat outer belt assembly RH (Front
passenger side pretensioner squib RH)
L7-4 PP+ Front seat outer belt assembly RH (Front
passenger side pretensioner squib RH)
L7-5 ICP+ Curtain shield airbag assembly RH (Curtain
shield squib RH)
L7-6 ICP- Curtain shield airbag assembly RH (Curtain
shield squib RH)
L7-7 SFP- Front seat side airbag assembly RH (Side
squib RH)
L7-8 SFP+ Front seat side airbag assembly RH (Side
squib RH)
L7-16 FSP+ Occupant classification ECU
L7-17 BBP+ Side airbag sensor RH
L7-18 BBP- Side airbag sensor RH
L7-24 FSP- Occupant classification ECU Terminal No. Terminal Symbol Destination
C131032E02