2006 TOYOTA RAV4 Service Repair Manual

isofix oil type USB port maintenance reset seat adjustment fuse box location

Page 1545 of 2000

TOYOTA RAV4 2006 Service Repair Manual 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 sym

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

Page 1546 of 2000

TOYOTA RAV4 2006 Service Repair Manual BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–43
BC
HINT:
*1: w/ Downhill assist control
*2: w/ Hill-start assist contol
*3: for 2WD w/ AUTO LSD
DTC check cannot be performed1. Check for DT

BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–43
BC
HINT:
*1: w/ Downhill assist control
*2: w/ Hill-start assist contol
*3: for 2WD w/ AUTO LSD
DTC check cannot be performed1. Check for DTCs again and make sure that normal system
code displayedBC-47
2. TC and CG terminal circuitBC-174
3. 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 warning light abnormal (Remains on)1. ABS warning light circuitBC-134
2. ABS and TRACTION actuator (skid control ECU)BC-181
ABS warning light abnormal (Does not come on)1. ABS warning light circuitBC-138
2. ABS and TRACTION actuator (skid control ECU)BC-181
VSC warning light abnormal (Remains on)1. VSC warning light circuitBC-139
2. ABS and TRACTION actuator (skid control ECU)BC-181
VSC warning light abnormal (Does not come on)1. VSC warning light circuitBC-142
2. ABS and TRACTION actuator (skid control ECU)BC-181
BRAKE warning light abnormal (Remains on)1. BRAKE warning light circuit -
2. ABS and TRACTION actuator (skid control ECU)BC-144
BRAKE warning light abnormal (Does not come on)1. BRAKE warning light circuitBC-151
2. ABS and TRACTION actuator (skid control ECU)BC-181
SLIP indicator light abnormal (Remains on)1. SLIP indicator light circuitBC-152
2. ABS and TRACTION actuator (skid control ECU)BC-181
SLIP indicator light abnormal (Does not come on)1. SLIP indicator light circuitBC-154
2. ABS and TRACTION actuator (skid control ECU)BC-181
Skid control buzzer abnormal1. Skid control buzzer circuitBC-172
2. ABS and TRACTION actuator (skid control ECU)BC-181
Downhill assist control does not operate*11. Check for DTCs again and make sure that normal system
code displayedBC-47
2. Downhill assist control switch circuitBC-119
3. Downhill assist control indicator light circuitBC-161
4. 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
Downhill assist control indicator light abnormal
(Remains on)*11. Downhill assist control indicator light circuitBC-156
2. ABS and TRACTION actuator (skid control ECU)BC-181
Downhill assist control indicator light abnormal (Does
not come on)*11. Downhill assist control indicator light circuitBC-161
2. ABS and TRACTION actuator (skid control ECU)BC-181
Hill-start assist control does not operate*2 1. ABS and TRACTION actuator (skid control ECU)BC-181
AUTO LSD does not operate*31. Check for DTCs again and make sure that normal system
code displayedBC-47
2. Auto LSD switch circuitBC-169
3. AUTO LSD indicator circuitBC-169
4. 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
AUTO LSD indicator light abnormal (Remains on)*31. AUTO LSD indicator circuitBC-164
2. ABS and TRACTION actuator (skid control ECU)
BC-181
AUTO LSD indicator light abnormal (Does not come
on)*31. AUTO LSD indicator circuitBC-169
2. ABS and TRACTION actuator (skid control ECU)BC-181 Symptom Suspected area See page

Page 1547 of 2000

TOYOTA RAV4 2006 Service Repair Manual BC–44BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
TERMINALS OF ECU
1. SKID CONTROL ECU
HINT:
*1: w/ 16-inch disc
*2: w/ Downhill assist control
*3: for 2WD (w/ AUTO LSD)
Symbols (Terminal

Page 1548 of 2000

TOYOTA RAV4 2006 Service Repair Manual 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 connecto

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

Page 1549 of 2000

TOYOTA RAV4 2006 Service Repair Manual 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 t

Page 1550 of 2000

TOYOTA RAV4 2006 Service Repair Manual 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 malfun

Page 1551 of 2000

TOYOTA RAV4 2006 Service Repair Manual BC–48BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
DIAGNOSIS SYSTEM
1. DIAGNOSIS
If the skid control ECU detects a malfunction, the ABS,
VSC and brake warning lights and the slip, downhil

Page 1552 of 2000

TOYOTA RAV4 2006 Service Repair Manual BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–49
BC
• *4: w/ 16-inch disc
• The DTCs can be read by connecting SST (09843-
18040) between the TC and CG terminals of the
DLC3 and observ

Load next 8 pages

Page: < prev 1-10 ... 1513-1520 1521-1528 1529-1536 1537-1544 1545-1552 1553-1560 1561-1568 1569-1576 1577-1584 ... 2000 next >

instrument panel set clock jacking points warning roof rack air conditioning