2007 TOYOTA SIENNA Rear brake

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Page 2385 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–18BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEM
BC
Test Mode DTC of ABS:
C1236/36Foreign Object is Attached on Tip
of Front Speed Sensor LH1. Front speed sensor LH
2. Speed sensor rotor
3. Sensor i

Page 2386 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEMBC–19
BC
DESCRIPTION
The speed sensor detects wheel speed and transmits the appropriate signals to the ECU. These signals
are used for control of the ABS c

Page 2440 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–76BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
VSC sensor:
HINT:
The codes in this table are output only in Test Mode
(signal check).
7. SENSOR SIGNAL CHECK BY TEST MODE (SIGNAL
CHEC

Page 2443 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–79
BC
• If the skid control buzzer does not sound yet,
there is a malfunction in the yaw rate sensor,
so check the DTC.
• Make a 180
tur

Page 2444 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–80BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
PROBLEM SYMPTOMS TABLE
Vehicle Stability Control System:
Symptom Suspected Area See page
ABS, BA and EBD do not operate1. Check the DTC a

BC–80BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
PROBLEM SYMPTOMS TABLE
Vehicle Stability Control System:
Symptom Suspected Area See page
ABS, BA and EBD do not operate1. Check the DTC again and make sure that the normal code
is output.BC-82
2. IG power source circuit and ground circuit.BC-126
3. Speed sensor circuit (Front)BC-92
4. Speed sensor circuit (Rear)BC-98
5. Check the brake actuator assembly with a intelligent tester.BC-178
6. If the symptoms still occur even after the above circuits in
suspected areas are inspected and proved to be normal,
replace the brake actuator assembly (skid control ECU).BC-179
ABS, BA and EBD do not operate efficiently1. Check the DTC again and make sure that the normal code
is output.BC-82
2. Speed sensor circuit (Front)BC-92
3. Speed sensor circuit (Rear)BC-98
4. Stop light switch circuitBC-131
5. Check the brake actuator assembly with a intelligent tester.BC-178
6. If the symptoms still occur even after the above circuits in
suspected areas are inspected and proved to be normal,
replace the brake actuator assembly (skid control ECU).BC-179
ABS warning light abnormal (Remains on)1. ABS warning light circuitBC-141
2. Brake actuator assembly (Skid control ECU)BC-179
ABS warning light abnormal (Does not come on)1. ABS warning light circuitBC-145
2. Brake actuator assembly (Skid control ECU)BC-179
BRAKE warning light abnormal1. BRAKE warning light circuitBC-152
2. Brake actuator assembly (Skid control ECU)BC-179
DTC of ABS check cannot be done1. Check the DTC again and make sure that the normal code
is output.BC-82
2. TC and CG terminal circuitBC-171
3. If the symptoms still occur even after the above circuits in
suspected areas are inspected and proved to be normal,
replace the brake actuator assembly (skid control ECU).BC-179
Sensor signal check cannot be done1. TS and CG terminal circuitBC-175
2. Brake actuator assembly (Skid control ECU)BC-179
VSC and/or TRAC does not operate1. Check the DTC again and make sure that the normal code
is output.BC-82
2. IG power source circuit and ground circuit.BC-126
3. Check the hydraulic circuit for leakage. -
4. Speed sensor circuit (Front)BC-92
5. Speed sensor circuit (Rear)BC-98
6. Deceleration sensor circuit (Calibration)BC-117
7. Deceleration sensor circuit (Malfunction)BC-123
8. Yaw rate sensor circuitBC-123
9. Steering sensor circuitBC-120
10. If the symptoms still occur even after the above circuits in
suspected areas are inspected and proved to be normal,
replace the brake actuator assembly (skid control ECU).BC-179
SLIP indicator light abnormal (Remains on)1. SLIP indicator light circuitBC-164
2. Brake actuator assembly (Skid control ECU)BC-179
SLIP indicator light abnormal (Does not come on)
1. SLIP indicator light circuitBC-167
2. Brake actuator assembly (Skid control ECU)BC-179
TRAC OFF indicator light abnormal (Remains on)1. TRAC OFF indicator light circuitBC-157
2. Brake actuator assembly (Skid control ECU)BC-179

Page 2452 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–90BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a malfunction code is displayed during the DTC check,
check the circuit indicated by the DTC. For

BC–90BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a malfunction code is displayed during the DTC check,
check the circuit indicated by the DTC. For details of each
code, turn to the page for the respective "DTC Code" in the
DTC chart.
DTC chart of ABS:
DTC Code Detection Item Trouble Area See page
C0200/31Right Front Wheel Speed Sensor
Signal1. Right front speed sensor
2. Speed sensor circuit
3. Speed sensor rotor
4. Sensor installationBC-92
C0205/32 Front Speed Sensor LH Circuit1. Left front speed sensor
2. Speed sensor circuit
3. Speed sensor rotor
4. Sensor installationBC-92
C0210/33Right Rear Wheel Speed Sensor
Signal1. Right rear speed sensor
2. Speed sensor circuit
3. Speed sensor rotor
4. Sensor installationBC-98
C0215/34 Rear Speed Sensor LH Circuit1. Left rear speed sensor
2. Speed sensor circuit
3. Speed sensor rotor
4. Sensor installationBC-98
C0226/21 SFR Solenoid Circuit1. Brake actuator assembly
2. SFRH or SFRR circuitBC-105
C0236/22 SFL Solenoid Circuit1. Brake actuator assembly
2. SFLH or SFLR circuitBC-105
C0246/23 SRR Solenoid Circuit1. Brake actuator assembly
2. SRRH or SRRR circuitBC-105
C0256/24 SRL Solenoid Circuit1. Brake actuator assembly
2. SRLH or SRLR circuitBC-105
C0273/13Open or Short Circuit in ABS
Motor Relay Circuit1. ABS 1 fuse
2. VSC MTR relay
3. VSC MTR relay circuitBC-107
C0274/14Short to B+ in ABS Motor Relay
Circuit1. ABS 1 fuse
2. VSC MTR relay
3. VSC MTR relay circuitBC-107
C0278/11Open or Short Circuit in ABS
Solenoid Relay Circuit1. ABS 2 fuse
2. ABS SOL relay
3. ABS SOL relay circuit
4. Brake actuator assemblyBC-112
C0279/12Short to B+ in ABS Solenoid
Relay Circuit1. ABS 2 fuse
2. ABS SOL relay
3. ABS SOL relay circuit
4. Brake actuator assemblyBC-112
C1225/25 SM Solenoid Circuit1. Brake actuator assembly
2. VSC solenoid circuitBC-119
C1235/35Foreign Object is Attached on Tip
of Front Speed Sensor RH1. Right front speed sensor
2. Sensor installationBC-92
C1236/36Foreign Object is Attached on Tip
of Front Speed Sensor LH1. Left front speed sensor
2. Sensor installationBC-92
C1238/38Foreign Object is Attached on Tip
of Rear Speed Sensor RH1. Right rear speed sensor
2. Sensor installationBC-98
C1239/39Foreign Object is Attached on Tip
of Rear Speed Sensor LH1. Left rear speed sensor
2. Sensor installationBC-98
C1241/41 Low Battery Positive Voltage1. Battery
2. Charging system
3. Power source circuitBC-126

Page 2456 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–94BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
DESCRIPTION
The speed sensor detects wheel speed and sends the appropriate signals to the ECU. These signals are
used to control the ABS

Page 2462 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–100BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
DESCRIPTION
Refer to DTCs C0200/31, C0205/32, C1235/35 and C1236/36 (See page BC-92).
HINT:
• DTC C0210/33 and C1238/38 are for the ri

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