2007 TOYOTA SIENNA Service Repair Manual

oil type headlight aiming fuel cap release fuse box location roof rack recommended oil

Page 2449 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–87
BC
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
With the intelligent tester connected to the DLC3 and the
ignition switch to the ON position,

BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–87
BC
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
With the intelligent tester connected to the DLC3 and the
ignition switch to the ON position, the ABS, TRAC and
VSC data list can be displayed. Follow the prompts on
the tester screen to access the DATA LIST.
Tester Display Measurement Item/Range Normal Condition Diagnostic Note
ABS MOT RELAY ABS motor relay / ON or OFF ON : Motor relay ON -
SOL RELAY Solenoid relay / ON or OFF ON : Solenoid relay ON -
VSC / TRC OFF SW* Traction OFF switch / ON or OFF ON : Traction OFF switch OFF -
IDLE SW Main idle switch / ON or OFFON : Accelerator pedal released
OFF : Accelerator pedal
depressed-
STOP LIGHT SW Stop light switch / ON or OFFON : Brake pedal depressed
OFF : Brake pedal released-
PKB SW Parking brake switch / ON or OFFON : Parking brake applied
OFF : Parking brake released-
ABS OPERT FRABS operation (FR) / BEFORE or
OPERATEBEFORE : No ABS operation
(FR)
OPERATE : During ABS
operation (FR)-
ABS OPERT FLABS operation (FL) / BEFORE or
OPERATEBEFORE : No ABS operation (FL)
OPERATE : During ABS
operation (FL)-
ABS OPERT RRABS operation (RR) / BEFORE or
OPERATEBEFORE : No ABS operation
(RR)
OPERATE : During ABS
operation (RR)-
ABS OPERT RLABS operation (RL) / BEFORE or
OPERATEBEFORE : No ABS operation
(RL)
OPERATE : During ABS
operation (RL)-
WHEEL SPD FR Wheel speed sensor (FR)
reading / min.: 0 km/h (0 MPH,
max.: 326 km/h (202 MPH)Actual wheel speed Similar speed as indicated on
speed meter
WHEEL SPD FL Wheel speed sensor (FL)
reading / min.: 0 km/h (0 MPH,
max.: 326 km/h (202 MPH)Actual wheel speedSimilar speed as indicated on
speed meter
WHEEL SPD RR Wheel speed sensor (RR)
reading / min.: 0 km/h (0 MPH,
max.: 326 km/h (202 MPH) Actual wheel speedSimilar speed as indicated on
speed meter
WHEEL SPD RL Wheel speed sensor (RL)
reading / min.: 0 km/h (0 MPH,
max.: 326 km/h (202 MPH) Actual wheel speedSimilar speed as indicated on
speed meter
DECELERAT SENSDeceleration sensor 1 reading /
min.: -1.869 G, max.: 1.869 GApproximately 0 +- 0.13G at still
conditionReading changes when vehicle is
bounced
DECELERAT SENS2Deceleration sensor 2 reading /
min.: -1.869 G, max.: 1.869 GApproximately 0 +- 0.13G at still
conditionReading changes when vehicle is
bounced
IG VOLTAGEECU power supply voltage /
UNDER / NORMALNORMAL: 9.5 V or over UNDER:
Below 9.5 V-
SFRRABS solenoid (SFRR) / ON or
OFFON : Operate -
SFRHABS solenoid (SFRH) / ON or
OFF
ON : Operate -
SFLRABS solenoid (SFLR) / ON or
OFFON : Operate -
SFLHABS solenoid (SFLH) / ON or
OFFON : Operate -

Page 2450 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–88BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC*: 2WD
SRRR (SRR)ABS solenoid (SRRR (SRR)) /
ON or OFFON : Operate -
SRRH (SRH)ABS solenoid (SRRH (SRH)) /
ON or OFFON : Operate -
SRLR

BC–88BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC*: 2WD
SRRR (SRR)ABS solenoid (SRRR (SRR)) /
ON or OFFON : Operate -
SRRH (SRH)ABS solenoid (SRRH (SRH)) /
ON or OFFON : Operate -
SRLRABS solenoid (SRLR) / ON or
OFFON : Operate -
SRLHABS solenoid (SRLH) / ON or
OFFON : Operate -
SMF (BA-SOL)TRAC solenoid (SMF) / ON or
OFFON : Operate -
SMRTRAC solenoid (SMR) / ON or
OFFON : Operate -
THROTTLEThrottle position sensor/ Min.: 0
deg, Max.: 125 degRelease accelerator pedal:
Approx. 0 deg.
Depress accelerator pedal:
Approx. 90 deg.-
ENGINE SPDEngine Speed/ Min.: 0 rpm, Max.:
6000 rpmActual engine speed -
VEHICLE SPD Maximum wheel speed sensor
reading / min.: 0 km/h (0 MPH),
max.: 326 km/h (202 MPH) Actual vehicle speed Speed indicated on speedometer
YAW RATEYaw rate sensor/ Min.: -128 deg/
s, Max.: 128 deg/sMin.: -128 deg/s
Max.: 128 deg/s-
YAW ZERO VALUEMemorized zero value/ Min.: -128
deg/s, Max.: 128 deg/sMin.: -128 deg/s
Max.: 128 deg/s-
STEERING ANGSteering sensor/ Min.: -1152 deg,
Max.: 1150.875 degLeft turn: Increase
Right turn: Decrease-
MAS CYL PRS 1Master cylinder pressure sensor
1 reading / min.: 0 V, max.: 5 VWhen brake pedal is released :
0.3 to 0.9 VReading increases when brake
pedal is depressed
AIR BLD SUPPORTAir bleed support / NOT SUP or
SUPPORTNot supported -
SPD SEN FRFR speed sensor open detection
/ OPN DET/NORMALNORMAL -
SPD SEN FLFL speed sensor open detection /
OPN DET/NORMALNORMAL -
SPD SEN RRRR speed sensor open detection
/ OPN DET/NORMALNORMAL -
SPD SEN RLRL speed sensor open detection /
OPN DET/NORMALNORMAL -
EFI COMEFI communication open
detection / OPN DET/NORMALNORMAL -
YAWRATE SENYaw rate sensor open detection /
OPN DET/NORMALNORMAL -
DECELE SENDeceleration sensor open
detection / OPN DET/NORMALNORMAL -
STEERING SENSteering sensor sensor open
detection / OPN DET/NORMAL
NORMAL -
TEST MODE Test mode / NORMAL or TESTNORMAL : Normal mode
TEST : During test mode-
#CODESNumber of DTC recorded / min.:
0, max.: 255Min.: 0
Max.: 255- Tester Display Measurement Item/Range Normal Condition Diagnostic Note

Page 2451 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–89
BC
2. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the intelligent tester
allows the relay and actuator, etc. to operate without
rem

BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–89
BC
2. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the intelligent tester
allows the relay and actuator, etc. to operate without
removing any parts. Performing the ACTIVE TEST as
the first step of troubleshooting is one of the methods to
shorten labor time.
It is possible to display the DATA LIST during the
ACTIVE TEST.
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) According to the display on the tester, perform the
"ACTIVE TEST".
HINT:
Ignition switch must be turned to the ON position to
proceed to the Active Test using the intelligent
tester.
*: 2WD
Tester Display Test Part Control Range Diagnostic Note
SFRR ABS solenoid (SFRR) Solenoid ON / OFFOperation of solenoid (clicking
sound) can be heard
SFRH ABS solenoid (SFRH) Solenoid ON / OFFOperation of solenoid (clicking
sound) can be heard
SFLR ABS solenoid (SFLR) Solenoid ON / OFFOperation of solenoid (clicking
sound) can be heard
SFLH ABS solenoid (SFLH) Solenoid ON / OFFOperation of solenoid (clicking
sound) can be heard
SRRR ABS solenoid (SRRR) Solenoid ON / OFFOperation of solenoid (clicking
sound) can be heard
SRRH ABS solenoid (SRRH) Solenoid ON / OFFOperation of solenoid (clicking
sound) can be heard
SRLR ABS solenoid (SRLR) Solenoid ON / OFFOperation of solenoid (clicking
sound) can be heard
SRLH ABS solenoid (SRLH) Solenoid ON / OFFOperation of solenoid (clicking
sound) can be heard
SMF (BA-SOL) TRAC solenoid SMF (BA-SOL) Solenoid ON / OFFOperation of solenoid (clicking
sound) can be heard
SMR TRAC solenoid SMR Solenoid ON / OFFOperation of solenoid (clicking
sound) can be heard
SOL RELAY ABS solenoid relay Relay ON / OFFOperation of solenoid (clicking
sound) can be heard
ABS MOT RELAY ABS motor relay Relay ON / OFFOperation of motor (clicking
sound) can be heard
ABS WARN LIGHT ABS warning light Warning light ON / OFF Observe combination meter
VSC WARN LIGHT VSC warning light Warning light ON / OFF Observe combination meter
VSC / TRAC OFF IND* TRAC OFF indicator light Indicator light ON / OFF Observe combination meter
SLIP INDI LIGHT SLIP indicator light Indicator light ON / OFF Observe combination meter
BRAKE WARN LIGHT BRAKE warning light Warning light ON / OFF Observe combination meter
VSC / BR WARN BUZ Skid control buzzer Buzzer ON / OFF Buzzer can be heard

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 2453 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–91
BC
DTC chart of VSC:
C1243/43Acceleration Sensor Stuck
Malfunction1. Yaw rate and deceleration
sensor
2. Yaw rate and deceleration
sensor

BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–91
BC
DTC chart of VSC:
C1243/43Acceleration Sensor Stuck
Malfunction1. Yaw rate and deceleration
sensor
2. Yaw rate and deceleration
sensor circuitBC-123
C1244/44Open or Short in Deceleration
Sensor Circuit1. Yaw rate and deceleration
sensor
2. Yaw rate and deceleration
sensor circuitBC-123
C1245/45Acceleration Sensor Output
Malfunction1. Yaw rate and deceleration
sensor
2. Yaw rate and deceleration
sensor circuitBC-123
C1246/46Master Cylinder Pressure Sensor
Malfunction1. Master cylinder pressure
sensor
2. Master cylinder pressure
sensor circuitBC-129
C1249/49 Open in Stop Light Switch Circuit1. Stop light assembly
2. Stop light switch circuitBC-131
C1251/51 Open in Pump Motor Circuit1. Brake actuator assembly
(Ground circuit)
2. Brake actuator assembly
(Motor circuit)BC-136
C1361/91Short Circuit in ABS Motor Fail
Safe Relay Circuit1. ABS 1 fuse
2. VSC FAIL relay
3. VSC FAIL relay circuitBC-107
C1381/97Yaw Rate and / or Acceleration
Sensor Power Supply Voltage
Malfunction1. Yaw rate and deceleration
sensor
2. Yaw rate and deceleration
sensor power source circuitBC-123
U0073/94Control Module Communication
Bus OFFCAN communication systemBC-140
U0124/95Lost Communication with Lateral
Acceleration Sensor ModuleCAN communication system
(Skid control ECU to yaw rate and
deceleration sensor)BC-140
DTC Code Detection Item Trouble Area See page
43 ABS Control System Malfunction ABS control systemBC-91
C1201/51Engine Control System
MalfunctionEngine control systemBC-115
C1203/53ECM Communication Circuit
MalfunctionECMBC-116
C1210/36Zero Point Calibration of Yaw
Rate Sensor Undone1. Yaw rate and deceleration
sensor
2. Zero point calibration undoneBC-117
C1231/31Steering Angle Sensor Circuit
Malfunction1. Steering angle sensor
2. Steering angle sensor circuit
3. +B circuitBC-120
C1232/32 Stuck in Deceleration Sensor Yaw rate and deceleration sensorBC-123
C1234/34 Yaw Rate Sensor Malfunction Yaw rate and deceleration sensorBC-123
C1290/66Steering Angle Sensor Zero Point
Malfunction1. Yaw rate and deceleration
sensor zero point calibration
incomplete
2. Poor adjustment of the
centered position of the steering
wheel
3. Poor adjustment of front wheel
alignmentBC-138
C1336/39Zero Point Calibration of
Acceleration Sensor Undone1. Yaw rate and deceleration
sensor
2. Zero point calibration undoneBC-117 DTC Code Detection Item Trouble Area See page

Page 2454 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–92BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
U0100/65Lost Communication with ECM /
PCMCAN communication system
(Skid control ECU to ECM)BC-140
U0123/62Lost Communication with Yaw

Page 2455 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–93
BC
DESCRIPTION
This DTC is output when the VSC system detects a malfunction in the ABS control system.
INSPECTION PROCEDURE
NOTICE:
When rep

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

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