
05-447
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
05BX5-06
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 No." in the DTC chart.
DTC chart of ABS:
DTC No.
Detection Item Trouble Area
(See Page)
C0200 / 31
Right front wheel speed sensor signal malfunction
(05-455 )
C0205 / 32
Left front wheel speed sensor signal malfunction S Right front, left front, right rear, left rear speed sensor
(05-455 )
S E h speed sensor circuit
Each d i it
C0210 / 33 S Sensor rotor
Right rear wheel speed sensor signal malfunction
(05-460 )
C0215 / 34
Left rear wheel speed sensor signal malfunction
(05-460 )
Open or short circuit in ABS & Traction actuator assy solenoid
C0226 / 21
circuit S ABS & Traction actuator assy
(05-465 )
(SFR circuit)
Open or short circuit in ABS & Traction actuator assy solenoid
C0236 / 22
circuit S ABS & Traction actuator assy
(05-465 )
(SFL circuit)
Open or short circuit in ABS & Traction actuator assy solenoid
C0246 / 23
circuit S ABS & Traction actuator assy
(05-465 )
(SRR circuit)
Open or short circuit in ABS & Traction actuator assy solenoid
C0256 / 24
circuit S ABS & Traction actuator assy
(05-465 )
(SRL circuit)
C0273 / 13 S VSC motor relay
Open circuit in ABS MTR relay circuit
(05-467 ) S VSC fail relay
C0274 / 14 S VSC motor relay circuit
Short circuit in ABS MTR relay circuit S ABS 1 fuse
(05-467 )
C0278 / 11
Open circuit in ABS SOL relay circuit
(05-472 )
S ABS & T ti actuator assy
Traction t t
C0279 / 12
Short circuit in ABS SOL relay circuit
(05-472 )
Open or short circuit in ABS & Traction actuator assy solenoid
C1225 / 25 S ABS & Traction actuator assy
circuit
(05-483 ) S VSC solenoid circuit
(SM circuit)
C1235 / 35
Foreign matter is attached on the tip of the right front sensor
(05-455 )
C1236 / 36
Foreign matter is attached on the tip of the left front sensor
(05-455 ) S Right front, left front, right rear, left rear s eed sensor
speed
C1238 / 38 S Sensor rotor
Foreign matter is attached on the tip of the right rear sensor
(05-460 )
C1239 / 39
Foreign matter is attached on the tip of the left rear sensor
(05-460 )
S Battery
C1241 / 41 Low battery positive voltage or abnormally high battery positive
S Charging system
(05-491 ) voltage
S Power source circuit
S Yaw rate sensor
C1243 / 43
Malfunction in deceleration sensor (constant output) S Yaw rate sensor circuit
(05-488 )
S Wire harness
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 630
05-448
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
S Yaw rate sensor
C1244 / 44
Malfunction in deceleration sensor S Yaw rate sensor circuit
(05-488 )
S Wire harness
S Yaw rate sensor
C1245 / 45
Malfunction in deceleration sensor S Yaw rate sensor circuit
(05-488 )
S Wire harness
C1246 / 46 S Master cylinder pressure sensor
Malfunction in master cylinder pressure sensor
(05-494 ) S Master cylinder pressure sensor circuit
C1249 / 49 S Stop light switch
Open circuit in stop light switch circuit
(05-496 ) S Stop light switch circuit
C1251 / 51 ABS pump motor is locked
ABS pump motor
(05-499 ) Open circuit in pump motor circuit
S VSC motor relay
C1361/91 S VSC fail relay
Short circuit in ABS motor fail safe relay circuit
(05-472 ) S VSC motor relay circuit
S ABS fuse
C1381/97 S Yaw rate sensor
Malfunction in power supply voltage yaw/deceleration sensor
(05-488 ) S Yaw rate sensor power source circuit
U0121/94 S Wire harness
Malfunction in CAN communication
(05-1931 ) S Steering angle sensor
U0124/95 S Wire harness
Malfunction in CAN communication with deceleration sensor
(05-1931 ) S Yaw rate sensor
S Battery
Always ON S Charging system
Malfunction in skid control ECU
(05-501 ) S Power source circuit
S Skid control ECU
DTC chart of VSC:
DTC No.
Detection Item Trouble Area
(See Page)
C1201 / 51
Malfunction in ECM Engine control system
(05-474 )
S TRC+ or TRC- circuit
C1203 / 53
Malfunction in ECM communication circuit S ENG+ or ENG- circuit
(05-475 )
S ECM
C1210 / 36 S Yaw rate sensor
Zero point calibration of yaw rate sensor undone
(05-477 ) S Yaw rate sensor circuit
C1223 / 43
Malfunction in ABS control system ABS control system
(05-480 )
C1224 / 44 S NEO circuit
Open or short circuit in NEO signal circuit
(05-481 ) S ECM
S Steering angle sensor
C1231 / 31
Malfunction in steering angle sensor S Steering angle sensor circuit
(05-485 )
S Power source circuit
S Yaw rate sensor
C1232 / 32
Malfunction in deceleration sensor S Yaw rate sensor circuit
(05-488 )
S Wire harness
S Yaw rate sensor
C1234 / 34
Malfunction in yaw rate sensor S Yaw rate sensor circuit
(05-488 )
S Wire harness
C1336 / 39 S Yaw rate sensor (Deceleration sensor)
Zero point calibration of deceleration sensor undone
(05-477 ) S Yaw rate sensor circuit (Deceleration sensor)
U0123/62 S Wire harness
Malfunction in CAN communication with yaw rate sensor
(05-1931 ) S Yaw rate sensor
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 631
05-449
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
U0126/63 Malfunction in CAN communication with steering position sen- S Wire harness
(05-1931 ) sor S Skid control ECU
S Battery
Always ON Malfunction in skid control ECU S IC regulator
(05-505 ) Open circuit in VSC warning indicator circuit S Power source circuit
S Skid control ECU
HINT:
In some cases, the hand-held tester cannot be used when VSC warning light is always on.
DTC of sensor check function:
Code No. Diagnosis Trouble Area
S Right front speed sensor
C1271 / 71 Low output voltage of right front speed sensor S Sensor installation
S Sensor rotor
S Left front speed sensor
C1272 / 72 Low output voltage of left front speed sensor S Sensor installation
S Sensor rotor
S Right rear speed sensor
C1273 / 73 Low output voltage of right rear speed sensor S Sensor installation
S Sensor rotor
S Left rear speed sensor
C1274 / 74 Low output voltage of left rear speed sensor S Sensor installation
S Sensor rotor
Abnormal change in output voltage of right front speed sen-
C1275 / 75 Right front sensor rotor
sor
Abnormal change in output voltage of left front speed sen-
C1276 / 76 Left front speed sensor rotor
sor
Abnormal change in output voltage of right rear speed sen-
C1277 / 77 Right rear sensor rotor
sor
C1278 / 78 Abnormal change in output voltage of left rear speed sensor Left rear speed sensor rotor
S Deceleration sensor
C1279 / 79 Deceleration sensor is faulty
S Sensor installation
C1281 / 81 Master cylinder pressure sensor output signal is faulty Master cylinder pressure sensor
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 632