Toyota Yaris: Vehicle Stability Control System / Right Front Wheel Speed Sensor Circuit Short to Battery (C050612)
DESCRIPTION
Refer to DTC C05061F.
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DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
C050612 | Right Front Wheel Speed Sensor Circuit Short to Battery | The speed sensor short signal is ON continuously for 0.5 seconds or more. | -
Front speed sensor RH
-
Wire harness and connector
-
Skid control ECU (brake actuator assembly)
| Brake |
WIRING DIAGRAM
Refer to DTC C05061F.
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CAUTION / NOTICE / HINT
NOTICE:
-
After replacing the skid control ECU (brake actuator assembly), perform "Calibration".
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-
After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.
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PROCEDURE
1. | CHECK HARNESS AND CONNECTOR (SENSOR GROUND CIRCUIT) |
(a) Make sure that there is no looseness at the locking part and the connecting part of the connectors.
OK:
The connector is securely connected.
(b) Disconnect the A23 front speed sensor RH connector. |
| *a | Front view of wire harness connector (to Front Speed Sensor RH) | | |
(c) Check both the connector case and the terminals for deformation and corrosion.
OK:
No deformation or corrosion.
(d) Turn the ignition switch to ON.
(e) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
A23-1 (FR+) - A23-2 (FR-) | Ignition switch ON | 11 to 14 V |
OK |
| REPLACE FRONT SPEED SENSOR RH |
NG |
| |
2. | CHECK HARNESS AND CONNECTOR (SENSOR GROUND CIRCUIT) |
(a) Turn the ignition switch off.
(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors. OK: The connector is securely connected. |
| *a | Front view of wire harness connector (to Front Speed Sensor RH) | | |
(c) Disconnect the A108 skid control ECU (brake actuator assembly) connector.
(d) Check both the connector case and the terminals for deformation and corrosion.
OK:
No deformation or corrosion.
(e) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
A23-2 (FR-) - Body ground | Always | Below 1.5 V |
NG |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
| |
3. | CHECK HARNESS AND CONNECTOR (FRONT SPEED SENSOR RH - BRAKE ACTUATOR ASSEMBLY) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
A23-1 (FR+) or A108-31 (FR+) - A23-2 (FR-) or A108-30 (FR-) | Always | 10 kΩ or higher |
OK |
| REPLACE BRAKE ACTUATOR ASSEMBLY |
NG |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
DESCRIPTION Refer to DTC C05001F. Click here
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DESCRIPTION Refer to DTC C05061F. Click here
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