Refer to DTC C051212
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C051214 | Right Rear Wheel Speed Sensor Circuit Short to Ground or Open | A short or open circuit is detected in the speed sensor signal circuit for 0.12 seconds or more. | ·
Rear speed sensor RH (rear axle hub and bearing assembly RH) ·
Wire harness or connector ·
Skid control sensor wire RH (No. 1 parking brake wire assembly) ·
Skid control ECU (brake actuator assembly) |
| Vehicle Condition | |||
|---|---|---|---|
| Pattern 1 | Pattern 2 | ||
| Diagnosis Condition | - | - | - |
| Malfunction Status | An open circuit is detected in the speed sensor signal circuit. | ○ | - |
| A short circuit is detected in the speed sensor signal circuit. | - | ○ | |
| Detection Time | 0.12 seconds or more. | 0.12 seconds or more. | |
| Number of Trips | 1 trip | 1 trip | |
DTC will be output when conditions for either of the patterns in the table above are met.
After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and store system information memorization.
After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.
| *a | Front view of skid control sensor wire RH (No. 1 parking brake wire assembly)
(to Rear Speed Sensor RH (Rear Axle Hub and Bearing Assembly RH)) |
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
The connector is securely connected.
Disconnect the o2 rear speed sensor RH (rear axle hub and bearing assembly RH) connector.
Check both the connector case and the terminals for deformation and corrosion.
No deformation or corrosion.
Turn the ignition switch to ON.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| o2-2 (RR+) - o2-1 (RR-) | Ignition switch ON | 11 to 14 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
| *a | Front view of skid control sensor wire RH (No. 1 parking brake wire assembly) |
| *b | Front view of wire harness connector
(to Sensor Side Connector) |
| *c | Front view of wire harness connector
(to Vehicle Side Connector) |
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
The connector is securely connected.
Disconnect the o2 skid control sensor wire RH (No. 1 parking brake wire assembly) connector.
Disconnect the oO2 skid control sensor wire RH (No. 1 parking brake wire assembly) connector.
Check both the connector case and the terminals for deformation and corrosion.
No deformation or corrosion.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| o2-1 (RR-) or oO2-2 (RR-) - Body ground and other terminals | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
The connector is securely connected.
Disconnect the A51 skid control ECU (brake actuator assembly) connector.
Disconnect the oO2 skid control sensor wire RH (No. 1 parking brake wire assembly) connector.
Check both the connector case and the terminals for deformation and corrosion.
No deformation or corrosion.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| oO2-2 (RR-) or A51-37 (RR-) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
| *a | Front view of skid control sensor wire RH (No. 1 parking brake wire assembly) |
| *b | Front view of wire harness connector
(to Sensor Side Connector) |
| *c | Front view of wire harness connector
(to Vehicle Side Connector) |
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
The connector is securely connected.
Disconnect the o2 skid control sensor wire RH (No. 1 parking brake wire assembly) connector.
Disconnect the oO2 skid control sensor wire RH (No. 1 parking brake wire assembly) connector.
Check both the connector case and the terminals for deformation and corrosion.
No deformation or corrosion.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| o2-1 (RR-) - oO2-2 (RR-) | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
The connector is securely connected.
Disconnect the A51 skid control ECU (brake actuator assembly) connector.
Disconnect the oO2 skid control sensor wire RH (No. 1 parking brake wire assembly) connector.
Check both the connector case and the terminals for deformation and corrosion.
No deformation or corrosion.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| oO2-2 (RR-) - A51-37 (RR-) | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG