Toyota Camry owners & service manuals

Toyota Camry (XV70): Right Rear Wheel Speed Sensor Circuit Short to Ground or Open (C051214)

DESCRIPTION

Refer to DTC C051212

Click here

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
  • Skid control ECU (brake actuator assembly)
DTC Detection Conditions: C051214
 

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

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

WIRING DIAGRAM

Refer to DTC C051212.

Click here

CAUTION / NOTICE / HINT

NOTICE:

  • After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and system information memorization.

    Click here

  • After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.

    Click here

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.

*a

Front view of skid control sensor wire RH

(to Rear Speed Sensor RH (Rear Axle Hub and Bearing Assembly RH))

(b) Disconnect the f1 rear speed sensor RH (rear axle hub and bearing assembly RH) connector.

(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

f1-2 (RR+) - f1-1 (RR-)

Ignition switch ON

11 to 14 V

NG

GO TO STEP 4

OK

2.

INSPECT SKID CONTROL SENSOR WIRE RH

(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.

*a

Front view of skid control sensor wire RH

*b

Front view of wire harness connector

(to Sensor Side Connector)

*c

Front view of wire harness connector

(to Vehicle Side Connector)

(b) Disconnect the f1 skid control sensor wire RH connector.

(c) Disconnect the fR1 skid control sensor wire RH connector.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

f1-1 (RR-) or fR1-2 (RR-) - Body ground and other terminals

Always

10 kΩ or higher

NG

REPLACE SKID CONTROL SENSOR WIRE RH

OK

3.

CHECK HARNESS AND CONNECTOR (SKID CONTROL SENSOR WIRE RH - BRAKE ACTUATOR ASSEMBLY)

(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 A33 skid control ECU (brake actuator assembly) connector.

(c) Disconnect the fR1 skid control sensor wire RH connector.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

fR1-2 (RR-) or A33-29 (RR-) - Body ground

Always

10 kΩ or higher

OK

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY RH

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.

INSPECT SKID CONTROL SENSOR WIRE RH

(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.

*a

Front view of skid control sensor wire RH

*b

Front view of wire harness connector

(to Sensor Side Connector)

*c

Front view of wire harness connector

(to Vehicle Side Connector)

(b) Disconnect the f1 skid control sensor wire RH connector.

(c) Disconnect the fR1 skid control sensor wire RH connector.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

f1-1 (RR-) - fR1-2 (RR-)

Always

Below 1 Ω

NG

REPLACE SKID CONTROL SENSOR WIRE RH

OK

5.

CHECK HARNESS AND CONNECTOR (SKID CONTROL SENSOR WIRE RH - BRAKE ACTUATOR ASSEMBLY)

(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 A33 skid control ECU (brake actuator assembly) connector.

(c) Disconnect the fR1 skid control sensor wire RH connector.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

fR1-2 (RR-) - A33-29 (RR-)

Always

Below 1 Ω

OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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