Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: 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*1
  • Rear speed sensor RH (rear axle hub and bearing assembly RH)*2
  • Wire harness or connector
  • Skid control sensor wire RH (No. 1 parking brake wire assembly)
  • Skid control ECU (brake actuator assembly)
  • *1: for AWD
  • *2: for 2WD

WIRING DIAGRAM

Refer to DTC C051212.

Click here

PROCEDURE

1.

CHECK VEHICLE

(a) Check the vehicle specification.

Result

Proceed to

for 2WD

A

for AWD

B

B

GO TO STEP 7

A

2.

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 (No. 1 parking brake wire assembly)

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

(b) Disconnect the o3 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

o3-2 (RR+) - o3-1 (RR-)

Ignition switch ON

11 to 14 V

NG

GO TO STEP 5

OK

3.

INSPECT NO. 1 PARKING BRAKE WIRE 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.

*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)

(b) Disconnect the o3 skid control sensor wire RH (No. 1 parking brake wire assembly) connector.

(c) Disconnect the oO2 skid control sensor wire RH (No. 1 parking brake wire assembly) 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

o3-1 (RR-) or oO2-1 (RR-) - Body ground and other terminals

Always

10 kΩ or higher

NG

REPLACE NO. 1 PARKING BRAKE WIRE ASSEMBLY

OK

4.

CHECK HARNESS AND CONNECTOR (NO. 1 PARKING BRAKE WIRE ASSEMBLY - 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 A151 skid control ECU (brake actuator assembly) connector.

(c) Disconnect the oO2 skid control sensor wire RH (No. 1 parking brake wire assembly) 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

oO2-1 (RR-) or A151-37 (RR-) - Body ground

Always

10 kΩ or higher

OK

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY RH

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.

INSPECT NO. 1 PARKING BRAKE WIRE 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.

*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)

(b) Disconnect the o3 skid control sensor wire RH (No. 1 parking brake wire assembly) connector.

(c) Disconnect the oO2 skid control sensor wire RH (No. 1 parking brake wire assembly) 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

o3-1 (RR-) - oO2-1 (RR-)

Always

Below 1 Ω

NG

REPLACE NO. 1 PARKING BRAKE WIRE ASSEMBLY

OK

6.

CHECK HARNESS AND CONNECTOR (NO. 1 PARKING BRAKE WIRE ASSEMBLY - 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 A151 skid control ECU (brake actuator assembly) connector.

(c) Disconnect the oO2 skid control sensor wire RH (No. 1 parking brake wire assembly) 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

oO2-1 (RR-) - A151-37 (RR-)

Always

Below 1 Ω

OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

7.

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 (No. 1 parking brake wire assembly)

(to Rear Speed Sensor RH)

(b) Disconnect the o4 rear speed sensor 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

o4-1 (RR+) - o4-2 (RR-)

Ignition switch ON

11 to 14 V

NG

GO TO STEP 5

OK

8.

INSPECT NO. 1 PARKING BRAKE WIRE 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.

*a

Front view of skid control sensor wire RH (No. 1 parking brake wire assembly)

*b

to Sensor Side Connector

*c

to Vehicle Side Connector

(b) Disconnect the o4 skid control sensor wire RH (No. 1 parking brake wire assembly) connector.

(c) Disconnect the oO2 skid control sensor wire RH (No. 1 parking brake wire assembly) 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

o4-2 (RR-) or oO2-1 (RR-) - Body ground and other terminals

Always

10 kΩ or higher

NG

REPLACE NO. 1 PARKING BRAKE WIRE ASSEMBLY

OK

9.

CHECK HARNESS AND CONNECTOR (NO. 1 PARKING BRAKE WIRE ASSEMBLY - 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 A151 skid control ECU (brake actuator assembly) connector.

(c) Disconnect the oO2 skid control sensor wire RH (No. 1 parking brake wire assembly) 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

oO2-1 (RR-) or A151-37 (RR-) - Body ground

Always

10 kΩ or higher

OK

REPLACE REAR SPEED SENSOR RH

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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