Toyota Camry owners & service manuals

Toyota Camry (XV70): Right Rear Wheel Speed Sensor Supply Voltage Circuit Short to Ground or Open (C14E914)

DESCRIPTION

Refer to DTC C051212

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DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C14E914

Right Rear Wheel Speed Sensor Supply Voltage Circuit Short to Ground or Open

An open or short in the speed sensor power supply circuit is detected for 0.12 seconds or more.

  • Rear speed sensor RH (rear axle hub and bearing assembly RH)*1
  • Rear speed sensor 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 2WD

*2: for AWD

DTC Detection Conditions: C14E914
 

Vehicle Condition

Pattern 1

Pattern 2

Diagnosis Condition

-

-

-

Malfunction Status

An open in the speed sensor power supply circuit is detected.

-

A short in the speed sensor power supply circuit is detected.

-

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.

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CAUTION / NOTICE / HINT

NOTICE:

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

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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 VEHICLE

(a) Check the vehicle specification.

Result

Proceed to

for 2WD

A

for AWD

B

B

GO TO STEP 5

A

2.

CHECK HARNESS AND CONNECTOR (SENSOR POWER SOURCE 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 u2 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

u2-2 (RA+) - u2-1 (RA-)

Ignition switch on

11 to 14 V

OK

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY RH

NG

3.

CHECK HARNESS AND CONNECTOR (SENSOR POWER SOURCE 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 wire harness connector

(to Skid Control Sensor Wire RH (No. 1 Parking Brake Wire Assembly))

(b) Disconnect the uR1 skid control sensor wire RH (No. 1 parking brake wire assembly) 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

uR1-1 (RR+) - uR1-2 (RR-)

Ignition switch on

11 to 14 V

OK

REPLACE NO. 1 PARKING BRAKE WIRE ASSEMBLY

NG

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 A34 skid control ECU (brake actuator assembly) connector.

(c) Disconnect the uR1 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

uR1-1 (RR+) or A34-22 (RR+) - Body ground

Always

10 kΩ or higher

OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.

CHECK HARNESS AND CONNECTOR (SENSOR POWER SOURCE 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 u2 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

u2-2 (RA+) - u2-1 (RA-)

Ignition switch on

11 to 14 V

OK

REPLACE REAR SPEED SENSOR RH

NG

GO TO STEP 3

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