Toyota Camry owners & service manuals

Toyota Camry (XV70): Left Front Wheel Speed Sensor Supply Voltage Circuit Short to Ground or Open (C14E014)

DESCRIPTION

Refer to DTC C050012

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DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C14E014

Left Front 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.

  • Front speed sensor LH
  • Wire harness or connector
  • Skid control ECU (brake actuator assembly)
DTC Detection Conditions: C14E014
 

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 C050012.

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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.

    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 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 Front Speed Sensor LH)

(b) Disconnect the A36 front speed sensor LH 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

A36-1 (FL+) - A36-2 (FL-)

Ignition switch on

11 to 14 V

OK

REPLACE FRONT SPEED SENSOR LH

NG

2.

CHECK HARNESS AND CONNECTOR (FRONT SPEED SENSOR LH - 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 A36 front speed sensor LH 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

A36-1 (FL+) or A34-24 (FL+) - Body ground

Always

10 kΩ or higher

OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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