Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Left Front Wheel Speed Sensor Circuit Voltage Out of Range (C05001C)

DESCRIPTION

Refer to DTC C050012

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DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C05001C

Left Front Wheel Speed Sensor Circuit Voltage Out of Range

  • When the vehicle is being driven in a straight line at a speed of 20 km/h (12 mph) or more and VSC/TRAC has permission to control vehicle braking, one of the following conditions is met when the difference between the highest wheel speed and the lowest wheel speed is 6% or more*1 for between 9 and 72 seconds or more (period changes depending on vehicle conditions):
    • When the difference between the highest wheel speed and the second highest wheel speed is 5 km/h (3 mph) or more, the wheel speed is high compared to other speed sensors.
    • The value of the wheel speed is continuously the slowest.
    • When the wheel speed is less than 5 km/h (3 mph).
  • When the vehicle speed is less than 100 km/h (62 mph), one of the following conditions is met when the difference between the highest wheel speed and the lowest wheel speed is 6 km/h (4 mph) or more*2 for between 9 and 72 seconds or more (period changes depending on vehicle conditions):
    • When the difference between the highest wheel speed and the second highest wheel speed is 5 km/h (3 mph) or more, the wheel speed is high compared to other speed sensors.
    • The value of the wheel speed is continuously the slowest.
    • When the wheel speed is less than 5 km/h (3 mph).
  • When the vehicle speed is 100 km/h (62 mph) or more, one of the following conditions is met when the difference between the highest wheel speed and the lowest wheel speed is 6% or more*1 for between 9 and 72 seconds or more (period changes depending on vehicle conditions):
    • When the difference between the highest wheel speed and the second highest wheel speed is 5 km/h (3 mph) or more, the wheel speed is high compared to other speed sensors.
    • The value of the wheel speed is continuously the slowest.
    • When the wheel speed is less than 5 km/h (3 mph).
  • Front speed sensor LH
  • Front speed sensor rotor LH (front axle hub sub-assembly LH)
  • Speed sensor installation
  • Tire wear
  • Tire pressure
  • Tire and wheel size

*1: When more than 1 wheel has a wheel speed of less than 5 km/h (3 mph), a difference of 15% is permitted.

*2: When more than 1 wheel has a wheel speed of less than 5 km/h (3 mph), a difference of 16 km/h (10 mph) is permitted.

CAUTION / NOTICE / HINT

NOTICE:

DTC precaution

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Procedure to clear warning lights (When not clearing DTCs)

Procedure

  1. Repair or replacement.
  2. Turn the ignition switch to ON.
  3. Drive the vehicle at 11 km/h (7 mph) or more for 1 second or more to clear the warning lights.

PROCEDURE

1.

PRE-CHECK

(a) Check that all 4 tires are of correct size, are inflated to the correct pressure, and do not show excessive signs of wear.

Click here

HINT:

If a tire is deformed or an incorrectly sized tire or wheel is installed, this DTC may be stored.

NEXT

2.

CHECK FREEZE FRAME DATA (WHEEL SPEED)

(a) Select a DTC to display the Freeze Frame Data using the GTS.

(b) Read the freeze frame data of DTC C05001C.

Chassis > Brake/EPB

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

FR Wheel Speed

Front wheel speed sensor RH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

FL Wheel Speed

Front wheel speed sensor LH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

RR Wheel Speed

Rear wheel speed sensor RH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

RL Wheel Speed

Rear wheel speed sensor LH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

Chassis > Brake/EPB > DTC(C05001C) > Freeze Frame Data

Tester Display

FR Wheel Speed

FL Wheel Speed

RR Wheel Speed

RL Wheel Speed

Result

Proceed to

The value of FL Wheel Speed is more than all other values.

A

The value of FL Wheel Speed is less than all other values.

B

The value of FL Wheel Speed is less than 5 km/h (3 mph).

C

B

GO TO STEP 4

C

GO TO STEP 7

A

3.

READ VALUE USING GTS (WHEEL SPEED)

(a) Check the Data List using the GTS.

Chassis > Brake/EPB > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

FR Wheel Speed

Front wheel speed sensor RH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

FL Wheel Speed

Front wheel speed sensor LH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

RR Wheel Speed

Rear wheel speed sensor RH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

RL Wheel Speed

Rear wheel speed sensor LH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

Chassis > Brake/EPB > Data List

Tester Display

FR Wheel Speed

FL Wheel Speed

RR Wheel Speed

RL Wheel Speed

(b) Start the engine.

(c) Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.

(d) Check the value of Wheel Speed.

OK:

The difference between the value of FL Wheel Speed and all other values is less than 6%.

HINT:

If the result of the road test is within the specified range, it is possible that this DTC was stored due to a particular situation such as wheelspin.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE FRONT SPEED SENSOR LH

4.

READ VALUE USING GTS (WHEEL SPEED)

(a) Check the Data List using the GTS.

Chassis > Brake/EPB > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

FR Wheel Speed

Front wheel speed sensor RH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

FL Wheel Speed

Front wheel speed sensor LH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

RR Wheel Speed

Rear wheel speed sensor RH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

RL Wheel Speed

Rear wheel speed sensor LH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

Chassis > Brake/EPB > Data List

Tester Display

FR Wheel Speed

FL Wheel Speed

RR Wheel Speed

RL Wheel Speed

(b) Start the engine.

(c) Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.

(d) Check the value of Wheel Speed.

OK:

The difference between the value of FL Wheel Speed and all other values is less than 6%.

HINT:

If the result of the road test is within the specified range, it is possible that this DTC was stored due to a particular situation such as brake drag.

OK

USE SIMULATION METHOD TO CHECK

NG

5.

CHECK FRONT SPEED SENSOR LH INSTALLATION

(a) Check the front speed sensor LH installation.

OK:

There is no clearance between the front speed sensor LH and the steering knuckle LH.

The installation bolt is tightened properly.

Torque

8.5 N*m (87 kgf*cm, 75 in.*lbf)

*1

Front Speed Sensor LH

*a

Correct

*b

Incorrect

*c

8.5 N*m (87 kgf*cm, 75 in.*lbf)

*d

No clearance

NG

REINSTALL OR REPLACE FRONT SPEED SENSOR LH

OK

6.

CHECK FRONT SPEED SENSOR ROTOR LH (CHECK FOR FOREIGN MATTER)

(a) Remove the component with the front speed sensor rotor LH.

Click here

(b) Check the front speed sensor rotor LH.

OK:

The front speed sensor rotor LH is free of scratches, oil, and foreign matter.

NOTICE:

  • If there is oil or foreign matter on the front speed sensor rotor LH, clean the front speed sensor rotor LH.
  • Do not use parts cleaner when cleaning the front speed sensor rotor LH.
  • If the front speed sensor rotor LH is damaged, replace the front axle hub sub-assembly LH with a new one.

Result

Proceed to

OK

A

NG (The front speed sensor rotor LH is damaged.)

B

NG (There is foreign matter on the front speed sensor rotor LH.)

C

A

REPLACE FRONT SPEED SENSOR LH

B

REPLACE FRONT AXLE HUB SUB-ASSEMBLY LH

C

CLEAN FRONT SPEED SENSOR ROTOR LH

7.

READ VALUE USING GTS (FL WHEEL SPEED)

(a) Check the Data List using the GTS.

Chassis > Brake/EPB > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

FL Wheel Speed

Front wheel speed sensor LH reading

Min.: 0.0 km/h (0.0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

Chassis > Brake/EPB > Data List

Tester Display

FL Wheel Speed

(b) Start the engine.

(c) Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.

(d) Check the value of FL Wheel Speed.

OK:

The value of FL Wheel Speed is 5 km/h (3 mph) or more.

HINT:

If the result of the road test is within the specified range, it is possible that this DTC was stored due to a particular situation such as wheelspin, brake drag or wheel lockup.

When a DTC is stored during operation of ABS or TRAC, the system also stores vehicle control history (RoB) that can be guessed the vehicle conditions.

Click here

OK

USE SIMULATION METHOD TO CHECK

NG

8.

CHECK FRONT SPEED SENSOR LH INSTALLATION

(a) Check the front speed sensor LH installation.

OK:

There is no clearance between the front speed sensor LH and the steering knuckle LH.

The installation bolt is tightened properly.

Torque

8.5 N*m (87 kgf*cm, 75 in.*lbf)

*1

Front Speed Sensor LH

*a

Correct

*b

Incorrect

*c

8.5 N*m (87 kgf*cm, 75 in.*lbf)

*d

No clearance

OK

REPLACE FRONT SPEED SENSOR LH

NG

REINSTALL OR REPLACE FRONT SPEED SENSOR LH

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    SEE MORE:

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     Parts Location

    PARTS LOCATION ILLUSTRATION *1 INVERTER WATER PUMP ASSEMBLY *2 INVERTER WITH CONVERTER ASSEMBLY *3 ECM *4 COMPRESSOR WITH MOTOR ASSEMBLY *5 HYBRID VEHICLE TRANSAXLE ASSEMBLY *6 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSE

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