Toyota Camry owners & service manuals

Toyota Camry (XV70): Right Rear Wheel Speed Sensor Circuit Intermittent (C05121F)

Toyota Camry Repair Manual XV70 (2018-2024) / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System (w/o Electric Parking Brake System) / Right Rear Wheel Speed Sensor Circuit Intermittent (C05121F)

DESCRIPTION

Refer to DTC C051212

Click here

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C05121F

Right Rear Wheel Speed Sensor Circuit Intermittent
  • The speed sensor signal is excessively noisy.
  • The calculated change in wheel speed is more than 980 m/s2 for 5*1 or 20*2 seconds or more.
  • The calculated change in wheel speed fluctuates between more than 500 m/s2 and less than -500 m/s2 for 5*1 or 20*2 seconds or more.
  • When the vehicle speed is low, excessive noise in the speed sensor pulse signal is detected 3 times or more within 0.005 seconds for 5*1 or 20*2 seconds or more.
  • Rear speed sensor RH (rear axle hub and bearing assembly RH)
  • Rear speed sensor rotor RH (rear axle hub and bearing assembly RH)
  • *1: The stop light switch assembly is OFF.
  • *2: The stop light switch assembly is ON.
DTC Detection Conditions: C05121F
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Diagnosis Condition

The Stop light switch assembly is OFF.

-

○

○

○

Malfunction Status

The speed sensor signal is excessively noisy.

○

-

-

-

The calculated change in wheel speed is more than 980 m/s2.

-

○

-

-

The calculated change in wheel speed fluctuates between more than 500 m/s2 and less than -500 m/s2.

-

-

○

-

The vehicle speed is low, excessive noise in the speed sensor pulse signal is detected 3 times or more within 0.005 seconds.

-

-

-

○

Detection Time

-

5 seconds or more.

5 seconds or more.

5 seconds or more.

Number of Trips

1 trip

1 trip

1 trip

1 trip

HINT:

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

DTC Detection Conditions: C05121F
 

Vehicle Condition

Pattern 5

Pattern 6

Pattern 7

Diagnosis Condition

The stop light switch assembly is ON.

○

○

○

Malfunction Status

The calculated change in wheel speed is more than 980 m/s2.

○

-

-

The calculated change in wheel speed fluctuates between more than 500 m/s2 and less than -500 m/s2.

-

○

-

The vehicle speed is low, excessive noise in the speed sensor pulse signal is detected 3 times or more within 0.005 seconds.

-

-

○

Detection Time

20 seconds or more.

20 seconds or more.

20 seconds or more.

Number of Trips

1 trip

1 trip

1 trip

HINT:

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

CAUTION / NOTICE / HINT

NOTICE:

  • 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

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

    Click here

  • DTC precaution

    Click here

    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 54 km/h (34 mph) or more for 3 seconds or more to clear the warning lights.

PROCEDURE

1.

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY RH

(a) Replace the rear axle hub and bearing assembly RH.

Click here

NEXT

END

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