RM35X0E _54 Brake _078667 BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS _0383093 ELECTRONICALLY CONTROLLED BRAKE SYSTEM(w/o VSC OFF Switch) C

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS ELECTRONICALLY CONTROLLED BRAKE SYSTEM(w/o VSC OFF Switch) C050C1F Left Rear Wheel Speed Sensor Circuit Intermittent C05121F Right Rear Wheel Speed Sensor Circuit Intermittent

DESCRIPTION

Refer to DTC C050C12

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>C050C12201902,999999,_54,_078667,_0383093,RM100000001G8XE,C050C12

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C050C1F	Left 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 51 or 202 seconds or more. · The calculated change in wheel speed fluctuates between more than 500 m/s² and less than -500 m/s² for 51 or 202 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 51 or 202 seconds or more.	· Rear speed sensor LH (rear speed sensor) · Rear speed sensor rotor LH (rear axle hub and bearing assembly LH)
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 51 or 202 seconds or more. · The calculated change in wheel speed fluctuates between more than 500 m/s² and less than -500 m/s² for 51 or 202 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 51 or 202 seconds or more.	· Rear speed sensor RH (rear speed sensor) · 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: C050C1F
		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: C050C1F
		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.

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 hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>TEST MODE PROCEDURE201902,999999,_54,_078667,_0383093,RM100000001G8WU,

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 hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>TEST MODE PROCEDURE201902,999999,_54,_078667,_0383093,RM100000001G8WU,

DTC precaution

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>PRECAUTION201902,999999,_54,_078667,_0383093,RM100000001G8WS,

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.CHECK REAR SPEED SENSOR (CHECK FOR FOREIGN MATTER)

Remove the rear speed sensor.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>REAR SPEED SENSOR>REMOVAL201902,201906,_54,_078667,_0381526,RM100000001G0JS,201906,999999,_54,_078667,_0381526,RM100000001IPGP,

Check the rear speed sensor.

OK:: The rear speed sensor tip is free of oil and foreign matter.

HINT:: If foreign matter of 1 mm x 1 mm (0.03937 in. x 0.03937 in.) or more is adhered to the rear speed sensor, this DTC may be stored.

Result:

Proceed to
OK
NG

2.CHECK REAR SPEED SENSOR ROTOR (CHECK FOR FOREIGN MATTER)

7.CLEAN REAR SPEED SENSOR

2.CHECK REAR SPEED SENSOR ROTOR (CHECK FOR FOREIGN MATTER)

Remove the component with the rear speed sensor rotor.

for Rear Disc Brake: Click hereDrivetrain>AXLE AND DIFFERENTIAL>REAR AXLE SHAFT (for Rear Disc Brake)>REMOVAL201902,201906,_52,_079259,_0385092,RM100000001GKDW,201906,999999,_52,_079259,_0385092,RM100000001IPA9,

for Rear Drum Brake: Click hereDrivetrain>AXLE AND DIFFERENTIAL>REAR AXLE SHAFT (for Rear Drum Brake)>REMOVAL201902,999999,_52,_079259,_0385090,RM100000001GKDM,

Check the rear speed sensor rotor.

OK:: The rear speed sensor rotor is free of oil and foreign matter.

HINT:: If foreign matter of 1 mm x 1 mm (0.03937 in. x 0.03937 in.) or more is adhered to the rear speed sensor rotor, this DTC may be stored.

Result:

Proceed to
OK
NG

REPLACE REAR SPEED SENSOR AND REAR AXLE HUB AND BEARING ASSEMBLY

for rear speed sensor: Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>REAR SPEED SENSOR>REMOVAL201902,201906,_54,_078667,_0381526,RM100000001G0JS,201906,999999,_54,_078667,_0381526,RM100000001IPGP,

for rear speed sensor rotor (rear axle hub and bearing assembly) (for Rear Disc Brake): Click hereDrivetrain>AXLE AND DIFFERENTIAL>REAR AXLE SHAFT (for Rear Disc Brake)>REMOVAL201902,201906,_52,_079259,_0385092,RM100000001GKDW,201906,999999,_52,_079259,_0385092,RM100000001IPA9,

for rear speed sensor rotor (rear axle hub and bearing assembly) (for Rear Drum Brake): Click hereDrivetrain>AXLE AND DIFFERENTIAL>REAR AXLE SHAFT (for Rear Drum Brake)>REMOVAL201902,999999,_52,_079259,_0385090,RM100000001GKDM,

3.CLEAN REAR SPEED SENSOR ROTOR

Clean the rear speed sensor rotor.

NOTICE:: Do not use parts cleaner when cleaning the rear speed sensor rotor.

Result:

Proceed to
NEXT

4.CLEAR DTC

Connect the GTS to the DLC3.

Turn the ignition switch to ON.

Operate the GTS to clear the codes. Enter the following menus: Chassis / Brake / Trouble Codes.

Chassis > Brake > Clear DTCs: 50002 435

Press the DTC clear button.

Result:

Proceed to
NEXT

5.PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK)

Connect the GTS to the DLC3.

Turn the ignition switch to ON.

Using the GTS, perform a Dealer Mode (Signal Check) inspection sensor check and check that speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete. Enter the following menus: Chassis / Brake / Utility / Signal Check.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>TEST MODE PROCEDURE201902,999999,_54,_078667,_0383093,RM100000001G8WU,

Chassis > Brake > Utility

Tester Display
Signal Check

50005 435 4558

OK:: Speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.

Result:

Proceed to
OK
NG

6.RECONFIRM DTC

REPLACE REAR SPEED SENSOR AND REAR AXLE HUB AND BEARING ASSEMBLY

6.RECONFIRM DTC

Connect the GTS to the DLC3.

Start the engine.

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

Read the DTCs following the prompts on the GTS. Enter the following menus: Chassis / Brake / Trouble Codes.

Chassis > Brake > Trouble Codes: 50001 435

Check if the same DTC is output.

Result:

Result	Proceed to
C050C1F and C05121F is not output	A
C050C1F and/or C05121F is output	B

END

REPLACE REAR SPEED SENSOR AND REAR AXLE HUB AND BEARING ASSEMBLY

7.CLEAN REAR SPEED SENSOR

Clean the rear speed sensor.

NOTICE:: When cleaning the rear speed sensor, make sure to clean the installation hole before installation.

Result:

Proceed to
NEXT

8.CLEAR DTC

Connect the GTS to the DLC3.

Turn the ignition switch to ON.

Operate the GTS to clear the codes. Enter the following menus: Chassis / Brake / Trouble Codes.

Chassis > Brake > Clear DTCs: 50002 435

Press the DTC clear button.

Result:

Proceed to
NEXT

9.PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK)

Connect the GTS to the DLC3.

Turn the ignition switch to ON.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>TEST MODE PROCEDURE201902,999999,_54,_078667,_0383093,RM100000001G8WU,

Chassis > Brake > Utility

Tester Display
Signal Check

50005 435 4558

OK:: Speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.

Result:

Proceed to
OK
NG

10.RECONFIRM DTC

2.CHECK REAR SPEED SENSOR ROTOR (CHECK FOR FOREIGN MATTER)

10.RECONFIRM DTC

Connect the GTS to the DLC3.

Start the engine.

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

Read the DTCs following the prompts on the GTS. Enter the following menus: Chassis / Brake / Trouble Codes.

Chassis > Brake > Trouble Codes: 50001 435

Check if the same DTC is output.

Result:

Result	Proceed to
C050C1F and C05121F is not output	A
C050C1F and/or C05121F is output	B

END

2.CHECK REAR SPEED SENSOR ROTOR (CHECK FOR FOREIGN MATTER)