RM3660EC _54 Brake _080770 BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS _0599814 ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for Gasoline Model (NR Series)) C

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS  ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for Gasoline Model (NR Series))  C051214  Right Rear Wheel Speed Sensor Circuit Short to Ground or Open  


DESCRIPTION

Refer to DTC C051212

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model (NR Series))>C051212

DTC No. Detection Item DTC Detection Condition Trouble Area
C051214 Right Rear Wheel Speed Sensor Circuit Short to Ground or Open A short or open circuit is detected in the speed sensor signal circuit for 0.12 seconds or more.
·

Rear speed sensor RH (rear axle hub and bearing assembly RH)

·

Wire harness or connector

·

Skid control sensor wire RH (No. 1 parking brake wire assembly)

·

Skid control ECU (brake actuator assembly)



DTC Detection Conditions: C051214
Vehicle Condition
Pattern 1 Pattern 2
Diagnosis Condition - - -
Malfunction Status An open circuit is detected in the speed sensor signal circuit. -
A short circuit is detected in the speed sensor signal circuit. -
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.


CAUTION / NOTICE / HINT

NOTICE:
·

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

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model (NR Series))>UTILITY

·

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 (for Gasoline Model (NR Series))>TEST MODE PROCEDURE



PROCEDURE

1.CHECK HARNESS AND CONNECTOR (SENSOR GROUND CIRCUIT)
a.
C375628C33
0.354,0.677 0.74,0.948 0.385,0.271 2.083,1.75 1.844,1.146 true 1.417,1.75 1.594,1.146 true 0.208,0.188 0.521,0.385 0.313,0.198 10 false *a 0.469,0.75 0.781,0.948 0.313,0.198 10 false o2 2.021,1.802 2.417,2.021 0.396,0.219 10 false RR+ 1.313,1.792 1.708,2.01 0.396,0.219 10 false RR-
*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))


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 o2 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
o2-2 (RR+) - o2-1 (RR-) Ignition switch ON 11 to 14 V



Result:
Proceed to
OK
NG



OK

2.INSPECT NO. 1 PARKING BRAKE WIRE ASSEMBLY

NG

4.INSPECT NO. 1 PARKING BRAKE WIRE ASSEMBLY
2.INSPECT NO. 1 PARKING BRAKE WIRE ASSEMBLY
a.
C367773C62
0.833,0.583 1.25,0.833 0.417,0.25 2.281,0.583 2.698,0.833 0.417,0.25 0.927,1.781 0.75,2.417 true 2.615,1.906 2.75,2.417 true 0.25,0.208 0.563,0.365 0.313,0.156 10 false *a 0.99,0.99 1.302,1.146 0.313,0.156 10 false *b 2.406,0.99 2.719,1.146 0.313,0.156 10 false *c 0.656,2.448 1.052,2.677 0.396,0.229 10 false RR- 0.979,0.625 1.271,0.823 0.292,0.198 9 false o2 2.365,0.635 2.729,0.813 0.365,0.177 10 false oO2 2.698,2.458 3.094,2.688 0.396,0.229 10 false RR-
*a Front view of skid control sensor wire RH (No. 1 parking brake wire assembly)
*b Front view of wire harness connector
(to Sensor Side Connector)
*c Front view of wire harness connector
(to Vehicle Side Connector)


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 o2 skid control sensor wire RH (No. 1 parking brake wire assembly) connector.


c.

Disconnect the oO2 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
o2-1 (RR-) or oO2-2 (RR-) - Body ground and other terminals Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (NO. 1 PARKING BRAKE WIRE ASSEMBLY - BRAKE ACTUATOR ASSEMBLY)

NG

REPLACE NO. 1 PARKING BRAKE WIRE ASSEMBLY

3.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 A51 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the oO2 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
oO2-2 (RR-) or A51-37 (RR-) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.INSPECT NO. 1 PARKING BRAKE WIRE ASSEMBLY
a.
C367773C62
0.833,0.583 1.25,0.833 0.417,0.25 2.281,0.583 2.698,0.833 0.417,0.25 0.927,1.781 0.75,2.417 true 2.615,1.906 2.75,2.417 true 0.25,0.208 0.563,0.365 0.313,0.156 10 false *a 0.99,0.99 1.302,1.146 0.313,0.156 10 false *b 2.406,0.99 2.719,1.146 0.313,0.156 10 false *c 0.656,2.448 1.052,2.677 0.396,0.229 10 false RR- 0.979,0.625 1.271,0.823 0.292,0.198 9 false o2 2.365,0.635 2.729,0.813 0.365,0.177 10 false oO2 2.698,2.458 3.094,2.688 0.396,0.229 10 false RR-
*a Front view of skid control sensor wire RH (No. 1 parking brake wire assembly)
*b Front view of wire harness connector
(to Sensor Side Connector)
*c Front view of wire harness connector
(to Vehicle Side Connector)


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 o2 skid control sensor wire RH (No. 1 parking brake wire assembly) connector.


c.

Disconnect the oO2 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
o2-1 (RR-) - oO2-2 (RR-) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (NO. 1 PARKING BRAKE WIRE ASSEMBLY - BRAKE ACTUATOR ASSEMBLY)

NG

REPLACE NO. 1 PARKING BRAKE WIRE ASSEMBLY

5.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 A51 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the oO2 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
oO2-2 (RR-) - A51-37 (RR-) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR