Toyota Camry (XV70): Right Rear Wheel Speed Sensor Supply Voltage Circuit Short to Ground or Open (C14E914)
DESCRIPTION
Refer to DTC C051212
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|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
|---|---|---|---|
|
C14E914 | Right Rear 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. |
|
*1: for 2WD
*2: for AWD
DTC Detection Conditions: C14E914|
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 C051212.
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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.
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- After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.
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PROCEDURE
|
1. | CHECK VEHICLE |
(a) Check the vehicle specification.
| Result |
Proceed to |
|---|---|
| for 2WD |
A |
| for AWD |
B |
| B |
.gif) | GO TO STEP 5 |
|
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| 2. |
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. |
|
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(b) Disconnect the u2 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 |
|---|---|---|
|
u2-2 (RA+) - u2-1 (RA-) |
Ignition switch on | 11 to 14 V |
| OK | | REPLACE REAR AXLE HUB AND BEARING ASSEMBLY RH |
|
| 3. |
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. |
|
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(b) Disconnect the uR1 skid control sensor wire RH (No. 1 parking brake wire assembly) 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 |
|---|---|---|
|
uR1-1 (RR+) - uR1-2 (RR-) |
Ignition switch on | 11 to 14 V |
| OK | | REPLACE NO. 1 PARKING BRAKE WIRE ASSEMBLY |
|
| 4. |
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 A34 skid control ECU (brake actuator assembly) connector.
(c) Disconnect the uR1 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 |
|---|---|---|
|
uR1-1 (RR+) or A34-22 (RR+) - Body ground |
Always | 10 kΩ or higher |
| OK | | REPLACE BRAKE ACTUATOR ASSEMBLY |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
| 5. |
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. |
|
(b) Disconnect the u2 rear speed sensor 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 |
|---|---|---|
|
u2-2 (RA+) - u2-1 (RA-) |
Ignition switch on | 11 to 14 V |
| OK | | REPLACE REAR SPEED SENSOR RH |
| NG | | GO TO STEP 3 |
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(1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times.
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