Toyota Camry (XV70): Left Rear Wheel Speed Sensor Supply Voltage Circuit Short to Ground or Open (C14E614)
DESCRIPTION
Refer to DTC C050C12
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DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
|---|---|---|---|
|
C14E614 | Left 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. |
|
|
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 C050C12.
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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 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 g1 rear speed sensor LH (rear axle hub and bearing assembly LH) 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 |
|---|---|---|
|
g1-2 (RL+) - g1-1 (RL-) |
Ignition switch ON | 11 to 14 V |
| OK | .gif) | REPLACE REAR AXLE HUB AND BEARING ASSEMBLY LH |
|
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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 gR1 skid control sensor wire LH 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 |
|---|---|---|
|
gR1-1 (RL+) - gR1-2 (RL-) |
Ignition switch ON | 11 to 14 V |
| OK | | REPLACE SKID CONTROL SENSOR WIRE LH |
|
| 3. |
CHECK HARNESS AND CONNECTOR (SKID CONTROL SENSOR WIRE LH - 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 A33 skid control ECU (brake actuator assembly) connector.
(c) Disconnect the gR1 skid control sensor wire LH 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 |
|---|---|---|
|
gR1-1 (RL+) or A33-31 (RL+) - Body ground |
Always | 10 kΩ or higher |
| OK | | REPLACE BRAKE ACTUATOR ASSEMBLY |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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DTC Detection Condition Trouble Area
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SEE MORE:
Terminals Of Ecu
TERMINALS OF ECU DCM (TELEMATICS TRANSCEIVER)
*a to Telephone Antenna (Sub)
*b to GPS Antenna
*c to Telephone Antenna (Main)
- -
Terminal No. (Symbol) Wiring Color
Terminal Description Condition
Specified Condition
K141-1 (USB-)
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
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2.
CUSTOMER PROBLEM ANALYSIS (a) Interview the customer and confirm the problem.
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NEXT
3.
