DESCRIPTION
Refer to DTC C05001F.
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DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
C050012 | Left Front Wheel Speed Sensor Circuit Short to Battery | The speed sensor short signal is ON continuously for 0.5 seconds or more. |
|
*: w/ AVS
WIRING DIAGRAM
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CAUTION / NOTICE / HINT
NOTICE:
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PROCEDURE
1. | CHECK VEHICLE SPECIFICATION |
(a) Check the vehicle specification.
Result | Proceed to |
---|---|
w/o AVS | A |
w/ AVS | B |
B | ![]() | GO TO STEP 5 |
|
2. | CHECK HARNESS AND CONNECTOR (SENSOR GROUND 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 A92 front speed sensor LH connector.
(c) Check both the connector case and the terminals for deformation and corrosion.
OK:
No deformation or corrosion.
(d) Turn the engine switch on (IG).
(e) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
A92-3 (FL+) - A92-4 (FL-) | Engine switch on (IG) | 11 to 14 V |
OK | ![]() | REPLACE FRONT SPEED SENSOR LH |
|
3. | CHECK HARNESS AND CONNECTOR (SENSOR GROUND CIRCUIT) |
(a) Turn the engine switch off. |
|
(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.
OK:
The connector is securely connected.
(c) Disconnect the A41 skid control ECU (brake actuator assembly) connector.
(d) Check both the connector case and the terminals for deformation and corrosion.
OK:
No deformation or corrosion.
(e) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
A92-4 (FL-) - Body ground | Always | Below 1.5 V |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. | CHECK HARNESS AND CONNECTOR (FRONT SPEED SENSOR LH - BRAKE ACTUATOR ASSEMBLY) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
A92-3 (FL+) or A41-22 (FL+) - A92-4 (FL-) or A41-21 (FL-) | Always | 10 kΩ or higher |
OK | ![]() | REPLACE BRAKE ACTUATOR ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
5. | CHECK HARNESS AND CONNECTOR (SENSOR GROUND 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 z14 front speed sensor LH connector.
(c) Check both the connector case and the terminals for deformation and corrosion.
OK:
No deformation or corrosion.
(d) Turn the engine switch on (IG).
(e) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
z14-1 (FL+) - z14-2 (FL-) | Engine switch on (IG) | 11 to 14 V |
OK | ![]() | REPLACE FRONT SPEED SENSOR LH |
|
6. | CHECK HARNESS AND CONNECTOR (SENSOR GROUND CIRCUIT) |
(a) Turn the engine switch off. |
|
(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.
OK:
The connector is securely connected.
(c) Disconnect the A90 front 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) Turn the engine switch on (IG).
(f) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
A90-3 (FL+) - A90-4 (FL-) | Engine switch on (IG) | 11 to 14 V |
OK | ![]() | REPLACE FRONT SKID CONTROL SENSOR WIRE LH |
|
7. | CHECK HARNESS AND CONNECTOR (SENSOR GROUND CIRCUIT) |
(a) Turn the engine switch off. |
|
(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.
OK:
The connector is securely connected.
(c) Disconnect the A41 skid control ECU (brake actuator assembly) connector.
(d) Check both the connector case and the terminals for deformation and corrosion.
OK:
No deformation or corrosion.
(e) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
A90-4 (FL-) - Body ground | Always | Below 1.5 V |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
8. | CHECK HARNESS AND CONNECTOR (FRONT SKID CONTROL SENSOR WIRE LH - BRAKE ACTUATOR ASSEMBLY) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
A90-3 (FL+) or A41-22 (FL+) - A90-4 (FL-) or A41-21 (FL-) | Always | 10 kΩ or higher |
OK | ![]() | REPLACE BRAKE ACTUATOR ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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