Toyota Camry (XV70): Right Front Wheel Speed Sensor Signal Stuck Low (C050623)
DESCRIPTION
Refer to DTC C050612
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DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
|---|---|---|---|
|
C050623 | Right Front Wheel Speed Sensor Signal Stuck Low |
|
|
|
Vehicle Condition | ||||
|---|---|---|---|---|
|
Pattern 1 | Pattern 2 |
Pattern 3 | ||
|
Diagnosis Condition | The vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph). |
○ | - |
- |
| The vehicle speed reaches 18 km/h (11 mph). |
- | ○ |
- | |
| The vehicle speed and wheel speed are both 50.4 km/h (31.3 mph) or more. |
- | - |
○ | |
|
Malfunction Status | The wheel speed is 1.8 km/h (1.1 mph) or less. |
○ | - |
- |
| The wheel speed has not exceeded 1.8 km/h (1.1 mph). |
- | ○ |
- | |
| The pulse signal is not detected. |
- | - |
○ | |
|
Detection Time | 0.6 seconds or more. |
- | 0.08 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.
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- DTC precaution
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Procedure to clear warning lights (When not clearing DTCs) Procedure
- Repair or replacement.
- Turn the ignition switch to ON.
- Drive the vehicle at 2 km/h (1 mph) or more to clear the warning lights.
PROCEDURE
|
1. | CHECK FREEZE FRAME DATA (WHEEL SPEED) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Enter the following menus: Chassis / Brake / Trouble Codes.
(d) Select a DTC to display the Freeze Frame Data.
(e) Read the freeze frame data of DTC C050623.
Chassis > Brake|
Tester Display | Measurement Item |
Range | Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
FR Wheel Speed | Front wheel speed sensor RH reading |
Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph) |
Vehicle stopped: 0.0 km/h (0.0 mph) |
When driving at constant speed: No large fluctuations |
|
FL Wheel Speed | Front wheel speed sensor LH reading |
Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph) |
Vehicle stopped: 0.0 km/h (0.0 mph) |
When driving at constant speed: No large fluctuations |
|
RR Wheel Speed | Rear wheel speed sensor RH reading |
Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph) |
Vehicle stopped: 0.0 km/h (0.0 mph) |
When driving at constant speed: No large fluctuations |
|
RL Wheel Speed | Rear wheel speed sensor LH reading |
Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph) |
Vehicle stopped: 0.0 km/h (0.0 mph) |
When driving at constant speed: No large fluctuations |
|
Tester Display |
|---|
| FR Wheel Speed |
|
FL Wheel Speed |
| RR Wheel Speed |
|
RL Wheel Speed |
|
Result | Proceed to |
|---|---|
|
The value of FR Wheel Speed is 2 km/h (1 mph) or less when all other values are 12 km/h (7 mph) or more. |
A |
| The value of FR Wheel Speed is 2 km/h (1 mph) or less when all other values are 50 km/h (31 mph) or more. |
B |
| B |
.gif) | GO TO STEP 3 |
|
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| 2. |
READ VALUE USING TECHSTREAM (FR WHEEL SPEED) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Enter the following menus: Chassis / Brake / Data List.
Chassis > Brake > Data List|
Tester Display | Measurement Item |
Range | Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
FR Wheel Speed | Front wheel speed sensor RH reading |
Min.: 0.0 km/h (0.0 mph), Max.: 6553.5 km/h (4072 mph) |
Vehicle stopped: 0.0 km/h (0.0 mph) |
When driving at constant speed: No large fluctuations |
|
Tester Display |
|---|
| FR Wheel Speed |
(d) Start the engine and perform a road test.
(e) Check that the value of FR Wheel Speed changes in accordance with vehicle speed when accelerating from 0 km/h to 20 km/h (0 mph to 12 mph).
OK:
The value of FR Wheel Speed changes in accordance with vehicle speed.
HINT:
If the result of the road test is within the specified range, it is possible that this DTC was stored due to a particular situation such as brake drag, wheelspin or wheel lockup.
| OK | | USE SIMULATION METHOD TO CHECK
|
|
| 3. |
CHECK FRONT SPEED SENSOR RH INSTALLATION |
| (a) Check the front speed sensor RH installation. OK: There is no clearance between the front speed sensor RH and the steering knuckle RH. The installation bolt is tightened properly. Torque 8.5 N*m (87 kgf*cm, 75 in.*lbf) |
|
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| OK | | REPLACE FRONT SPEED SENSOR RH |
| NG | | REINSTALL OR REPLACE FRONT SPEED SENSOR RH |
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HINT:
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Pre-collision system: Click here
Lane tracing assist system: Click here
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