Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - CRUISE CONTROL
CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM OR ANTI-LOCK BRAKE SYSTEM)
CHECK DTC (CRUISE CONTROL SYSTEM)
DTC P0503 Vehicle Speed Sensor "A" Intermittent / Erratic / High
DESCRIPTION
If a malfunction (a rapid change in vehicle speed) in the vehicle speed signal being output from the master cylinder solenoid (skid control ECU) is detected while the cruise control is in operation, the ECM determines there to be a momentary interruption and noise, and outputs a DTC.
| DTC Code | DTC Detection Condition | Trouble Area |
| P0503 | A momentary interruption and noise are detected when a rapid change of the vehicle speed occurs while the cruise control is in operation. | Vehicle speed sensor Vehicle speed sensor signal circuit ECM Combination meter |
INSPECTION PROCEDURE
This DTC code may be output under the vehicle stability control system at the same time. In that case, perform troubleshooting for the vehicle stability control system first.
| 1.CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM OR ANTI-LOCK BRAKE SYSTEM) |
Using the intelligent tester, enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Code.
Check for DTCs ().
| Result | Proceed to |
| OK (DTC is not output) | A |
| NG (for Vehicle Stability Control System) | B |
| NG (for Anti-lock Brake System) | C |
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| A | |
| 2.CHECK DTC (CRUISE CONTROL SYSTEM) |
Using the intelligent tester, enter the following menus: Powertrain / Cruise Control / Trouble Code.
Clear the DTC ().
Perform the following to make sure the DTC detection conditions are met.
- HINT:
- If the detection conditions are not met, the system cannot detect the malfunction.
Drive the vehicle at a speed of 45 km/h (28 mph) or more.
Turn the cruise control main switch on.
Push the -SET switch to activate the cruise control.
Check for DTCs ().
| Result | Proceed to |
| OK (DTC P0503 is not output) | A |
| NG (for 1GR-FE) | B |
| NG (for 1UR-FE) | C |
| NG (for 3UR-FE) | D |
| NG (for 1VD-FTV) | E |
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| A | ||
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