Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - POWER ASSIST SYSTEMS
READ VALUE USING GTS (SOLENOID CURRENT)
CHECK HARNESS AND CONNECTOR (POWER STEERING ECU - POWER STEERING SOLENOID VALVE)
INSPECT POWER STEERING SOLENOID VALVE ASSEMBLY
DTC C15F0 VFC Solenoid Circuit
DESCRIPTION
This circuit supplies electric power to the power steering solenoid valve.
The power steering ECU controls the output current to the power steering solenoid valve in accordance with the steering angle signal, VGRS relative angle signal, steering zero point memory, vehicle speed signal and engine speed signal, adjusting the amount of power steering assist.
| DTC Code | DTC Detection Condition | Trouble area |
| C15F0 | A short or open in the solenoid valve circuit. | Harness or connector Vane pump assembly Power steering ECU assembly |
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.READ VALUE USING GTS (SOLENOID CURRENT) |
Turn the engine switch off.
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Chassis / PPS / Data List.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
| Solenoid Current | Solenoid Current/ Min.: 0 mA Max.: 1000 mA | 200 to 950 mA | The engine is running and the steering wheel is being turned. |
- OK:
- The normal condition value is displayed on the GTS.
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| OK | ||
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| 2.CHECK HARNESS AND CONNECTOR (POWER STEERING ECU - POWER STEERING SOLENOID VALVE) |
Disconnect the E102 power steering ECU connector.
Disconnect the C149 power steering solenoid valve connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition E102-7 (SOF+) - C149-2 (SOF+) Always Below 1 Ω E102-8 (SOF-) - C149-1 (SOF-) E102-7 (SOF+) - Body ground Always 10 kΩ or higher E102-8 (SOF-) - Body ground
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| OK | |
| 3.INSPECT POWER STEERING SOLENOID VALVE ASSEMBLY |
Disconnect the C149 power steering solenoid valve connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition 1 (SOF-) - 2 (SOF+) 20°C (68°F) 6.7 to 7.3 Ω
Connect the positive (+) lead of the battery with a 21 W bulb to terminal 2 (SOF+) and the negative (-) lead to terminal 1 (SOF-) of the solenoid valve connector. Then check that the valve moves and makes an operating noise.
- OK:
- Valve moves and makes an operating noise.
| *a | Component without harness connected (Power Steering Solenoid Valve) |
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| OK | ||
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