Cycle Outputs
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
A scan tool may be used in order to command the EHPS pump speed enable message ON or OFF. This can be very helpful in determining if a certain portion of a circuit or a component is in working order. The following tests are available under the Special Functions selection. The following can be commanded ON or OFF:
- EHPS pump speed
- BPP sensor minimum position learn
Electro-Hydraulic Power Steering (EHPS) Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Park brake set with the ignition switch ON/Ignition Switch in RUN/Automatic Transmission in PARK/Air Conditioning is OFF | |||
| Brake Pedal Travel | Data | mm | -50 to 200 mm |
| BPP Sensor Rate | Data | ms | 0 to +10%/25 ms |
| BPP Sensor Input Volts | Data | Volts | 0 to 5 Volts |
| BPP Sensor Output Volts | Data | Volts | 0 to 5 Volts |
| EHPS 42 V Bus Voltage | Data | Volts | 0 to 76 Volts |
| EHPS Ignition 0 | Data | OFF/ON | ON |
| EHPS Ignition 1 | Data | OFF/ON | ON |
| EHPS Demand | Data | % | -100 to +100% |
| EHPS Demand Speed | Data | RPM | 0 to +7500 RPM |
| EHPS ECU Temperature | Data | °C | -180 to +180°C (-238 to +302°F) |
| EHPS Manifold Temperature | Data | °C | -180 to +180°C (-238 to +302°F) |
| EHPS Motor Current | Data | A | 0 to +200 A |
| EHPS Motor RPM | Data | RPM | 0 to +7500 RPM |
| Steering Wheel Rate | Data | °/s | 0 to 2048°/s |
| Steering Wheel Sensor Phase A Volts | Data | Low/High | Low |
| Steering Wheel Sensor Phase B Volts | Data | Low/High | High |
| Vehicle Speed | Data | km/h | 0 |