For 1990-2009 cars

Table 1: | EHPS (Electrohydraulic Power Steering) Scan Tool Data Parameters
Table 2: | EHPS (Electrohydraulic Power Steering) Scan Tool Output Controls

#### EHPS (Electrohydraulic Power Steering) Scan Tool Data Parameters

Parameter | System State | Expected Value | Description
--- | --- | --- | ---
Operating Conditions: Ignition ON
Actual Motor Current | -- | Varies | This displays A. This is the actual motor current.
Actual Pump Speed | -- | Varies | This displays RPM. This is the actual pump speed.
Battery Voltage | -- | Varies | This displays V. This is the current battery voltage.
Desired Pump Speed | -- | Varies | This displays RPM. This is the desired pump speed.
Engine Running Signal | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the vehicle engine.

#### EHPS (Electrohydraulic Power Steering) Scan Tool Output Controls

Output Control | Description
--- | ---
ECU Identification Data | This output control is used to program the electronic control unit (ECU) or control module identification data.
Motor Test | This output control is used to command the EHPS motor.
Program Code Index | This output control is used to program the code index.
Program ECU | This output control is used to program the electronic control unit (ECU) or control module.
Program High Speed CAN-Bus Config. | This output control is used to program the high speed control area network (CAN) serial data bus configuration.