Request Control of On-Board System, Test or Component

July 3, 2012 OBD Scantool Software Guide

Mode $8: Request Control of On-Board System, Test or Component

OBD Scantool toolbar


This service is currently unavailable and cannot be selected.

This service would allow the control of an on-board system, test or component operation, however, the provision of such functionality is left to the vehicle manufacturer to implement. An optional feature of this service is for the ECU to indicate which Test ID’s are supported. If the vehicle’s on-board computer indicates that no Test ID’s are supported, the following message will be displayed:

Not Supported

and the applicable option on the toolbar disabled.

If the service is supported the following will be displayed. This service enables the conditions required to conduct an evaporative system leak test, but will not actually run the test.

Select All

  • The Help button provides a shortcut to this help topic. Contextual Help

Mode $1: Request Current Powertrain Diagnostic Data
Mode $2: Request Powertrain Freeze Frame Data
Mode $3: Request Emission-related Powertrain Diagnostic Trouble Codes
Mode $4: Clear/Reset Emission-related Diagnostic Information
Mode $5: Request Oxygen Sensor Monitoring test Results
Mode $6: Request On-Board Monitoring Test Results for Non-Continuously Monitored Systems
Mode $7: Request On-Board Monitoring Test Results for Continuously Monitored Systems
Mode $9: Request Vehicle Information

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