AC STAG-4 QBOX PLUS User Manual

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Controller User Manual
67R-01 4903
110R-00 4904
10R-03 6616
(information contained in this manual is also available
in the diagnostics software help system and at the www.ac.com.pl website)
ver. 1.7.9 2017-04-12

AC STAG-4 QBOX PLUS Specifications

General

Brand	AC
Model	STAG-4 QBOX PLUS
Category	Controller
Language	English

Summary

Controller Installation and Wiring

AC STAG Diagnostic Program

2.1. Controller-Computer Connection

Steps to connect the STAG controller to a PC for diagnostics via RS, USB, or Bluetooth.

2.4. Controller Parameters

Explanation of parameters that need individual setting for each vehicle.

2.6. Auto-Calibration

Process for calibrating the engine at idle run using the auto-calibration feature.

2.8. Errors

Overview of the errors tab, showing gas and engine controller errors.

2.8.1. Errors of the Gas Controller

Explains how gas controller errors are indicated and detected.

2.8.3. Errors the ECU

Monitoring ECU errors using the OBD2/EOBD interface, displayed as codes.

2.9. Multiplier Map

Displays charts for gas controller operational characteristics like multiplier maps.

2.9.1. Multiplier Matching

Function to modify the multiplier based on recorded map deviations.

2.10. RPM Correction Map

Map for calibrating the multiplier based on engine revolutions and injection time.

2.11. Petrol Portion Map

Configuration of petrol post-injection based on RPM and petrol injection time.

2.18. Injection Time Deviation Map

Views the difference between petrol and gas maps as a percentage.

2.19. MAP Correction Map (Autoadaptation Map)

Maps for precise correction of gas dosing based on RPM and load.

2.20. OBDII/EOBD Reader

Integrated reader for parameters and faults based on OBDII/EOBD interface.

2.23. Autoadaptation

Mechanism for real-time gas dosing correction during driving.

2.23.1. ISA3 Mode

Controller adjusts gas dose based on reference map acquired for petrol injection.

2.23.2. OBD Mode

Gas dosage correction based on parameters from OBD2/EOBD interface.

2.24. Controller Update

Steps to update the controller firmware using the diagnostic software.

Controller Programming and Calibration

3.1. Auto-calibration

Bluetooth Communication Interface

Technical Specifications