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Troubleshooting With System Checker 83

System Checker 83 (49 G030 920 ) can be used to detect (via the control unit check terminal) and indicate any problems of each sensor and damaged wiring or poor contact or short circuit between each of the sensor-control units.

Trouble is indicated by a red lamp and a buzzer. The indication for problems of each sensor are shown in table below.

SENSOR PROBLEM INDICATION

Code No. Location of Problem
1 Engine Speed
2 Water Thermo-Sensor
3 Feed Back System
4 Vacuum Sensor
5 EGR Position Sensor