This is the CAN DI test for GM Tech2. When your GM tech 2 has problem, you can use the following ways to do the test, then you can know which part of your GM tech 2 has problem.
Attention: Before you do the test, make sure the connection for OBD adapter, OBD cable, CAN DI, power supply for GM tech 2 main unit are right. These components must be connected rightly.
When test CAN DI, power should be supplied from OBD adapter.
Photo 8: Result 1
Photo 10: Result 2
There are two result for this CAN DI test. The right result is photo 8 and photo 10.
