How to self test GM tech2, keypad, CANDI and RS232
These files will step-by-step show you how to execute a self test your Tech2 device
General Tech2 self test
Keypad test
CANdi self test
RS232 self test
RS232 Loopback connector
Cut off an eight-pin connector about three inches from the end.
Number the pins 1 thru 8 as you like.
Splice the pin wire pairs as follows:
TECH2 Keyboard and RS232 Loopback Self Test;
Attach (p/n 3000112) RS232 eight-pin loop back connector to left side port of Tech2.
Attach (p/n 3000095) cable to the VCI in the bottom on the TECH2.
Attach (p/n 3000109) loop back adapter to the other end of the cable.
Connect a 12vdc power source to the TECH2.
Press ENTER
.
Select TOOL OPTIONS
.
Select TECH 2 Self Test
Read the screen and press EXIT
.
Select Automated Main and VCI
.
Read the results.