Operation of the DRBII

This HELP contains the following information and instructions:

How to use the DRBII keys
How to reach the A-604 menu
How to read or erase fault messages with the DRBII
How to select a DRBII test function
How to use the DRBII Volt/Ohmmeter
How to use the DRBII menu

If there is a problem with the operation of the DRBII, the screen will display a blank scree, a CCD bus failure message, or any one of the following error messages:

NO RESPONSE
RAM TEST FAILURE
CARTRIDGE ERROR
KEYPAD TEST FAILURE
HIGH BATTERY
LOW BATTERY

If this happens, refer to the Vehicle Communications Manual for diagnosis and repair procedures.

NOTE: Problems with the operation of the DRBII must be corrected before proceeding with fault diagnosis testing.