Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Introduction

This HELP contains the following information and instructions:

^ How to Use the DRBII Keys
^ How to Reach the Module Menu
^ How to Read Fault Messages with the DRBII
^ How to Select a DRBII Test Function
^ How to Perform EVIC, EIC, Traveler, or Compass/Temperature Actuator Tests
^ 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 screen, a CCD bus failure message, or any of the following error messages:

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

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

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