Part 1
OperationThis HELP contains the following information and instructions:
How to Use the DRBII Keys
How to Reach the Air Bag Menu
How to Read or Erase Codes 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 screen or any of the following error messages:
KEYPAD TEST FAILURE
HIGH BATTERY
LOW BATTERY
RAM TEST FAILURE
CARTRIDGE ERROR
NOTE: Problems with the operation of the DRBII must be corrected before proceeding with code diagnosis testing.
HOW TO USE THE DRBII KEYS
� To reach HELP on the DRBII, press and hold [F3] at any time.
� To move forward or backward one item at a time within a menu, press the up arrow or down arrow key.
� To select an item, press the item number, or move the arrows to the desired item and press ENTER.
� To return to the previous display, press ATM.
� To monitor one item of a multiple-item display, move the arrows to the desired item and press ENTER.
� To freeze a variable display item, press READ/HOLD. To unfreeze the item, press READ/HOLD again.
� To restart the DRBII, hold MODE and press ATM at the same time.
HOW TO REACH THE AIR BAG MENU
In order to perform the diagnostic tests in this section, you must operate the DRBII to reach the AIR BAG MENU level within the AIR BAG diagnostic program. At the AIR BAG MENU, you can:
- read codes
- select DRBII test functions
The instructions below tell you how to reach the AIR BAG MENU.
If you already know how to reach the AIR BAG MENU, see "How to Select a DRBII Test Function" found later in this HELP 1 for instructions on how to select a DRBII test function.
A. Connect the DRBII to the vehicle as follows. Refer to the illustrations below.
1. Connect the 8-way DIN connector of the DRBII to the 8-way DIN connector of the MMC Adapter.
2. Plug the 12-way diagnostic connector of the MMC Adapter into the diagnostic connector of the vehicle. The vehicle's diagnostic connector is located under the left side of the dash next to the junction block (fuse box).
Fuse Block:
DRBII/MMC Tools:
3. Attach the red alligator clip to the battery positive terminal. NOTE: Attach the red alligator clip last, after the other two connectors are connected.
B. Turn the vehicle's ignition switch to the "RUN" position.
NOTE: Do not touch the keypad during the DRBII power-up sequence or an error will result.
C. The copyright date and diagnostics program version number will be displayed briefly similar to the following:
1991 DIAGNOSTICS
COPYRIGHT (c) 1990
CHRYSLER CORP. V2.FO
PRESS F3 FOR HELP
NOTE: The version number (V2.FO) is subject to change. It may not appear on the display exactly as it is illustrated above.
D. After a few seconds, the display will change to read as follows (or press ENTER to change the display immediately):
DRBII
1. VEHICLES TESTED
2. HOW TO USE
Press the down arrow twice to view the rest of the menu. The screen will display:
DRBII
2. HOW TO USE
3. CONFIGURE
4. SELECT SYSTEM
NOTE: For an explanation of items 1, 2, and 3, see "How to Use the DRBII Menu" found later in this HELP 1.
E. Select 4. SELECT SYSTEM to enter the diagnostic lest program. The display will change to read as follows:
----SELECT SYSTEM----
1. ENGINE
2. TRANSMISSION
F. Press the down arrow four times to bring the AIR BAG option into view on the DRBII. The screen will display:
SELECT SYSTEM
3. SUSPENSION
4. ABS
5. AIR BAG
G. Select 5. AIR BAG to enter the air bag system part of the DRBII program. The display will change to read as follows:
AIR BAG DIAGNOSTICS
SRS AIR BAG SYSTEM
ECU ID: XXXXXXX
NOTE: The ECU ID number is subject to change. It may not appear on the display exactly as it is illustrated above.
H. After a few seconds, the display will change to read as follows (or press ENTER to change the display immediately):
----AIR BAG MENU----
1. SYSTEM TESTS
2. READ CODES
Press the down arrow three times to view the rest of the menu. The screen will display:
----AIR BAG MENU----
3. STATE DISPLAY
4. ACTUATOR TESTS
5. ADJUSTMENTS
At this point, you have reached the AIR BAG MENU of the AIR BAG diagnostic program. Now you can select any of the specific test functions that have been programmed into the DRBII cartridge.