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AIRBAG (SRS) DIAGNOSIS

Connect the DRBII to the vehicle as follows.
1. Connect the 8-way DIN connector of the DBRII 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 on the LH side of the dash next to the fuse box.
3. Attach the red alligator clip the battery positive terminal. Note: attach the red alligator clip last, after the other two connectors are connected.
Turn the Vehicles ignition switch to the “RUN” position. Note: Do not touch the keypad during the DRBII power-up sequence or an error will result.

The DRBII will display the vervsion and rev level of the software for a short time.

After A few seconds the main menus will come up Note the menu is larger than the display screen so you will have to use the down arrows to see all of the options.
---- DRB II ----
1) VEHICLES TESTED
2) HOW TO USE
3) CONFIGURE
4) SELECT SYSTEM

Select “4) SELECT SYSTEM”

---- DRB II ----
1) ENGINE
2) TRANSMISSION
3) SUSPENSION
4) ABS
5) AIR BAG

Select “5) AIR BAG” The sysyem will display the ECU number and after a few seconds go to the air bag menu

---- AIR BAG MENU ----
1) SYSTEM TESTS
2) READ CODES
3) STATE DISPLAY
4) ACTUATOR TESTS
5) ADJUSTMENTS

Select “2) Read Codes”
It will either display “No codes detected” or list the error codes 1 at a time. You must use the down arrow to see every code before you can erase any codes.

Press the “ATM” button. The display will change to read as follows

---- AIR BAG MENU ----
1) ERASE CODES
2) DON’T ERASE CODES

Select “1) ERASE CODES” to erase the codes. If there is a problem the code can not be erased until it is fixed. Below is a list of air bag codes.

AIRBAG CODES:

(11) G-sensor trouble 1 (short) Sometimes bad sensor even when resistance is correct
(12) G-Sensor Trouble 2 (1 Open)
(13) G-Sensor Trouble 3 (2 Open)
(21) Squib Trouble 1 (Short)
(22) Squib Trouble 2 (Open)
(31) Condensor Voltage High
(32) Condensor Voltage Low
(33) Cranking Trouble
(34) Connector Unlocked, This is grounding bar on back of SRS ECU., flip it down and it should be fixed
(41) Ignition Voltage Low 1, Battery Probably went dead slowly at one time
(42) Ignition Voltage Low 2, Battery Probably went dead slowly at one time
(43) SRS lamp Trouble 1
(44) SRS lamp Trouble 2
(45) Diagnostic Module