Owner`s manual

6
1-5. Combination Chart of Harness and Vehicle
Use of the M.U.T.-III main harness A, B or C (US only) is determined by the type of data-link
connector installed in the vehicle.
The main harness, indicated with “O”, is used in combination with another harness indicated with
“” depending on the vehicle and work to be performed. ECU update used below means ECU
reprogramming.
01 02 03 04 05
Harness Name
Vehicle
Data-link
Connector
M.U.T.-III Main
Harness A
M.U.T.-III Main
Harness B
M.U.T.-III Main
Harness C
Conventional
Vehicle Inspection
Adapter Harness
ECU Update
Adapter Harness
Fault diagnosis O
16Pin
ECU update O
Fault diagnosis O
16Pin&12Pin
ECU update O
Fault diagnosis O 
12Pin
ECU update - - - - -
Fault diagnosis O
16Pin&13Pin
ECU update O 
Fault diagnosis O
Vehicle with
420A Engine and
F4AC1 Transaxle
ECU update -
-
-
Harness Name Illustration
01 M.U.T.-III Main Harness A
MB991910
02 M.U.T.-III Main Harness B
MB991911
03 M.U.T.-III Main Harness C
MB991914
(For US only)
04 Conventional Vehicle Inspection Adapter Harness
(M.U.T.-II adapter harness)
MB991498
05 ECU Update Adapter Harness
MB991855
Combination Chart of Harness and Vehicle
Diagnostic
Function