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How to use OBDSTAR X100 PRO to diagnose Audi 2013 ECU


How to use OBDSTAR X100 PRO to diagnose Audi 2013 ECU


OBDSTAR X100 Pro key programmer can not only perform key programming function, it supports OBD software feature to diagnose ECU for multi vehicle models as well.

Here is one of example of the use of OBDSTAR X-100 PRO hand-held device on 2013 AUDI S5.


Procedure of X-100 PRO diagnosis on audi s5:

Connect X100 to S5

Start the engine

Select the menu:


x100-pro-audi-s5 (1)x100-pro-audi-s5 (2)

Loading mcu.bin…



Reading data…

Select AUTO SCAN->Read Codes->Stored Codes

x100-pro-audi-s5 (3)x100-pro-audi-s5 (4)x100-pro-audi-s5 (5)

No codes are stored in the module.

x100-pro-audi-s5 (6)

Back to the diagnostic menu, go to Live Data

Number of DTCs

Engine coolant

x100-pro-audi-s5 (7)

Long term fuel trim

Intake manifold absolute pressure

Engine RPM

Vehicle speed sensor

x100-pro-audi-s5 (8)

Ignition timing advance for #1 cylinder

Intake air temperature

Absolute throttle position

Commanded secondary air status

x100-pro-audi-s5 (9)

Oxygen sensor input voltage b1s2

Short term fuel trim b1s2

Oxygen sensor output voltage b2s2

Short term fuel trim b2s2

OBD requirement to which vehicle or engine is certified

x100-pro-audi-s5 (10)

Time since engine start

Distance traveled while MIL is activated

Fuel rail pressure

Commanded evaporative purge

Number of warm-ups since DTCs cleared

x100-pro-audi-s5 (11)

Distance traveled since DTCs cleared

Barometric pressure

Equivalence ratio (b1-s1)

Oxygen sensor current (b1-s1)

Equivalence ratio (b2-s1)

Oxygen sensor current (b2-s1)

x100-pro-audi-s5 (12)

Catalyst temperature bank 1, sensor 1

Catalyst temperature bank 2, sensor 1

Control module voltage

Absolute load value

Fuel/ air commanded

Equivalence ratio

x100-pro-audi-s5 (13)

Ambient air temperature

Absolute throttle position b

Absolute throttle position c

Absolute throttle position d

Absolute throttle position e

x100-pro-audi-s5 (14)

Other successful tested model and function  by OBDSTAR X-100 PRO programmer:

2013 Smart:

OBD Engine diagnosis

Mileage adjustment

Program keys


Cruze Mileage adjustment

Cadillac SRX Mileage Adjustment

2007 TOYOTA Camry All Smart keys

SUBARU Forester (04-07)

NISSAN Intelligent key match

HONDA(CRV)Intelligent key match

BUICK(New Excelle)Read security

BUICK(New Excelle)Mileage

CHRYSLER 300C Program Keys

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