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Screenshots of SZ Viewer A1
  • SZ Viewer
  • SZ Viewer
  • SZ Viewer
  • SZ Viewer
  • SZ Viewer
  • SZ Viewer
Description of SZ Viewer

A diagnostic application especially for Suzuki vehicles. SZ Viewer uses original protocols (via K-Line and CAN) instead of standard OBDII ones. It allows to read data and DTCs of almost all control modules (including extended Suzuki codes and historical errors).

Japanese domestic market (JDM) Suzuki cars are also supported, even if they do not support OBDII.

An ELM327 adapter (Bluetooth or Wi-Fi) version 1.4 or later is required.

Older (before about 2000 model year) protocol SDL (5V levels, 9 pin of OBD2 connector) is not supported because of incompatibility with ELM327.

This application allows to view some current values and DTC errors for various control modules: powertrain, engine, AT/CVT, ABS/ESP, SRS, AC/HVAC, BCM, PS, EMCD/4WD. But not all modules can be exist on a tested car.

A HVAC module may display B1504 DTC due to insufficient lighting of sunload sensor during diagnostic procedure. It is not a symptom of sunload sensor malfunction.

Version history SZ Viewer
New in SZ Viewer A1 A1-2019-10-11
A1-2019-10-11

ALH module support (4WD tab, DTC reading only).


A1-2019-07-26

Engine and AT/CVT tabs: double-tap to switch beetween compact and general data view.


A1-2019-06-05

Data refinement for some AT/CVT CAN-modules.


A1-2019-05-11

Engine oil temperature for some modern (2016+) engine control modules.


A1-2019-03-25

Supporting some K-Line modules with slow (5Baud) initialization.
New in SZ Viewer A1 A1-2019-07-26
A1-2019-07-26

Engine and AT/CVT tabs: double-tap to switch beetween compact and general data view.


A1-2019-06-05

Data refinement for some AT/CVT CAN-modules.


A1-2019-05-11

Engine oil temperature for some modern (2016+) engine control modules.


A1-2019-03-25

Supporting some K-Line modules with slow (5Baud) initialization.
New in SZ Viewer A1 A1-2019-06-05
A1-2019-06-05

Data refinement for some AT/CVT CAN-modules.


A1-2019-05-11

Engine oil temperature for some modern (2016+) engine control modules.


A1-2019-03-25

Supporting some K-Line modules with slow (5Baud) initialization.


A1-2019-02-26

1. Fixed connection with some K-Line modules (thanks to Lorenzo P. for bug report and testing)
2. Improved Bluetooth time-out detection.
3. The "AT" tab is renamed to "AT/CVT".
New in SZ Viewer A1 A1-2019-05-11
A1-2019-05-11

Engine oil temperature for some modern (2016+) engine control modules.


A1-2019-03-25

Supporting some K-Line modules with slow (5Baud) initialization.


A1-2019-02-26

1. Fixed connection with some K-Line modules (thanks to Lorenzo P. for bug report and testing)
2. Improved Bluetooth time-out detection.
3. The "AT" tab is renamed to "AT/CVT".
New in SZ Viewer A1 A1-2019-03-25
A1-2019-03-25

1. Supporting some K-Line modules with slow (5Baud) initialization.


A1-2019-02-26

1. Fixed connection with some K-Line modules (thanks to Lorenzo P. for bug report and testing)
2. Improved Bluetooth time-out detection.
3. The "AT" tab is renamed to "AT/CVT".
New in SZ Viewer A1 A1-2019-02-26
A1-2019-02-26

1. Fixed connection with some K-Line modules (thanks to Lorenzo P. for bug report and testing)
2. Improved Bluetooth time-out detection.
3. The "AT" tab is renamed to "AT/CVT".


A1-2019-01-27

1. Supporting SRS module of some modern cars (Vitara and SX4 S-Cross): reading and clearing DTCs.
2. AT data of some modern cars (Vitara and SX4 S-Cross).
3. Some DTCs refinement.
4. Improved work with K-Line modules.
5. Reread tryings now called "Re" instead of "Err".
New in SZ Viewer A1 A1-2019-01-03
A1-2019-01-03

1. Improved Bluetooth ELM327 support.
2. Improved detection of ELM327 fakes.
3. "Ignition timing advance" value for Engine.
4. 4WD data of some modern models (including coupling temperature).


A1-2018-12-02

1. Added settings dialog.
2. Some TPMS data in BCM tab.
3. Some refinement data and error (DTC) codes.
New in SZ Viewer A1 A1-2018-12-02
1. Added settings dialog.
2. Some refinement data and error (DTC) codes.
New in SZ Viewer A1 A1-2018-09-21
A faster connection process.
New in SZ Viewer A1 A1-2017-10-28
Improved support of Wi-Fi ELM327 adapters.
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