Available Data

About this 2021 Isuzu DMAX Scan Data Set

This 2021 Isuzu DMAX (4JJ3 Diesel) page collates 5 diagnostic files and 0 scan or scope images submitted by qualified automotive technicians across 5 data categories. Every file in the set was captured from a vehicle that was running correctly at the time of recording, giving technicians a known good baseline to compare against when diagnosing a faulty 2021 DMAX in their own workshop.

Captures in this set span KOEO (Key On Engine Off), engine idle and 2000 RPM raised idle operating states — the canonical conditions the TaT community records against so that readings can be compared directly between a known good vehicle and a customer's car presenting symptoms.

Typical uses for a data set like this include verifying live-data PID values and freeze-frame snapshots, confirming oscilloscope waveform shape and timing for primary and secondary ignition, checking CAN bus activity on modules that are suspect, and ruling out good-component scan tool readings when chasing an intermittent fault on the same chassis. Every file is attributed to the submitting member and reviewed before it appears on the site.

Data Categories for the 2021 Isuzu DMAX

This vehicle has known good data covering 5 distinct scan and scope capture categories, organised by the vehicle system they relate to. Each item below represents a data file or waveform set recorded from this specific year/make/model combination with the engine and vehicle in a confirmed healthy state.

• 2000 RPM: Powertrain
• IDLE: Powertrain
• KOEO: Powertrain
• Other Modules: Transmission

File Types in this Data Set

The 5 submitted files cover the following formats, captured on a mix of scan tools and lab-scope hardware used by TaT members in professional workshops:

Related Isuzu Vehicles with Scan Data

Technicians working on a 2021 DMAX often cross-reference adjacent model years and related Isuzu platforms. The following TaT entries also have at least submitted data files: