STI Home
Diagnostic Manual, Engines, Volume 1

 Printable version
LOCATION:    C Diagnostic Equipment    >   41 Diagnosis - Diagnostic Test Overview


Diagnosis - Diagnostic Test Overview

The following is an overview of the contents of the various tests possible with the engine analyzer. Detailed information regarding test scope and evaluation is given in the individual test sequences. Engine specific test and adjustment data are covered in section A.
Repair procedures are available in the appropriate service literature.

System test
Diagnostic trouble code (DTC) readout
On-off ratio readout

Engine adjustments/universal program
Battery voltage
RPM, dwell
Ignition timing
On-off ratio control
Ignition voltage
Charging current
Vacuum
Engine oil temperature

Engine electrical
Battery test
Starting test
Ignition coil test (primary)
Generator test
RPM
Engine oil temperature
Graphic displays

Idle quality/per cylinder
Idle quality/Starting test
Burn time per cylinder
Engine oil temperature
Graphic displays
Table displays

Individual cylinder analysis
Compression/starter current draw
RPM
Balance
Ignition system (secondary)
Battery voltage
Engine oil temperature
Table displays

Oscilloscope
Parade pattern
Individual pattern
Raster pattern
Additional signals
(i.e. TN/on-off ratio, position sensor)