• 28 •
11. ENGINE REV DETECTED, IDLE ENGINE: The EXP has detected the rev. Press the
NEXT soft key to continue.
12. ANALYZING CHARGING SYSTEM DATA: The EXP is completing its final analysis of
the charging system data.
13. TURN OFF LOADS AND ENGINE: Press the NEXT soft key to display the results.
Alternator Test Results
Figure 16: NO PROBLEMS Alternator Result
Alternator decision
Loads-off DC voltage at rev
Loads-off current at rev
if amp clamp is used
Loads-on DC voltage at rev
Loads-on current at rev if amp
clamp is used
Normal DC voltage range
Bar graph showing DC
voltage within normal range
with loads on and off
Graph of diode waveform
Peak-to-peak AC voltage
Chapter 6: System Test