Bombardier SeaDoo 1990 factory shop manual, Page 121Get this manual
Section 07 ELECTRICAL Sub-section 05 (CDICHARGING SYSTEMS) -
NIPPONDENSO IGNITION TESTER
NIPPONDENSO IGNITION TESTER
CDI Module Diode Test (587 engine type)
The ignition module includes the diode which controls the output of the generating coil according the engine to speed This tester can diagnose this diode The result will be indicated on the LED level indicator
Spark Test
Uses the ignjtion coil on vehicle to test the high tension circuit
BEFORE TESTING
To prevent engine from starting and erroneous indication on the LED level indicator, remove the spark plugtsL
CAUTIONTo prevent dust or foreign matter from cralnkbeing introduced inside the cylinderlls) when ing the engine, install clean rag over tlhe cylinder head
NOTEThis tester can test generating coil (high, low speed), ignition module (including diode test! and sosrk test