18. IGNITION SYSTEM DOWNTOWN 125i
IGNITION COIL INSPECTION
IGNITION COIL PRIMARY PEAK
VOLTAGE
Remove the body cover (refer to the
"FRAME COVERS
REMOVAL/INSTALLATION" section in
the chapter 2).
Check cylinder compression and check that
the spark plug (1) is installed correctly in the
cylinder.
Disconnect the spark plug cap (2) from the
spark plug. (1) (2)
Turn the ignition switch to "ON" and engine
stop switch ON and side stand is up.
Connect the multimeter (+) probe to the black
wire and the multimeter (-) to the body
ground.
Check for initial voltage at this time.
The battery voltage should be measured.
If the initial voltage cannot be measured,
check the power output circuit.
:
18-4