Ignition Pulse Generator Peak Voltage - Honda GL1800 Service Manual

IGNITION SYSTEM
Connect the peak voltage tester or adaptor probes
to the wire harness side connector terminal and
ground.
CONNECTION:
No. 1 & 2 ignition coil:
No. 3 & 4 ignition coil:
No. 5 & 6 ignition coil:
Shift the transmission into neutral.
Turn the ignition switch to "ON."
Make sure the
engine stop switch
Crank the engine with the starter motor and mea-
is turned to " . "
sure the ignition coil signal peak voltage.
PEAK VOLTAGE: 2.5 – 5.0 V
• Although measured values are different for each
ignition coil, they are normal as long as voltage
is higher than the specified value.
If the peak voltage is lower than the standard value,
follow the checks described in the troubleshooting
chart on page 18-4.
IGNITION PULSE GENERATOR PEAK
VOLTAGE
• Check that the cylinder compression is normal
for each cylinder and the spark plug is installed
correctly in the cylinder head.
Connect the test harnesses set to the ECM connec-
tors (page 5-11).
TOOLS:
Test harness set
Connect the peak voltage tester or adaptor probes
to the test pin box terminals.
CONNECTION: No. 41 (+) – No. 21 (–)
Shift the transmission into neutral.
Turn the ignition switch to "ON."
Make sure the
engine stop switch
Crank the engine with the starter motor and mea-
is turned to " . "
sure "the ignition pulse generator peak voltage
PEAK VOLTAGE: 0.7 V minimum
If the voltage measured at the ECM connector is
abnormal, measure the peak voltage at the ignition
pulse generator connector.
Turn the ignition switch to "OFF."
Remove the air cleaner housing (page 5-57).
18-6
Yellow/white (+) – Ground (–)
Yellow/blue (+) – Ground (–)
Yellow/red (+) – Ground (–)
07WMZ-MBGA000
GN T ON CO L CONNECTOR
(viewed from the terminal side)
PEAK VOLTAGE ADAPTOR
No. 21
PEAK VOLTAGE ADAPTOR
No. 41