Service manual

ELEC
LIGHTING SYSTEM
8-29
4. The auxiliary light fails to come on.
1. Meter light bulb and socket
9
Check the meter light bulb and socket for
continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
9
Are the meter light bulb and socket OK?
YES NO
Replace the auxil-
iary light bulb,
socket or both.
2. Voltage
9
Connect the pocket tester (AC 20 V) to the
auxiliary light coupler (wire harness side) as
shown.
Positive tester probe
→→
blue
11
Negative tester probe
→→
black
22
9
Set the main switch to “ON”.
9
Start the engine.
9
Measure the voltage (AC 12 V) of blue lead
terminal
1
on the auxiliary light coupler
(wire harness side).
9
Is the voltage within specification?
B
Dg
Dg
B
L
L
Ch
Ch
B
B
L L
1
1
[L]
[R]
YES NO
Replace the rectifi-
er/regulator.
This circuit is OK.
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