TM9-2320-363-20-1
Table 3-1.
Troubleshooting
(Cont)
Malfunction
Test or Inspection
Corrective Action
Step
8.
Step
9.
ELECTRICAL SYSTEM (CONT)
Headlight Circuits (Cont)
Disconnect right low/high beam
relay from connector.
Check for 12
VDC
at
connector
30.
.
If +12 VDC
is
present,
go
to
step
9. if no voltage
is
present,
repair
lead
20R
(page
3-2).
Disconnect
left low/high beam relay from connector.
Check
for continuity
between
connector
86 from right low/high
beam
relay and connector
86 from
left low/high
beam
relay.
.
if continuity is present,
replace
right low/high beam
relay
(pages 4-197,
4-198).
if no continuity is indicated,
repair lead
222 between
left low/high
beam
relay and right low/high beam
relay (page 3-2).
4.
NEITHER
HEADLIGHT
LOW/HIGH
BEAM OPERATES
WHEN
TURN
IS SET.
Step
1.
Disconnect
ground lead from dimmer
switch lever.
between
lead and ground.
SIGNAL
SWITCH
LEVER
Check
for continuity
.
if continuity is present,
go to step 3. If no continuity is
indicated,
repair ground
lead (page
3-2).
Step
2.
Disconnect
lead 222 from dimmer
switch liever. Check for continuity between
terminals
of switch in both positions.
.
if continuity is present,
go to step 4. if no continuity is
indicated,
replace
dimmer
switch lever (page
4-168).
Step
3.
Disconnect
left low/high beam relay from connector.
Check for continuity
between
connector
86 and lead 222.
.
if continuity is present,
replace
left low/high
beam
relay
(pages
4-197,
4-198).
if no continuity is indicated,
repair
lead 222 (page 3-2).
5.
LEFT
HIGH-BEAM
DOES
NOT
OPERATE.
Step
1.
inspect
headlight
bulb.
.
Repliace if broken or defective
(page 4-206).
Step
2.
Disconnect
connector from left headlight.
Check for continuity between
ground
and connector
on left headlight
at lead 21.
l
if continuity is present,
go to step 3. if no continuity is
indicated,
replace
left headlight
(page 4-206).
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