Nissan Terrano r20e. Instruction — part 214
Wiring Diagram — H/AIM —
YEL068D
HEADLAMP — Headlamp Aiming Control —
EL-39
LHD MODELS
YEL069D
HEADLAMP — Headlamp Aiming Control —
Wiring Diagram — H/AIM — (Cont’d)
EL-40
RHD MODELS
YEL070D
HEADLAMP — Headlamp Aiming Control —
Wiring Diagram — H/AIM — (Cont’d)
EL-41
Trouble Diagnoses
SYMPTOM: Headlamp aiming does not operate.
POWER SUPPLY CIRCUIT CHECK
(For aiming switch)
I
Disconnect headlamp aiming switch
connector.
I
Turn lighting switch to 1st. position.
Check if voltage between headlamp aim-
ing switch connector terminal
q
3
and body
ground.
OK
E
NG
Check the following:
I
10A fuse at fuse block
(Refer to “POWER SUP-
PLY ROUTING”, EL-6).
I
Condition and operation
of ignition switch.
I
Battery charge condition.
If NG, replace 10A fuse,
recharge battery or repair
ignition switch.
AIMING SWITCH CHECK
Check resistance between headlamp aim-
ing switch connector (switch side) termi-
nals
q
1
/
q
2
and
q
3
at each switch position.
OK
E
NG
Replace headlamp aiming
switch
GROUND CIRCUIT CHECK FOR AIMING
MOTOR
I
Connect headlamp aiming switch con-
nector.
Check continuity between headlamp aim-
ing motor connector terminal
q
1
and body
ground.
Continuity exists ... OK
OK
E
NG
Repair harness or connec-
tors between aiming motor
and body ground.
POWER SUPPLY CIRCUIT CHECK
(For aiming motor unit)
I
Turn lighting switch to 1st. position
Check if 12 volts exist between headlamp
aiming motor connector terminals
q
1
and
q
3
.
OK
E
NG
Check harness between
headlamp aiming switch
and aiming motor unit.
Replace aiming motor unit.
Voltmeter terminals
Voltage [V]
(+)
(−)
q
3
Ground
Approx. 12
Switch
position
Ohmmeter terminals
q
1
q
3
q
2
0
below 10
Ω
1
743 — 757
Ω
2
1,274 — 1,298
Ω
3
1,545 — 1,575
Ω
YEL289D
YEL290D
YEL291D
YEL292D
H
H
H
H
HEADLAMP — Headlamp Aiming Control —
EL-42
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