1998 NISSAN PICK-UP Repair Manual

HEL324A
HEADLAMP Ð Daytime Light System Ð
Wiring Diagram Ð DTRL Ð (Cont'd)
EL-55

HEL325A
HEADLAMP Ð Daytime Light System Ð
Wiring Diagram Ð DTRL Ð (Cont'd)
EL-56

Trouble Diagnoses
DAYTIME LIGHT CONTROL UNIT INSPECTION TABLE
Terminal No. ConnectionsINPUT (I)/
OUTPUT (O)Operated conditionVoltage (V)
(Approximate
values)
1Power source for illumi-
nation & tail lampÐÐ12
2Power source for head-
lamp LHÐÐ12
3Power source for head-
lamp RHÐÐ12
4 Headlamp RH OON (daytime light operating*) 12
OFF 0
5 Headlamp LH OON (daytime light operating*) 12
OFF 0
6 Start signal I Ignition switchSTART 12
ON, ACC or OFF 0
7 Power source Ð Ignition switchON or START 12
ACC or OFF 0
8 Alternator ``L'' terminal I EngineRunning 12
Stopped 0
9 Ground Ð Ð Ð
10 Illumination & tail lamp OON (daytime light operating*) 12
OFF 0
11 Lighting switch I1STz2ND position 12
OFF 0
*: Daytime light operating: Lighting switch in ``OFF'' position with engine running.
Bulb Replacement
Refer to ``HEADLAMP'' (EL-49).
Aiming Adjustment
Refer to ``HEADLAMP'' (EL-49).
HEADLAMP Ð Daytime Light System Ð
EL-57

System Description
Headlamp system on RHD vehicles for Europe contains a dim-dip lamp system. The unit operates both
headlamp low beams at half illumination in the following conditions.
lLighting switch is turned to 1st, with ignition switch in ON position. In other conditions, the dim-dip lamp
is canceled and lighting switch operations are the same as in conventional light systems.
Schematic
HEL326A
HEADLAMP Ð Dim-dip Lamp System Ð
EL-58

Wiring Diagram Ð DIMDIP Ð
HEL327A
HEADLAMP Ð Dim-dip Lamp System Ð
EL-59

HEL328A
HEADLAMP Ð Dim-dip Lamp System Ð
Wiring Diagram Ð DIMDIP Ð (Cont'd)
EL-60

HEL329A
HEADLAMP Ð Dim-dip Lamp System Ð
Wiring Diagram Ð DIMDIP Ð (Cont'd)
EL-61

Trouble Diagnoses
DIM-DIP LAMP CONTROL UNIT INSPECTION TABLE
Terminal No. ConnectionsINPUT (I)/
OUTPUT (O)Operated conditionVoltage (V)
(Approximate
values)
1Lighting switch
(Low beam)I Lighting switchLow beam ON 12
Other 0
2Lighting switch
(High beam)I Lighting switchHigh beam ON 12
Other 0
3 Power source Ð Ð 12
4 Lighting switch I1STz2ND position 12
OFF 0
5 Ignition on signal I Ignition switchON or START 12
ACC or OFF 0
6Power source for head-
lamp LHÐÐ12
7 Headlamp LH O Lighting switchLow beam ON 12
OtherDim-dip lamp
operating12
Dim-dip lamp
off0
8 LH headlamp ground ÐON (dim-dip lamp operating*) 6
OFF 0
9 Headlamp RH O Lighting switchHigh beam ON 12
OtherDim-dip lamp
operating6
Dim-dip lamp
off0
10 Ground Ð Ð Ð
*: Dim-dip lamp operating: Lighting switch in ``1st.'' position with ignition switch ON.
Bulb Replacement
Refer to ``HEADLAMP'' (EL-49).
Aiming Adjustment
Refer to ``HEADLAMP'' (EL-49).
HEADLAMP Ð Dim-dip Lamp System Ð
EL-62