1999 NISSAN PRIMERA fuse

3 DETECT MALFUNCTIONING PART
Check the following.
I15A fuse
IHarness for open or short between fuse and fuel pump relay
©Repair harness or connectors.
4 CHECK POWER GROUND CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect fuel pump harness connector.
SEF299W3. Check harness continuity between fuel pump harness connector terminal 2 and body ground, terminal 1 and fuel pump relay connector
terminal 9J.
Refer to wiring diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 6.
NG©GO TO 5.
5 DETECT MALFUNCTIONING PART
Check the following.
IHarness for open or short between fuel pump and body ground
IHarness for open or short between fuel pump and fuel pump relay
©Repair open circuit or short to ground or short to power in harness or connectors.
6 CHECK OUTPUT SIGNAL CIRCUIT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 21 and fuel pump relay connector terminal 19C.
Refer to wiring diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 8.
NG©GO TO 7.
7 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors M50, F104 (CVT: M81, F115)
IHarness for open or short between ECM and fuel pump relay
NG©Repair open circuit or short to ground or short to power in harness or connectors.
FUEL PUMPSR20DE
Diagnostic Procedure (Cont'd)
EC-319

DIODE TYPE - 1
YEC853
ECM: Detectable line for DTC
: Non-detectable line for DTC
: With XENON headlamp or daytime light system
: Except
HD
: Hyper CVT models
: M/T models
OFFFUSE
BLOCK
(J/B)
REFER TO THE FOLLOWING
FUSE BLOCK -
Junction Box (J/B)
: This connector is not shown in ªHARNESS LAYOUTº of EL section.2ND
1ST
LOW
HIGHPASSCOMBINATION
SWITCH
(LIGHTING
SWITCH)With XENON headlamp...R/W
Except XENON headlamp...G
With daytime light system...1
Without daytime light system...2
With daytime light system...2
Without daytime light system...1 To
EL-DEF
TIME
CONTROL
UNIT
DIODETo EL-H/LAMP Refer to
EL-POWER.
Headlamp
relay LH
To
EL-LAMP With daytime light system and
with XENON headlamp...R/l
With daytime light system and
without XENON headlamp...P/B
Without daytime light system...OR/L
ELECTRICAL LOAD SIGNALSR20DE
Wiring Diagram (Cont'd)
EC-327

ELECTRICAL SYSTEM
SECTION
EL
When you read wiring diagrams:

Read GI section, “HOW TO READ WIRING DIAGRAMS”.
When you perform trouble diagnoses, read GI section, “HOW TO FOLLOW FLOW
CHART IN TROUBLE DIAGNOSES” and “HOW TO PERFORM EFFICIENT DIAGNOSIS
FOR AN ELECTRICAL INCIDENT”.
CONTENTS
PRECAUTIONS AND PREPARATION.......................... 5
Precautions ................................................................ 5
HARNESS CONNECTOR.............................................. 6
Description ................................................................. 6
STANDARDIZED RELAY.............................................. 8
Description ................................................................. 8
POWER SUPPLY ROUTING....................................... 10
Schematic ................................................................ 10
Wiring Diagram - POWER - .................................... 12
Fuse ......................................................................... 22
Fusible Link.............................................................. 22
Circuit Breaker Inspection ....................................... 22
GROUND DISTRIBUTION........................................... 23
BATTERY..................................................................... 29
How to Handle Battery ............................................ 29
Battery Test and Charging Chart ............................. 32
Service Data and Specifications (SDS)................... 36
STARTING SYSTEM................................................... 37
Wiring Diagram - START -....................................... 37
Trouble Diagnoses................................................... 40
Construction ............................................................. 41
Removal and Installation ......................................... 47
Inspection................................................................. 47
Assembly ................................................................. 51
Service Data and Specifications (SDS)................... 52
CHARGING SYSTEM.................................................. 53
Wiring Diagram - CHARGE -................................... 53
Trouble Diagnoses................................................... 55
Construction ............................................................. 56
Removal and Installation ......................................... 60Disassembly............................................................. 60
Inspection................................................................. 60
Assembly ................................................................. 62
Service Data and Specifications (SDS)................... 63
COMBINATION SWITCH............................................. 64
Combination Switch/Check ...................................... 64
STEERING SWITCH.................................................... 65
Check ....................................................................... 65
Replacement ............................................................ 66
HEADLAMP (WITHOUT DAYTIME LIGHT
SYSTEM) - CONVENTIONAL TYPE -........................ 67
Wiring Diagram - H/LAMP -..................................... 67
Trouble Diagnoses................................................... 69
Bulb Replacement ................................................... 70
Aiming Adjustment ................................................... 70
HEADLAMP (WITHOUT DAYTIME LIGHT
SYSTEM) - XENON TYPE -........................................ 72
System Description .................................................. 72
Wiring Diagram - H/LAMP -..................................... 73
Trouble Diagnoses................................................... 75
Bulb Replacement ................................................... 76
HEADLAMP - DAYTIME LIGHT SYSTEM -............... 78
Schematic ................................................................ 78
Wiring Diagram - DTRL - ......................................... 79
HEADLAMP - DAYTIME LIGHT SYSTEM WITH
XENON TYPE -............................................................ 82
Schematic ................................................................ 82
Wiring Diagram - DTRL - ......................................... 83
HEADLAMP - DAYTIME LIGHT SYSTEM -............... 86
Trouble Diagnoses................................................... 86
EL

Schematic
YEL218C
BATTERY
IGNITION
SWITCHCOMBINATION
SWITCH
LIGHTING
SWITCHR/FOG
SWITCH
ACCESSORY
RELAY
IGNITION
RELAY POWER
FUSE
POWER
WINDOW
RELAYREAR WIN-
DOW DEF-
FOGGER
RELAY
TIME CONTROL UNIT
POWER SUPPLY ROUTING
EL-10

YEL222C
To EL-
POWER-01
To EL-
POWER-02To EL-
POWER-05
FUSE AND
FUSIBLE
LINK BOX
To
EL-H/LAMP
EL-DTRL
EL-H/AIMTo
EL-H/LAMP
EL-DTRL
EL-HLC
EL-H/AIMTo
EL-HORN
To
EL-H/LAMP
EL-DTRL
EL-HLC
To
EL-DTRLTo
EC-MAIN
EC-EGR
EC-EGVC/V
EC-AAC/V
EC-TP/SW
EC-IGN/SG
AT-MAINTo
EC-MAIN
EC-CMPS
EC-MAFS
EC-EGR
EC-EGVC/V
EC-AAC/V
EC-TP/SW
EC-IGN/SG
EC-POS
EC-PHASE
AT-MAIN
: With gasoline engine
: With diesel engine
: With daytime light system
: Without daytime light system
: With front fog lamp
: Without front fog lampOFF
1ST2ND
OFF1ST2NDLIGHTING
SWITCH
REAR FOG
LAMP
SWITCHOFFON
OFF
FRONTFRONT
AND
REAROFF
FRONTFRONT
AND
REAR
FRONT AND
REAR FOG
LAMP
SWITCHCOMBINATION
SWITCH
Next
page
To
EL-R/FOGTo
EL-HLC
EL-DTRL
EL-H/AIM
EL-ILLTo EL-
POWER-06
POWER SUPPLY ROUTING
Wiring Diagram—POWER—(Cont’d)
EL-14

YEL225C
To
EL-POWER-03
DAYTIME
LIGHT
CONTROL
UNIT: With daytime light system
: Without daytime light system
: With glove box lamp
FUSE BLOCK
(J/B)
To
EL-ILLTo
EL-ILLTo
EL-ILL
EL-AUDIOTo
EL-ILL
To
EL-TAIL/L
EL-H/AIM
EL-ILLTo
EL-ILLTo
EL-ILLTo
EL-ILL
REFER TO THE FOLLOWING
FUSE BLOCK - Junction Box (J/B)
FUSE BLOCK - Junction Box (J/B)
FUSE BLOCK - Junction Box (J/B) To
EL-ILL
: This connector is not shown in“HARNESS LAYOUT”of EL section.TIME CON-
TROL UNITTo
EL-TAIL/L
EL-H/AIM
POWER SUPPLY ROUTING
Wiring Diagram—POWER—(Cont’d)
EL-17

ACCESSORY POWER SUPPLY—IGNITION SWITCH IN“ACC”OR“ON”
YEL226C
BATTERY
Refer to
EL-POWER-01,
EL-POWER-02,
EL-POWER-03,
EL-POWER-04
EL-POWER-05
IGNITION
SWITCHPOWER
FUSE 15A
ACCESSORY
RELAY: With gasoline engine
: With diesel engine
: With gasoline engine and
with XENON headlamp
: Except
FUSE
BLOCK
(J/B)
To
EL-AUDIO
EL-MIRRORTo
EL-HORNTo
EL-HORN
REFER TO THE FOLLOWING
FUSE BLOCK -
Junction Box (J/B) OFF
ACCST
ON
POWER SUPPLY ROUTING
Wiring Diagram—POWER—(Cont’d)
EL-18

IGNITION POWER SUPPLY—IGNITION SWITCH IN“ON”AND/OR“START”
YEL227C
BATTERY
Refer to
EL-POWER-01,
EL-POWER-02,
EL-POWER-03,
EL-POWER-05
Next
pageIGNITION
SWITCH
To
EC-MAIN
EC-IGN/SG
IGNITION
RELAY: With gasoline engine
: With diesel engine
Next
pageFUSE
BLOCK
(J/B)
To
BR-ABSTo
EL-WIP/R
To
EL-WIP/RTo
EC-VSS
EC-MIL/DL
EC-GLOW
BR-ABS
RS-SRS
EL-HORN
EL-WARN
EL-METER
EL-CHARGE
EL-ILL
EL-H/AIM
AT-NONDTC
To
EC-VSS
AT-PNP/SW
AT-NONDTC
EL-BACK/L
EL-METERTo
EC-INJECT
EC-MIL/DL
EC-FUEL
EC-MAIN To
EL-NATS
EL-HLCTo
RS-SRSTo
EL-POWER-10 To
EL-POWER-10
Next
page
To
EL-DTRL
HA-A/C
EC-COOL/FTo
EC-O2S1B1
EC-O2H1B1
EC-O2S2B1
EC-O2H2B1
EC-FUEL
EC-PGC/V
EC-SWL/V
EC-IVC
EC-EGRC/V
EC-HO2S
EC-AAC/V
EC-MAIN
EL-START
EL-DTRL
HA-A/C
EC-COOL/F
REFER TO THE FOLLOWING
FUSE BLOCK -
Junction Box (J/B)
OFF
ACCST
ON
POWER SUPPLY ROUTING
Wiring Diagram—POWER—(Cont’d)
EL-19