fuse NISSAN PICK-UP 2001 Owner's Manual

4 CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect stop lamp switch harness connector.
SEC233D
3. Turn ignition switch ªONº.
4. Check voltage between stop lamp switch terminal 1 and ground with CONSULT-II or tester.
SEF435Y
OK or NG
OKcGO TO 6.
NGcGO TO 5.
5 DETECT MALFUNCTIONING PART
Check the following.
+10A fuse
+Harness for open or short between stop lamp switch and fuse
cRepair open circuit or short to ground or short to power in harness or connectors.
DTC 0807 ECM 14YD25DDTi
Diagnostic Procedure (Cont'd)
EC-3589

Diagnostic Procedure
1 CHECK ECM POWER SUPPLY CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM relay.
SEC950C
3. Check voltage between ECM terminals 2, 7 and ground with CONSULT-II or tester.
SEC241D
OK or NG
OKcGO TO 3.
NGcGO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
+20A fuse
+Harness for open and short between ECM relay and battery
cRepair open circuit or short to ground or short to power in harness or connectors.
3 CHECK ECM INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminals 56, 61 and ECM relay terminal 6. Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OKcGO TO 5.
NGcGO TO 4.
DTC 0902 ECM RLYYD25DDTi
EC-3596

5 DETECT MALFUNCTIONING PART
Check the following.
+10A fuse
+Harness for open or short between ECM relay and battery
cRepair open circuit or short to ground or short to power in harness or connectors.
6 CHECK ECM RELAY
1. Apply 12V direct current between ECM relay terminals 1 and 2.
2. Check continuity between ECM relay terminals 3 and 5, 6 and 7.
SEF296X
OK or NG
OKcGO TO 7.
NGcReplace ECM relay.
7 CHECK EGR VOLUME CONTROL VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminals and EGR volume control valve terminals as follows.
Refer to Wiring Diagram.
MTBL0442
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OKcGO TO 9.
NGcGO TO 8.
8 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors E236, M278 (LHD models)
+Harness connectors E236, F35 (RHD models)
+Harness for open or short between ECM and EGR volume control valve
cRepair open circuit or short to ground or short to power in harness or connectors.
DTC 1003 EGR VOLUME CONT/VYD25DDTi
Diagnostic Procedure (Cont'd)
EC-3611

6 CHECK GLOW INDICATOR LAMP POWER SUPPLY CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect combination meter harness connector N4 (With tachometer) or N10 (Without tachometer).
3. Turn ignition switch ªONº.
4. Check voltage between combination meter terminal 17 (N4) or 22 (N10) and ground with CONSULT-II or tester.
SEC252D
OK or NG
OKcGO TO 8.
NGcGO TO 7.
7 DETECT MALFUNCTIONING PART
Check the following.
1. Harness connectors M7, N2
2. 10A fuse
3. Harness for open or short between combination meter and fuse
cRepair open circuit or short to ground or short to power in harness or connectors.
8 CHECK GLOW INDICATOR LAMP OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Disconnect combination meter harness connector N6 or N11.
4. Check harness continuity between ECM terminal 16 and combination meter terminal 67 (N6) or 55 (N11). Refer to Wiring Dia-
gram.
Continuity should exist.
5. Also check harness for short to ground and short to power.
OK or NG
OKcGO TO 10.
NGcGO TO 9.
9 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors N2, M7
+Harness connector M48, F54 (RHD models)
+Harness for open or short between combination meter and ECM
cRepair open circuit or short to ground or short to power in harness or connectors.
GLOW CONTROL SYSTEMYD25DDTi
Diagnostic Procedure (Cont'd)
EC-3626

3 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors M48, F54 (RHD models)
+10A fuse
+Fuse block (J/B) connectors M10, M12
+Harness for open or short between ECM and ignition switch
cRepair open circuit or short to ground or short to power in harness or connectors.
4 CHECK INTERMITTENT INCIDENT
Refer to ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-3469.
cINSPECTION END
START SIGNALYD25DDTi
Diagnostic Procedure (Cont'd)
EC-3632

4 CHECK OVERALL FUNCTION-II
Check the indicator when turning ªONº and ªOFFº the heat up switch.
MTBL1314
OK or NG
OKcINSPECTION END
NGcGO TO 10.
5 CHECK HEAT UP SWITCH POWER SUPPLY CIRCUIT
1. Turn heat up switch ªOFFº.
2. Turn ignition switch ªOFFº.
3. Disconnect heat up switch harness connector.
4. Turn ignition switch ªONº.
5. Check voltage between heat up switch terminal 6 and ground with CONSULT-II or tester.
SEF304Z
OK or NG
OKcGO TO 7.
NGcGO TO 6.
6 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors N1, M6
+10A fuse
+Harness for open or short between heat up switch and fuse
cRepair open circuit or short to ground or short to power in harness or connectors.
7 CHECK HEAT UP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 59 and heat up switch terminal 5. Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OKcGO TO 9.
NGcGO TO 8.
HEAT UP SWITCHYD25DDTi
Diagnostic Procedure (Cont'd)
EC-3641

Trouble Diagnoses
Symptom Possible cause Repair order
Turn signal and hazard warning
lamps do not operate.1. Hazard switch
2. Combination flasher unit
3. Open in combination flasher unit
circuit1. Check hazard switch.
2. Refer to combination flasher unit check.
3. Check wiring to combination flasher unit for open cir-
cuit.
Turn signal lamps do not operate
but hazard warning lamps operate.1. 10A fuse
2. Hazard switch
3. Turn signal switch
4. Open in turn signal switch circuit1. Check 10A fuse (No.
10, located in fuse block). Turn
ignition switch ON and verify battery positive voltage
is present at terminal
V2(R/W) of hazard switch.
2. Check hazard switch.
3. Check turn signal switch.
4. Check G wire between combination flasher unit and
turn signal switch for open circuit.
Hazard warning lamps do not oper-
ate but turn signal lamps operate.1. 10A fuse
2. Hazard switch
3. Open in hazard switch circuit1. Check 10A fuse (No.
5, located in fuse block).
Verify battery positive voltage is present at terminal
V3(R/Y) of hazard switch.
2. Check hazard switch.
3. Check G wire between combination flasher unit and
hazard switch for open circuit.
Front or side turn signal lamp LH
or RH does not operate.1. Bulb
2. Grounds
E6andE39
1. Check bulb.
2. Check grounds
E6andE39.
Rear turn signal lamp LH or RH
does not operate.1. Bulb
2. Grounds
M1andM54
1. Check bulb.
2. Check grounds
M1andM54.
LH and RH turn indicators do not
operate.1. Ground 1. Check grounds
M1andM54.
LH or RH turn indicator does not
operate.1. Bulb 1. Check bulb in combination meter.
TURN SIGNAL AND HAZARD WARNING LAMPS
EL-3049

POWER SUPPLY AND GROUND CIRCUIT CHECK
Power supply circuit check
Terminals Ignition switch position
Å@OFF ACC ON
V18(R/G) GroundBattery
voltageBattery
voltageBattery
voltage
V17(W/B) Ground 0V 0VBattery
voltage
If NG, check the following.
+10A fuse [No.
11, located in fuse block (J/B)]
+10A fuse [No.
6, located in fuse block (J/B)]
+Harness for open or short between fuse and combination
meter
Ground circuit check
Terminals Continuity
V24- Ground (B) Yes
SEL404Y
SEL405Y
METER AND GAUGES
Trouble Diagnoses/With Tachometer (Cont'd)
EL-3072

POWER SUPPLY AND GROUND CIRCUIT CHECK
Power supply circuit check
Terminals Ignition switch position
Å@OFF ACC ON
V21(R/G) GroundBattery
voltageBattery
voltageBattery
voltage
V22(W/B) Ground 0V 0VBattery
voltage
If NG, check the following.
+10A fuse [No.
6, located in fuse block (J/B)]
+10A fuse [No.
11, located in fuse block (J/B)]
+Harness for open or short between fuse and combination
meter
Ground circuit check
Terminals Continuity
V23- Ground (B) Yes
SEL618Y
SEL619Y
METER AND GAUGES
Trouble Diagnoses/Without Tachometer
(Cont'd)
EL-3077

Trouble Diagnoses/Without Interruption
Detection Function
Symptom Possible cause Repair order
None of the power windows can be
operated using any switch.1. 40A fusible link and circuit
breaker-1
2. Grounds
M1andM54
3. Power window relay
4. Open/short in power window
main switch circuit1. Check 40A fusible link (letter
c, located in fusible link
and fuse box) and circuit breaker-1, located in fuse
block. Turn ignition switch ªONº and verify battery posi-
tive voltage is present at terminal
V1of power window
main switch and terminal
V5of sub-switch.
2. Check grounds
M1andM54.
3. Check power window relay.
4. Check harness between power window relay and
power window main switch for open/short circuit.
Driver side power window cannot be
operated but other windows can be
operated.1. Driver side power window regula-
tor circuit
2. Driver side power window regula-
tor1. Check harness between power window main switch
and power window regulator for open or short circuit.
2. Check driver side power window regulator.
One or some of power window
except driver side power window
cannot be operated.1. Power window sub-switch
2. Passenger side power window
regulator
3. Power window main switch
4. Power window circuit1. Check power window sub-switch.
2. Check power window regulator of malfunctioning
power window.
3. Check power window main switch.
4-1. Check harnesses between power window main
switch and power window sub-switch for open/short
circuit.
4-2. Check harnesses between power window sub-
switch and power window regulator for open/short
circuit.
Passenger power window cannot be
operated using power window main
switch but can be operated by power
window sub-switch.1. Power window main switch 1. Check power window main switch.
Driver side power window auto func-
tion cannot be operated using power
window main switch.1. Power window main switch 1. Check power window main switch.
POWER WINDOW
EL-3130