1998 NISSAN PATROL air condition

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Page 47 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual Description for Work Flow
STEP DESCRIPTION
STEP IGet detailed information about the conditions and the environment when the incident/symptom occurred using the
``DIAGNOSTIC WORKSHEET as shown on EC-

Page 48 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual Basic Inspection
Precaution:
Perform Basic Inspection without electrical or mechanical
loads applied;
+Headlamp switch is OFF,
+Air conditioner switch is OFF,
+Rear defogger switch is OFF,
+Steering w

Page 52 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual SYSTEM
Ð ECCS systemMalfunction
SYMPTOM
Reference page Feature of symptom
Check point
HARD/NO START/
RESTART (EXCP. HA) ENGINE STALL HESITATION/SURGING/FLAT SPOT KNOCK/DETONATION
LACK OF POWER
POOR A

Page 53 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual CONSULT Reference Value in Data Monitor
Mode
Remarks:
+Speci®cation data are reference values.
+Speci®cation data are output/input values which are detected or supplied by the ECM at the connector.

Page 54 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual MONITOR ITEM CONDITION SPECIFICATION
COOLING FAN+When cooling fan is stopped. OFF
+When cooling fan operates. ON
I/C FAN RLY+When charge air cooler fan is stopped. OFF
+When charge air cooler fan oper

Page 58 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse
Signal)
8 G/ORCharge air cooler fan
relayEngine is running.
Charge air cooler fan is not operating.BATTERY VOLTAGE
(11 - 14V)
Engine is

Page 60 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse
Signal)
34 W Needle lift sensorEngine is running.
(Warm-up condition)
Idle speedApproximately 0V
SEF718V
Engine is running.(Warm-up con

Page 76 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual Mass Air Flow Sensor (MAFS)
COMPONENT DESCRIPTION
The mass air ¯ow sensor is placed in the stream of intake air. It
measures the intake air ¯ow rate by measuring a part of the entire
intake air ¯ow
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