NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual PATROL 1998 Y61 / 5.G NISSAN NISSAN https://www.carmanualsonline.info/img/5/617/w960_617-0.png NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual
Trending: seat adjustment, key, coolant, clock, Radiator, TDC, display

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NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual DIAGNOSTIC PROCEDURE
INSPECTION START
CHECK OVERALL FUNCTION.
1. Start engine and warm it up to normal
operating temperature.
2. Perform diagnostic test mode II (Self-
diagnostic results).
Make sure t

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NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual jA
CHECK CONTROL FUNCTION.
1. Stop engine.
2. Turn ignition switch ``ON.
3. Turn EGRC-solenoid valve A, B
and throttle control solenoid
valve ``ON and ``OFF in
``ACTIVE TEST mode with
CONSULT

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NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual jB
CHECK POWER SUPPLY.
1. Turn ignition switch ``OFF.
2. Disconnect EGRC-solenoid valve A, B
and throttle control solenoid valve har-
ness connector.
3. Turn ignition switch ``ON.
4. Check voltage

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NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual COMPONENT INSPECTION
EGR valve
Apply vacuum to EGR vacuum port with a hand vacuum pump.
EGR valve spring should lift.
If NG, replace EGR valve.
Throttle control valve
Apply vacuum to throttle control

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NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual Start Signal
TEC443
TROUBLE DIAGNOSES FOR NON-DETECTABLE ITEMS
EC-163

Page 166 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual DIAGNOSTIC PROCEDURE
INSPECTION START
CHECK OVERALL FUNCTION.
1. Turn ignition switch ``ON.
2. Check ``START SIGNAL in
``DATA MONITOR mode with
CONSULT.
-----------------------------------------

Page 167 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual Accelerator Position Switch
The accelerator position switch detects OFF-accelerator switch sig-
nal and Full-accelerator switch signal and send these signals to the
ECM. The ECM will then determine en

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NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual TEC444
TROUBLE DIAGNOSES FOR NON-DETECTABLE ITEMS
Accelerator Position Switch (Contd)
EC-166

Page 169 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual DIAGNOSTIC PROCEDURE
INSPECTION START
CHECK OVERALL FUNCTION.
1. Turn ignition switch ``ON.
2. Select ``FULL ACCEL SW and
``OFF ACCEL SW in ``DATA
MONITOR mode with CON-
SULT.
3. Check ``FULL

Page 170 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual jA
CHECK INPUT SIGNAL CIRCUIT-I.
1. Turn ignition switch ``OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ter-
minal
V6and ECM terminalV31.
Continuity should exist.
If
Trending: overheating, sensor, valves, fuse, timing, coolant reservoir, change time