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
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NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual COMPONENT INSPECTION
Accelerator position switch
1. Disconnect accelerator position switch harness connector.
2. Check continuity between terminals
V5andV6.
Conditions Continuity
Accelerator pedal rel

Page 172 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual Park/Neutral Position Switch
TEC445
TROUBLE DIAGNOSES FOR NON-DETECTABLE ITEMS
EC-170

Page 173 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual When the gear position is in ``N, neutral position switch is ``ON.
The ECM detects the position because the continuity of the line (the
``ON signal) exists.
CONSULT REFERENCE VALUE IN DATA MONIT

Page 174 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual jA
CHECK GROUND CIRCUIT.
1. Turn ignition switch ``OFF.
2. Disconnect neutral position switch har-
ness connector.
3. Check harness continuity between termi-
nal
V2and body ground.
Continuity should

Page 175 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual A/T models
INSPECTION START
CHECK OVERALL FUNCTION.
1. Turn ignition switch ``ON.
2. Select ``P/N POSI SW in
``DATA MONITOR mode with
CONSULT.
3. Check ``P/N POSI SW signal
under the following

Page 176 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 TCM harness connector.
3. Check harness continuity between TCM
terminal
V36and terminalsV7,V9.
Continuity should exist.

Page 177 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual A/T Control
These circuit lines are used to control the smooth shifting up and
down of A/T during the hard acceleration/deceleration.
Voltage signals are exchanged between ECM and TCM.
ECM TERMINALS A

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NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual TEC440
TROUBLE DIAGNOSES FOR NON-DETECTABLE ITEMS
A/T Control (Contd)
EC-176

Page 179 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual DIAGNOSTIC PROCEDURE
INSPECTION START
CHECK OVERALL FUNCTION.
1. Start engine and let it idle.
2. Check voltage between ECM terminals
V24,V30,V37and ground with CON-
SULT or tester.
NG
cOK
INSPECTION

Page 180 of 192

NISSAN PATROL 1998 Y61 / 5.G Engine Control Workshop Manual Charge Air Cooler Fan Control
SYSTEM DESCRIPTION
Crankshaft position sensor (TDC)cEngine speed
ECM
cCharge air cooler fan relayCharge air temperature sensorcCharge air temperature
Ignition switch
cSta
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