ECO mode NISSAN NAVARA 2005 Repair Workshop Manual

TROUBLE DIAGNOSIS
TF-47
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DATA MONITOR MODE
Operation Procedure
1. Perform “CONSULT-II SETTING PROCEDURE”. Refer toTF-44, "CONSULT-II SETTING PROCEDURE"
.
2. Touch “DATA MONITOR”.
3. Select from “SELECT MONITOR ITEM”, screen of data monitor mode is displayed.
NOTE:
When malfunction is detected, CONSULT-II performs REAL-TIME DIAGNOSIS.
Also, any malfunction detected while in this mode will be displayed in real time.
Display Item List
´: Standard –: Not applicable
Monitored item (Unit)Monitor item selection
Remarks
ECU INPUT
SIGNALSMAIN
SIGNALSSELECTION
FROM MENU
VHCL/S SEN·FR [km/h] or [mph]´–´For ABS models, wheel speed calculated
by ABS actuator and electric unit (control
unit). Signal input with CAN communica-
tion line.
VHCL/S SEN·RR [km/h] or [mph]´–´For ABS models, wheel speed calculated
by TCM. Signal input with CAN communi-
cation line.
ENGINE SPEED [rpm]´–´Engine speed is displayed.
Signal input with CAN communication line.
BATTERY VOLT [V]´–´Power supply voltage for transfer control
unit.
2WD SWITCH [ON/OFF]´–´
4WD shift switch signal status is dis-
played.
(4L means 4LO of 4WD shift switch.) 4H SWITCH [ON/OFF]´–´
4L SWITCH [ON/OFF]´–´
4L POSI SW [ON/OFF]´–´This means 4LO switch.
4LO switch signal status is displayed.
ATP SWITCH [ON/OFF]´–´ATP switch signal status is displayed.
WAIT DETCT SW [ON/OFF]´–´Wait detection switch signal status is dis-
played.
4WD MODE [2H/4H/4L] –´´Control status of 4WD recognized by
transfer control unit. (2WD, 4H or 4LO)
VHCL/S COMP [km/h] or [mph] –´´Vehicle speed recognized by transfer con-
trol unit.
SHIFT ACT 1 [ON/OFF] –´´Output condition to actuator motor (clock-
wise)
SHIFT AC MON 1 [ON/OFF] – –´Check signal for transfer control unit sig-
nal output
SHIFT ACT 2 [ON/OFF] –´´Output condition to actuator motor (coun-
terclockwise)
SHIFT AC MON 2 [ON/OFF] – –´Check signal for transfer control unit sig-
nal output
SFT ACT/R MON [ON/OFF] – –´Operating condition of actuator motor
relay (integrated in transfer control unit)
SHIFT POS SW 1 [ON/OFF]´–´Condition of actuator position switch 1
SHIFT POS SW 2 [ON/OFF]´–´Condition of actuator position switch 2
SHIFT POS SW 3 [ON/OFF]´–´Condition of actuator position switch 3
SHIFT POS SW 4 [ON/OFF]´–´Condition of actuator position switch 4

TF-52
TROUBLE DIAGNOSIS FOR SYSTEM
TROUBLE DIAGNOSIS FOR SYSTEM
PFP:00000
Power Supply Circuit For Transfer Control UnitEDS0031Y
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
TRANSFER CONTROL UNIT TERMINALS AND REFERENCE VALUE
Data are reference value and are measured between each terminal and ground.
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.Monitored item [Unit] Content Condition Display value
BATTERY VOLT [V]Power supply voltage for
transfer control unitIgnition switch: ON Battery voltage
Te r m i n a lWire
colorItem Condition Data (Approx.)
6 B Ground Always 0V
18 B Ground Always 0V
19 RPower supply
(Memory back-up)Ignition switch: ON
Battery voltage
Ignition switch: OFF
25 LG Ignition switch monitorIgnition switch: ON Battery voltage
Ignition switch: OFF 0V
32 B Ground Always 0V
40 V Transfer shut off relayIgnition switch: ON 0V
Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)Battery voltage
44 Y Power supplyIgnition switch: ON Battery voltage
Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)0V
45 GR Power supplyIgnition switch: ON Battery voltage
Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)0V

TROUBLE DIAGNOSIS FOR SYSTEM
TF-55
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2.PERFORM SELF-DIAGNOSIS (WITH CONSULT-II)
With CONSULT-II
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode for “ALL MODE AWD/4WD” with CONSULT-II.
3. Touch “ERASE”.
4. Turn ignition switch “OFF” and wait at least 10 seconds.
5. Perform the self-diagnosis again.
Is the
“CONTROL UNIT 1 [P1802]”,“CONTROL UNIT 2 [P1803]”,“CONTROL UNIT 3 [P1804]”or“CONTROL
UNIT 4 [P1809]”displayed?
YES >> Replace transfer control unit. Refer toTF-100, "Removal and Installation".
NO >>INSPECTION END
3.PERFORM SELF-DIAGNOSIS (WITHOUT CONSULT-II)
Without CONSULT-II
1. Perform the self-diagnosis and then erase self-diagnostic results. Refer toTF-49, "
SELF-DIAGNOSTIC
PROCEDURE (WITHOUT CONSULT-II)"andTF-51, "ERASE SELF-DIAGNOSIS".
2. Perform the self-diagnosis again.
Do the self-diagnostic results indicate AD converter?
YES >> Replace transfer control unit. Refer toTF-100, "Removal and Installation".
NO >>INSPECTION END
Output Shaft Revolution Signal (TCM)EDS00320
DIAGNOSTIC PROCEDURE
1.CHECK DTC WITH TCM
Perform self-diagnosis with TCM. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE".
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 2.
2.CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer toTF-38, "
Transfer Control Unit Input/Output Signal Ref-
erence Values".
OK or NG
OK >> GO TO 3.
NG >> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
3.CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK >>INSPECTION END
NG >> Perform self-diagnosis with TCM again. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE".
Vehicle Speed Sensor (ABS)EDS00321
DIAGNOSTIC PROCEDURE
1.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Perform self-diagnosis with ABS actuator and electric unit (control unit). Refer toBRC-18, "
Self-Diagnosis".
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 2.

TROUBLE DIAGNOSIS FOR SYSTEM
TF-59
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6.CHECK DTC
Perform the self-diagnosis, after driving the vehicle for a while.
OK or NG
OK >>INSPECTION END
NG >> Replace transfer control unit. Refer toTF-100, "
Removal and Installation".
COMPONENT INSPECTION
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect 4LO switch harness connector.
3. Remove 4LO switch. Refer toTF-21, "
Location of Electrical Parts".
4. Push and release 4LO switch and check continuity between
4LO switch terminals 12 and 13.
5. If NG, replace the 4LO switch. Refer toTF-21, "
Location of Elec-
trical Parts".
4WD Shift SwitchEDS00323
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
TRANSFER CONTROL UNIT TERMINALS AND REFERENCE VALUE
Data are reference value and are measured between each terminal and ground.
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.Terminal Condition Continuity
12 - 13Push 4LO switch Yes
Release 4LO switch No
PDIA0204E
Monitored item [Unit] Content Condition Display value
2WDSWITCH[ON/
OFF]Input condition from 4WD
shift switch4WD shift switch: 2WD ON
4WD shift switch: 4H and 4LO OFF
4H SWITCH [ON/OFF]Input condition from 4WD
shift switch4WD shift switch: 4H ON
4WD shift switch: 2WD and 4LO OFF
4L SWITCH [ON/OFF]Input condition from 4WD
shift switch4WD shift switch: 4LO ON
4WD shift switch: 2WD and 4H OFF
4WD MODE [2H/4H/4L]Control status of 4WD
(Output condition of 4WD
shift indicator lamp and
4LO indicator lamp)4WD shift switch
(Engine running)2WD 2H
4H 4H
4LO 4L
TerminalWire
colorItem Condition Data (Approx.)
14 G 4WD shift switch (2WD)
Ignition switch: ON4WD shift switch: 2WD Battery voltage
4WD shift switch: 4H and 4LO 0V
15 O 4WD shift switch (4H)4WD shift switch: 4H Battery voltage
4WD shift switch: 2WD and 4LO 0V
16 W 4WD shift switch (4LO)4WD shift switch: 4LO Battery voltage
4WD shift switch: 2WD and 4H 0V

TF-66
TROUBLE DIAGNOSIS FOR SYSTEM
6.CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK >>INSPECTION END
NG >> Replace transfer control unit. Refer toTF-100, "
Removal and Installation".
COMPONENT INSPECTION
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect wait detection switch harness connector.
3. Remove wait detection switch. Refer toTF-21, "
Location of Electrical Parts".
4. Push and release wait detection switch and check continuity
between wait detection switch terminals 10 and 11.
5. If NG, replace the wait detection switch. Refer toTF-21, "
Loca-
tion of Electrical Parts".
PNP Switch Signal (TCM)EDS00325
DIAGNOSTIC PROCEDURE
1.CHECK DTC WITH TCM
Perform self-diagnosis with TCM. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE".
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 2.
2.CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer toTF-38, "
Transfer Control Unit Input/Output Signal Ref-
erence Values".
OK or NG
OK >> GO TO 3.
NG >> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
3.CHECK DTC
Perform the self-diagnosis, after driving vehicle.
OK or NG
OK >>INSPECTION END
NG >> Perform self-diagnosis with TCM again. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE".
Terminal Condition Continuity
10 - 11Push wait detection switch Yes
Release wait detection switch No
PDIA0208E

TROUBLE DIAGNOSIS FOR SYSTEM
TF-67
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Actuator MotorEDS00326
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
TRANSFER CONTROL UNIT TERMINALS AND REFERENCE VALUE
Data are reference value and are measured between each terminal and ground.
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.Monitored item Content Condition Display value
SHIFT ACT 1 [ON/OFF]Output condition to actua-
tor motor (clockwise)
lVehicle stopped
lEngine running
lFor A/T models, A/T
selector lever “N” posi-
tion with brake pedal
depressed.
lFor M/T models, M/T
shift lever neutral posi-
tion with clutch and
brake pedal depressed.4WD shift switch:
2WDto4Hor4Hto4LO
or 2WD to 4LOON
Except the above OFF
SHIFT AC MON1 [ON/
OFF]Check signal for transfer
control unit signal output4WD shift switch:
2WDto4Hor4Hto4LO
or 2WD to 4LOON
Except the above OFF
SHIFT ACT 2 [ON/OFF]Output condition to actua-
tor motor (counterclock-
wise)4WD shift switch:
4LO to 4H or 4H to 2WD
or 4LO to 2WDON
Except the above OFF
SHIFT AC MON2 [ON/
OFF]Check signal for transfer
control unit signal output4WD shift switch:
4LO to 4H or 4H to 2WD
or 4LO to 2WDON
Except the above OFF
TerminalWire
colorItem Condition Data (Approx.)
27 L Actuator motor power supplyIgnition switch: ON Battery voltage
Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)0V
28 BR Actuator motor (+)
lVehicle stopped
lEngine running
lFor A/T models,
A/T selector
lever “N” position
with brake pedal
depressed.
lFor M/T models,
M/T shift lever
neutral position
with clutch and
brake pedal
depressed.When 4WD shift switch is operated
(while actuator motor is operating)Battery voltage
®0V
When 4WD shift switch is not operated 0V
31 G Actuator motor (-) Always 0V
42 LG Transfer shift high relay4WD shift switch:
2WD to 4H or 4H to 4LO or 2WD to 4LO0V
Except the above Battery voltage
47 OTransfer shift high relay moni-
tor4WD shift switch:
2WD to 4H or 4H to 4LO or 2WD to 4LO
(while actuator motor is operating)Battery voltage
®0V
Except the above 0V
48 RTransfer shift low relay moni-
tor4WD shift switch:
4LO to 4H or 4H to 2WD or 4LO to 2WD
(while actuator motor is operating)Battery voltage
®0V
Except the above 0V
50 Y Transfer shift low relay4WD shift switch:
4LO to 4H or 4H to 2WD or 4LO to 2WD0V
Except the above Battery voltage

TF-78
TROUBLE DIAGNOSIS FOR SYSTEM
Transfer Control Device
EDS00328
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
TRANSFER CONTROL UNIT TERMINALS AND REFERENCE VALUE
Data are reference value and are measured between each terminal and ground.
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.Monitored item [Unit] Content Condition Display value
SHIFT ACT/R MON
[ON/OFF]Operating condition of
actuator motor relay (inte-
grated in transfer control
unit)
lVehicle stopped
lEngine running
lFor A/T models, A/T
selector lever “N” posi-
tion with brake pedal
depressed.
lFor M/T models, M/T
shift lever neutral posi-
tion with clutch and
brake pedal
depressed.When 4WD shift switch is
operatedON
When 4WD shift switch is
not operatedOFF
Te r m i n a lWire
colorItem Condition Data (Approx.)
25 LG Ignition switch monitorIgnition switch: ON Battery voltage
Ignition switch: OFF 0V
27 L Actuator motor power supplyIgnition switch: ON Battery voltage
Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)0V
32 B Ground Always 0V
40 V Transfer shut off relayIgnition switch: ON 0V
Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)Battery voltage

TROUBLE DIAGNOSIS FOR SYSTEM
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5.PERFORM SELF-DIAGNOSIS (WITH CONSULT-II)
With CONSULT-II
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode for “ALL MODE AWD/4WD” with CONSULT-II.
3. Touch “ERASE”.
4. Turn ignition switch “OFF” and wait at least 10 seconds.
5. Perform the self-diagnosis again.
Is the
“SHIFT ACT CIR [P1819]”displayed?
YES >> Replace transfer control unit. Refer toTF-100, "Removal and Installation".
NO >>INSPECTION END
6.PERFORM SELF-DIAGNOSIS (WITHOUT CONSULT-II)
Without CONSULT-II
1. Perform the self-diagnosis and then erase self-diagnostic results. Refer toTF-49, "
SELF-DIAGNOSTIC
PROCEDURE (WITHOUT CONSULT-II)"andTF-51, "ERASE SELF-DIAGNOSIS".
2. Perform the self-diagnosis again.
Do the self-diagnostic results indicate transfer control device?
YES >> Replace transfer control unit. Refer toTF-100, "Removal and Installation".
NO >>INSPECTION END
Engine Speed Signal (ECM)EDS00329
DIAGNOSTIC PROCEDURE
1.CHECK DTC WITH ECM
Perform self-diagnosis with ECM. Refer toEC-27, "
ON BOARD DIAGNOSTIC (OBD) SYSTEM".
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 2.
2.CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer toTF-38, "
Transfer Control Unit Input/Output Signal Ref-
erence Values".
OK or NG
OK >> GO TO 3.
NG >> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
3.CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK >>INSPECTION END
NG >> Perform self-diagnosis with ECM again. Refer toEC-27, "
ON BOARD DIAGNOSTIC (OBD) SYS-
TEM".

TROUBLE DIAGNOSIS FOR SYSTEM
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DIAGNOSTIC PROCEDURE
1.CHECK ATP SWITCH SIGNAL
With CONSULT-II
1. Start engine.
2. Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.
3. Read out the value of “ATP SWITCH”.
Without CONSULT-II
1. Start engine.
2. Check voltage between transfer control unit harness connector
terminal and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
2.CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND ATP SWITCH
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect transfer control unit harness connector and the ATP switch harness connector.
3. Check continuity between transfer control unit harness connec-
tor M105 terminal 23 and ATP switch harness connector F41
terminal 8.
Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
Condition Display value
lVehicle stopped
lEngine running
lA/T selector lever
“N” position with
brake pedal
depressed.4WD shift switch: 4H to 4LO or 4LO to 4H
(While actuator motor is operating.)ON
Except the above OFF
SDIA2391E
Connector Terminal ConditionVoltage
(Approx.)
M10523 -
Ground
lVehicle stopped
lEngine running
lA/T selector lever
“N” position with
brake pedal
depressed.4WD shift switch:
4H to 4LO or 4LO to
4H
(While actuator motor
is operating.)0V
Except the aboveBattery
voltage
SDIA3375E
Continuity should exist.
SDIA3376E

TF-124
TRANSFER ASSEMBLY
21. Install the snap ring to the mainshaft, using suitable tool.
CAUTION:
Do not reuse snap ring.
22. Install the retainer to the mainshaft.
CAUTION:
Set the projection of oil pump assembly to the identification
hole, and then align locating hole of retainer to the L-H shift
rod assembly.
23. Install the mainshaft rear bearing to the mainshaft, using Tool.
CAUTION:
Do not push too hard in order to avoid snap rings becoming
dislodged from mainshaft.
24. Install the snap ring to the mainshaft, using suitable tool.
CAUTION:
Do not reuse snap ring.
25. Install the spacer to the control shift rod (A/T models only).
26. Apply recommended sealant to the mating surface of the front
case. Refer toTF-112, "
COMPONENTS".
CAUTION:
Remove old sealant adhering to mating surfaces. Also
remove any moisture, oil, or foreign material adhering to
application and mating surfaces.
27. Install the rear case to the front case.
SDIA2461E
SDIA2468E
Tool number : KV32102700
SDIA2469E
SDIA2430E
SDIA3305E