NISSAN NAVARA 2005 Repair Workshop Manual

OVERDRIVE CONTROL SWITCH
AT-173
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4.DETECT MALFUNCTIONING ITEM
Check the following. If any items are damaged, repair or replace damaged parts.
lHarness for short or open between combination meter connector M23 terminal 20 and A/T control device
connector M79 terminal 7.
lHarness for short or open between A/T control device connector M79 terminal 8 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5.CHECK COMBINATION METER
Check the combination meter. Refer toDI-18, "
HOW TO PERFORM TROUBLE DIAGNOSIS".
OK or NG
OK >>INSPECTION END
NO >> Repair or replace damaged parts.

AT-174
TROUBLE DIAGNOSIS FOR SYMPTOMS
TROUBLE DIAGNOSIS FOR SYMPTOMS
PFP:00007
Wiring Diagram — AT — NONDTCECS00G2A
MCWA0227E

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-175
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MCWA0207E

AT-176
TROUBLE DIAGNOSIS FOR SYMPTOMS
MCWA0228E

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-177
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Data are reference value and are measured between each terminal and ground.
OD OFF Indicator Lamp Does Not Come OnECS00G2B
SYMPTOM:
OD OFF indicator lamp does not come on for about 2 seconds when turning ignition switch ON.
DIAGNOSTIC PROCEDURE
1.CHECK CAN COMMUNICATION LINE
Perform self-diagnosis. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE",AT-89, "Diagnostic Procedure
Without CONSULT-II".
Is a malfunction in the CAN communication indicated in the results?
YES >> Check CAN communication line. Refer toAT-91, "DTC U1000 CAN COMMUNICATION LINE".
NO >> GO TO 2.
2.CHECK OD OFF INDICATOR LAMP CIRCUIT
Check combination meter. Refer toDI-4, "
COMBINATION METERS".
OK or NG
OK >> GO TO 3
NG >> Repair or replace damaged parts.
3.CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer toAT- 1 6 4 , "
MAIN POWER SUPPLY AND GROUND CIR-
CUIT".
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Engine Cannot Be Started in “P” or “N” PositionECS00G2C
SYMPTOM:
lEngine cannot be started with selector lever in “P” or “N” position.
lEngine can be started with selector lever in “R”, “D”, “3”, “2” or “1” position.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Perform self-diagnosis. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE",AT-89, "Diagnostic Procedure
Without CONSULT-II".
Do the self-diagnosis results indicate PNP switch?
YES >> Check malfunctioning system. Refer toAT-99, "DTC P0705 PARK/NEUTRAL POSITION
SWITCH".
NO >> GO TO 2.
TerminalWire
colorItem Condition Data (Approx.)
3 L CAN-H – –
4GRK-line (CONSULT-
II signal)The terminal is connected to the data link connector for CONSULT-II. –
7LGBack-up lamp
relaySelector lever in “R” position. 0V
Selector lever in other positions. Battery voltage
8 P CAN-L – –
9BRStarterrelaySelector lever in “N” or “P” position. Battery voltage
Selector lever in other positions. 0V

AT-178
TROUBLE DIAGNOSIS FOR SYMPTOMS
2.CHECK CONTROL CABLE
Check control cable. Refer toAT- 2 11 , "
Checking of A/T Position".
OK or NG
OK >> GO TO 3.
NG >> Adjust control cable. Refer toAT- 2 11 , "
Adjustment of A/T Position".
3.CHECK STARTING SYSTEM
Check starting system. Refer toSC-27, "
STARTING SYSTEM".
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
In “P” Position, Vehicle Moves When PushedECS00G2D
SYMPTOM:
Even though selector lever is set in the “P” position, the parking mechanism is not actuated, allowing
the vehicle to be moved when it is pushed.
DIAGNOSTIC PROCEDURE
1.CHECK PNP SWITCH CIRCUIT
Perform self-diagnosis. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE",AT-89, "Diagnostic Procedure
Without CONSULT-II".
Do the self-diagnosis results indicate PNP switch?
YES >> Check malfunctioning system. Refer toAT-99, "DTC P0705 PARK/NEUTRAL POSITION
SWITCH".
NO >> GO TO 2.
2.CHECK CONTROL CABLE
Check control cable. Refer toAT- 2 11 , "
Checking of A/T Position".
OK or NG
OK >> GO TO 3.
NG >> Adjust control cable. Refer toAT- 2 11 , "
Adjustment of A/T Position".
3.CHECK PARKING COMPONENTS
Check parking components. Refer toAT- 2 3 0 , "
Parking Components (2WD Models Only)"(2WD models),AT-
263, "DISASSEMBLY"(4WD models).
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer toAT- 2 1 8 , "
Control Valve With TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer toAT-43, "
A/T Fluid Condition Check".
OK or NG
OK >>INSPECTION END
NG >> Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer toAT-
53, "Symptom Chart"(Symptom No.58)

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-179
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In “N” Position, Vehicle MovesECS00G2E
SYMPTOM:
Vehicle moves forward or backward when selecting “N” position.
DIAGNOSTIC PROCEDURE
1.CHECK PNP SWITCH CIRCUIT
Perform self-diagnosis. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE",AT-89, "Diagnostic Procedure
Without CONSULT-II".
Do the self-diagnostic results indicate PNP switch?
YES >> Check malfunctioning system. Refer toAT-99, "DTC P0705 PARK/NEUTRAL POSITION
SWITCH".
NO >> GO TO 2.
2.CHECK CONTROL CABLE
Check control cable. Refer toAT- 2 11 , "
Checking of A/T Position".
OK or NG
OK >> GO TO 3.
NG >> Adjust control cable. Refer toAT- 2 11 , "
Adjustment of A/T Position".
3.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer toAT-12, "
Checking A/T Fluid".
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer toAT- 2 1 8 , "
Control Valve With TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer toAT-43, "
A/T Fluid Condition Check".
OK or NG
OK >> GO TO 5.
NG >> Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer toAT-
53, "Symptom Chart"(Symptom No.60).
5.CHECK SYMPTOM
Check again. Refer toAT-47, "
Check at Idle".
OK or NG
OK >>INSPECTION END
NG >> GO TO 6.
6.CHECK TCM
1. Check TCM input/output signals. Refer toAT-76, "
TCM Input/Output Signal Reference Values".
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.

AT-180
TROUBLE DIAGNOSIS FOR SYMPTOMS
Large Shock (“N” to “D” Position)
ECS00G2F
SYMPTOM:
A noticeable shock occurs when selector lever is shifted from the “N” to “D” position.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE",AT-89, "Diagnostic Procedure
Without CONSULT-II".
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer toAT-80, "SELF-DIAGNOSTIC RESULT MODE",AT- 9 0 ,
"Judgement Self-diagnosis Code".
NO >> GO TO 2.
2.CHECK ENGINE IDLE SPEED
Check engine idle speed. Refer toEC-38, "
Basic Inspection".
OK or NG
OK >> GO TO 3.
NG >> Adjust engine idle speed. Refer toEC-38, "
Basic Inspection".
3.CHECK CONTROL CABLE
Check control cable. Refer toAT- 2 11 , "
Checking of A/T Position".
OK or NG
OK >> GO TO 4.
NG >> Adjust control cable. Refer toAT- 2 11 , "
Adjustment of A/T Position".
4.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer toAT-12, "
Checking A/T Fluid".
OK or NG
OK >> GO TO 5.
NG >> Refill ATF.
5.CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer toAT-44, "
LINE PRESSURE TEST".
OK or NG
OK >> GO TO 8.
NG - 1 >> Line pressure high: GO TO 6.
NG - 2 >> Line pressure low: GO TO 7.
6.DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer toAT- 2 1 8 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2".
2. Disassemble A/T. Refer toAT- 2 6 3 , "
DISASSEMBLY".
3. Check the following.
–Oil pump assembly. Refer toAT- 2 8 1 , "Oil Pump".
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-181
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7.DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer toAT- 2 1 8 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2".
2. Disassemble A/T. Refer toAT- 2 6 3 , "
DISASSEMBLY".
3. Check the following.
–Oil pump assembly. Refer toAT- 2 8 1 , "Oil Pump".
–Power train system. Refer toAT- 2 6 3 , "DISASSEMBLY".
–Transmission case. Refer toAT- 2 6 3 , "DISASSEMBLY".
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
8.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer toAT- 2 1 8 , "
Control Valve With TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer toAT-43, "
A/T Fluid Condition Check".
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9.DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer toAT-53, "
Symp-
tom Chart"(Symptom No.1).
OK or NG
OK >> GO TO 10.
NG >> Repair or replace damaged parts.
10.CHECK SYMPTOM
Check again. Refer toAT-47, "
Check at Idle".
OK or NG
OK >>INSPECTION END
NG >> GO TO 11.
11 .CHECK TCM
1. Check TCM input/output signals. Refer toAT-76, "
TCM Input/Output Signal Reference Values".
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.

AT-182
TROUBLE DIAGNOSIS FOR SYMPTOMS
Vehicle Does Not Creep Backward in “R” Position
ECS00G2G
SYMPTOM:
The vehicle does not creep in the “R” position. Or an extreme lack of acceleration is observed.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE",AT-89, "Diagnostic Procedure
Without CONSULT-II".
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer toAT-80, "SELF-DIAGNOSTIC RESULT MODE",AT- 9 0 ,
"Judgement Self-diagnosis Code"
NO >> GO TO 2.
2.CHECK CONTROL CABLE
Check control cable. Refer toAT- 2 11 , "
Checking of A/T Position".
OK or NG
OK >> GO TO 3.
NG >> Adjust control cable. Refer toAT- 2 11 , "
Adjustment of A/T Position".
3.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer toAT-12, "
Checking A/T Fluid".
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4.CHECK STALL TEST
Check stall revolution with selector lever in “1” and “R” positions. Refer toAT-43, "
STALL TEST".
OK or NG
OK >> GO TO 6.
OK in “1” position, NG in “R” position>>GO TO 5.
NG in both “1” and “R” positions>>GO TO 8.
5.DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Refer toAT- 2 6 3 , "
DISASSEMBLY".
2. Check the following items:
–Reverse brake. Refer toAT- 2 6 3 , "DISASSEMBLY".
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
6.CHECK LINE PRESSURE
Check line pressure with the engine idling. Refer toAT-44, "
LINE PRESSURE TEST".
OK or NG
OK >> GO TO 9.
NG - 1 >> Line pressure high. GO TO 7.
NG - 2 >> Line pressure low. GO TO 8.