Nissan Pathfinder (2006 year). Manual — part 24
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-183
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B
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2006 Pathfinder
TCM terminals and data are reference value. Measured between each terminal and ground.
O/D OFF Indicator Lamp Does Not Come On
ECS00EKZ
SYMPTOM:
O/D OFF indicator lamp does not come on for about 2 seconds when turning ignition switch to “ON”.
DIAGNOSTIC PROCEDURE
1.
CHECK CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
,
.
Is a malfunction in the CAN communication indicated in the results?
YES
>> Check CAN communication line. Refer to
AT-103, "DTC U1000 CAN COMMUNICATION LINE"
NO
>> GO TO 2.
2.
CHECK O/D OFF INDICATOR LAMP CIRCUIT
Check the combination meter. Refer to
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 to
AT-173, "MAIN POWER SUPPLY AND GROUND CIR-
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
Terminal
Wire
color
Item
Condition
Data (Approx.)
3
L
CAN-H
–
–
4
V
K-line (CONSULT-
II signal)
The terminal is connected to the data link connector for CONSULT-II.
–
7
LG
Back-up lamp
relay
Selector lever in “R” position.
0V
Selector lever in other positions.
Battery voltage
8
P
CAN-L
–
–
AT-184
TROUBLE DIAGNOSIS FOR SYMPTOMS
2006 Pathfinder
Engine Cannot Be Started In “P” or “N” Position
ECS00EL0
SYMPTOM:
●
Engine cannot be started with selector lever in “P” or “N” position.
●
Engine can be started with selector lever in “D”, “3”, “2”, “1”or “R” position.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSIS RESULTS
Perform self-diagnosis. Refer to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
Do the self-diagnosis results indicate PNP switch?
YES
>> Check the malfunctioning system. Refer to
AT-111, "DTC P0705 PARK/NEUTRAL POSITION
NO
>> GO TO 2.
2.
CHECK CONTROL CABLE
Check the control cable.
●
Refer to
AT-222, "Checking of A/T Position"
OK or NG
OK
>> GO TO 3.
NG
>> Adjust control cable. Refer to
AT-222, "Adjustment of A/T Position"
3.
CHECK STARTING SYSTEM
Check the starting system. Refer to
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-185
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2006 Pathfinder
In “P” Position, Vehicle Moves When Pushed
ECS00EL1
SYMPTOM:
Even though the 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 to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
Do the self-diagnosis results indicate PNP switch?
YES
>> Check the malfunctioning system. Refer to
AT-111, "DTC P0705 PARK/NEUTRAL POSITION
NO
>> GO TO 2.
2.
CHECK CONTROL CABLE
Check the control cable.
●
AT-222, "Checking of A/T Position"
.
OK or NG
OK
>> GO TO 3.
NG
>> Adjust control cable. Refer to
AT-222, "Adjustment of A/T Position"
3.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-53, "Fluid Condition Check"
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 4.
4.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.58).
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
AT-186
TROUBLE DIAGNOSIS FOR SYMPTOMS
2006 Pathfinder
In “N” Position, Vehicle Moves
ECS00EL2
SYMPTOM:
Vehicle moves forward or backward when selecting “N” position.
DIAGNOSTIC PROCEDURE
1.
CHECK PNP SWITCH CIRCUIT
Perform self-diagnosis. Refer to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
Do the self-diagnostic results indicate PNP switch?
YES
>> Check the malfunctioning system. Refer to
AT-111, "DTC P0705 PARK/NEUTRAL POSITION
NO
>> GO TO 2.
2.
CHECK CONTROL CABLE
Check the control cable.
●
Refer to
AT-222, "Checking of A/T Position"
OK or NG
OK
>> GO TO 3.
NG
>> Adjust control cable. Refer to
AT-222, "Adjustment of A/T Position"
3.
CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to
AT-13, "Checking the Automatic Transmission Fluid (ATF)"
OK or NG
OK
>> GO TO 4.
NG
>> Refill ATF.
4.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-53, "Fluid Condition Check"
OK or NG
OK
>> GO TO 5.
NG
>> Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.60).
5.
CHECK SYMPTOM
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 6.
6.
PERFORM TCM INSPECTION
1.
Perform TCM input/output signals inspection. Refer to
AT-86, "TCM Input/Output Signal Reference Val-
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.
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-187
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AT
2006 Pathfinder
Large Shock (“N” to “D” Position)
ECS00EL3
SYMPTOM:
A noticeable shock occurs when the selector lever is shifted from the “N” to “D” position.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
NO
>> GO TO 2.
2.
ENGINE IDLE SPEED
Check the engine idle speed. Refer to
EC-75, "Idle Speed and Ignition Timing Check"
OK or NG
OK
>> GO TO 3.
NG
>> Repair.
3.
CHECK CONTROL CABLE
Check the control cable.
●
AT-222, "Checking of A/T Position"
.
OK or NG
OK
>> GO TO 4.
NG
>> Adjust control cable. Refer to
AT-222, "Adjustment of A/T Position"
4.
CHECK A/T FLUID LEVEL
Check the A/T fluid level. Refer to
AT-13, "Checking the Automatic Transmission Fluid (ATF)"
.
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 to
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 to
AT-233, "Control Valve With TCM and A/T Fluid Temperature Sen-
.
2.
Disassemble A/T. Refer to
3.
Check the following.
–
Oil pump assembly. Refer to
OK or NG
OK
>> GO TO 8.
NG
>> Repair or replace damaged parts.
AT-188
TROUBLE DIAGNOSIS FOR SYMPTOMS
2006 Pathfinder
7.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-233, "Control Valve With TCM and A/T Fluid Temperature Sen-
2.
Disassemble A/T. Refer to
3.
Check the following.
–
.
–
Power train system. Refer to
.
–
Transmission case. Refer to
.
OK or NG
OK
>> GO TO 8.
NG
>> Repair or replace damaged parts.
8.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-53, "Fluid Condition Check"
OK or NG
OK
>> GO TO 10.
NG
>> GO TO 9.
9.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.1).
OK or NG
OK
>> GO TO 10.
NG
>> Repair or replace damaged parts.
10.
CHECK SYMPTOM
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 11.
11.
PERFORM TCM INSPECTION
1.
Perform TCM input/output signals inspection. Refer to
AT-86, "TCM Input/Output Signal Reference Val-
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.
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-189
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2006 Pathfinder
Vehicle Does Not Creep Backward In “R” Position
ECS00EL4
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 to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-90, "SELF-DIAGNOSTIC RESULT MODE"
NO
>> GO TO 2.
2.
CHECK CONTROL CABLE
Check the control cable.
●
AT-222, "Checking of A/T Position"
.
OK or NG
OK
>> GO TO 3.
NG
>> Adjust control cable. Refer to
AT-222, "Adjustment of A/T Position"
3.
CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to
AT-13, "Checking the Automatic Transmission Fluid (ATF)"
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 to
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 to
2.
Check the following items:
–
Reverse brake. Refer to
OK or NG
OK
>> GO TO 9.
NG
>> Repair or replace damaged parts.
6.
CHECK LINE PRESSURE
Check the line pressure with the engine idling. Refer to
OK or NG
OK
>> GO TO 9.
NG - 1 >> Line pressure high. GO TO 7.
NG - 2 >> Line pressure low. GO TO 8.
AT-190
TROUBLE DIAGNOSIS FOR SYMPTOMS
2006 Pathfinder
7.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-233, "Control Valve With TCM and A/T Fluid Temperature Sen-
2.
Disassemble A/T. Refer to
3.
Check the following.
–
.
OK or NG
OK
>> GO TO 9.
NG
>> Repair or replace damaged parts.
8.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-233, "Control Valve With TCM and A/T Fluid Temperature Sen-
2.
Disassemble A/T. Refer to
3.
Check the following.
–
.
–
Power train system. Refer to
.
–
Transmission case. Refer to
.
OK or NG
OK
>> GO TO 9.
NG
>> Repair or replace damaged parts.
9.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-233, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-53, "Fluid Condition Check"
OK or NG
OK
>> GO TO 10.
NG
>> GO TO 13.
10.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.43).
OK or NG
OK
>> GO TO 11.
NG
>> Repair or replace damaged parts.
11.
CHECK SYMPTOM
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 12.
12.
PERFORM TCM INSPECTION
1.
Perform TCM input/output signals inspection. Refer to
AT-86, "TCM Input/Output Signal Reference Val-
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.
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