Nissan Pathfinder (2007 year). Instruction — part 30
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-211
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2007 Pathfinder
A/T Does Not Shift: 2nd gear
→
1st gear
ECS00ELI
SYMPTOM:
When shifted from 2
2
to 1
1
position, does not downshift from 2nd to 1st gears.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSIS RESULTS
Perform self-diagnosis. Refer to
AT-88, "SELF-DIAGNOSTIC RESULT MODE"
.
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-88, "SELF-DIAGNOSTIC RESULT MODE"
NO
>> GO TO 2.
2.
CHECK 1ST POSITION SWITCH CIRCUIT
With CONSULT-II
1.
Turn ignition switch “ON”.
2.
Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3.
Read out “1 POSITION SW” switch moving selector lever to
each position.
Without CONSULT-II
1.
Turn ignition switch “ON”. (Do not start engine)
2.
Check voltage between A/T device harness connector terminal and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
CHECK A/T FLUID LEVEL
Check the A/T fluid level. Refer to
AT-12, "Checking the A/T Fluid (ATF)"
.
OK or NG
OK
>> GO TO 4.
NG
>> Refill ATF.
Monitor item
Condition
Display value
1 POSITION SW
When setting the selector
lever to “1” position.
ON
When setting selector
lever to other positions.
OFF
LCIA0339E
Item
Connector No.
Terminal No.
Condition
Data
(Approx.)
1st position
switch
M156
9 - Ground
When setting
the selector
lever to “1”
position.
0V
When setting
selector lever
to other posi-
tions.
Battery volt-
age
AT-212
TROUBLE DIAGNOSIS FOR SYMPTOMS
2007 Pathfinder
4.
CHECK CONTROL CABLE
Check the control cable.
●
Refer to
AT-216, "Checking of A/T Position"
OK or NG
OK
>> GO TO 5.
NG
>> Adjust control cable. Refer to
AT-216, "Adjustment of A/T Position"
5.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-227, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-52, "Fluid Condition Check"
OK or NG
OK
>> GO TO 6.
NG
>> GO TO 9.
6.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.17).
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
7.
CHECK SYMPTOM
Check again. Refer to
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 8.
8.
PERFORM TCM INSPECTION
1.
Perform TCM input/output signals inspection. Refer to
AT-85, "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.
9.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.17).
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-213
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2007 Pathfinder
Vehicle Does Not Decelerate By Engine Brake
ECS00ELJ
SYMPTOM:
No engine brake is applied when the gear is shifted from the 2
2
to 1
1
.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSIS RESULTS
Perform self-diagnosis.
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-88, "SELF-DIAGNOSTIC RESULT MODE"
NO
>> GO TO 2.
2.
CHECK 1ST POSITION SWITCH CIRCUIT
With CONSULT-II
1.
Turn ignition switch “ON”.
2.
Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3.
Read out “1 POSITION SW” moving switch selector lever to
each position.
Without CONSULT-II
1.
Turn ignition switch “ON”. (Do not start engine)
2.
Check voltage between A/T device harness connector terminal and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
CHECK A/T FLUID LEVEL
Check the A/T fluid level. Refer to
AT-12, "Checking the A/T Fluid (ATF)"
.
OK or NG
OK
>> GO TO 4.
NG
>> Refill ATF.
Monitor item
Condition
Display value
1 POSITION SW
When setting the selector
lever to “1” position.
ON
When setting selector
lever to other positions.
OFF
LCIA0339E
Item
Connector No.
Terminal No.
Condition
Data
(Approx.)
1st position
switch
M156
9 - Ground
When setting
the selector
lever to “1”
position.
0V
When setting
selector lever
to other posi-
tions.
Battery volt-
age
AT-214
TROUBLE DIAGNOSIS FOR SYMPTOMS
2007 Pathfinder
4.
CHECK CONTROL CABLE
Check the control cable.
●
Refer to
AT-216, "Checking of A/T Position"
OK or NG
OK
>> GO TO 5.
NG
>> Adjust control cable. Refer to
AT-216, "Adjustment of A/T Position"
5.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-227, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-52, "Fluid Condition Check"
OK or NG
OK
>> GO TO 6.
NG
>> GO TO 9.
6.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.53).
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
7.
CHECK SYMPTOM
Check again. Refer to
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 8.
8.
PERFORM TCM INSPECTION
1.
Perform TCM input/output signals inspection. Refer to
AT-85, "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.
9.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.53).
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
SHIFT CONTROL SYSTEM
AT-215
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2007 Pathfinder
SHIFT CONTROL SYSTEM
PFP:34901
Control Device Removal and Installation
ECS00ELK
1.
Selector button
2.
Selector spring
3.
Selector lever
4.
Overdrive control switch
5.
Position indicator
6.
Position lamp
7.
A/T device harness connector
8.
A/T selector control cable
9.
Lock plate
10.
A/T key interlock cable
11.
A/T control device assembly
WCIA0503E
AT-216
SHIFT CONTROL SYSTEM
2007 Pathfinder
REMOVAL
1.
Remove the A/T finisher. Refer to
IP-10, "INSTRUMENT PANEL ASSEMBLY"
2.
Disconnect the following from the A/T control device assembly.
●
A/T selector control cable
●
A/T key interlock cable
●
A/T device connector
3.
Remove the A/T control device assembly.
INSTALLATION
Installation is in reverse order of removal.
Adjustment of A/T Position
ECS00ELL
1.
Loosen nut of control cable.
2.
Place the instruction lever and selector lever in “P” position.
3.
Push the control cable in the direction shown with a force of 9.8
N (1kg, 2.2 lb), and release it. This is in the natural state, tighten
control cable nut to specifications.
Checking of A/T Position
ECS00ELM
With the selector lever in the “P” position, turn the ignition switch to the ON position with the engine OFF.
Confirm that the following conditions apply.
●
The selector lever can be shifted from the “P” position only when the brake pedal is depressed.
●
The selector lever stops at each position with the feel of engagement when it is moved through all the
positions.
●
There is no excessive effort, sticking, noise or rattle.
●
The actual position of the selector lever matches the position shown by the shift position indicator and the
A/T body.
●
The back-up lamps illuminate only when the selector lever is placed in the “R” position.
●
The back-up lamps do not illuminate when the selector lever is pushed against the “R” position when in
the “P” or “N” position.
●
The engine can only be started with the selector lever in the “P” and “N” positions.
●
The A/T is locked completely when in the “P” position.
Control cable nut
: 14.5 N·m (1.5 kg-m, 11 ft-lb)
SCIA6532E
A/T SHIFT LOCK SYSTEM
AT-217
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2007 Pathfinder
A/T SHIFT LOCK SYSTEM
PFP:34950
Description
ECS00ELN
●
The mechanical key interlock mechanism also operates as a shift lock:
With the ignition switch turned to ON, the selector lever cannot be shifted from “P” (parking) to any other
position unless the brake pedal is depressed.
With the key removed, the selector lever cannot be shifted from “P” to any other position.
The key cannot be removed unless the selector lever is placed in “P” position.
●
The shift lock and key interlock mechanisms are controlled by the ON-OFF operation of the shift lock sole-
noid and by the operation of the rotator and slider located inside the key cylinder, respectively.
Shift Lock System Electrical Parts Location
ECS00ELO
WCIA0528E
AT-218
A/T SHIFT LOCK SYSTEM
2007 Pathfinder
Wiring Diagram — A/T — SHIFT
ECS00ELP
BCWA0712E
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