2003 NISSAN TEANA Selector

AT-172
TROUBLE DIAGNOSIS FOR SYMPTOMS

Data are reference value and are measured between each terminal and ground.
**: These terminals are connected to the data link connector.Terminal Wire color Item ConditionJudgement standard
(Approx.)
5 L CAN-H — —
6 P CAN-L — —
26 V/WPNP switch “1” posi-
tion
and When setting selector
lever to “1” position.Battery voltage
When setting selector
lever to other posi-
tions.0V
27 P/BPNP switch “2” posi-
tionWhen setting selector
lever to “2” position.Battery voltage
When setting selector
lever to other posi-
tions.0V
30** BR/Y CONSULT- II (RX) — —
31** Y/B CONSULT- II (TX) — —
34 BRPNP switch “D” posi-
tion
and When setting selector
lever to “D” and “3”
positions.Battery voltage
When setting selector
lever to other posi-
tions.0V
35 G/WPNP switch “R” posi-
tionWhen setting selector
lever to “R” position.Battery voltage
When setting selector
lever to other posi-
tions.0V
36 R/BPNP switch “N” or “P”
positionWhen setting selector
lever to “N” or “P”
position.Battery voltage
When setting selector
lever to other posi-
tions.0V

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-175
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AT

Engine Cannot Be Started in “P” and “N” PositionBCS0014A
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 PARK/NEUTRAL POSITION (PNP) SWITCH
Check for short or open of park/neutral position (PNP) switch har-
ness connector terminals. Refer to AT- 1 6 8 , "
Wiring Diagram — AT
— NONDTC" .
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK CONTROL CABLE ADJUSTMENT
Check PNP switch again with control cable disconnected from manual shaft of A/T assembly. Refer to test
group 1.
OK or NG
OK >> Adjust control cable. Refer to AT- 2 1 5 , "Adjustment of A/T Position" .
NG >> 1. Check PNP switch (Refer to test group 1.) again after adjusting PNP switch (Refer to AT- 2 3 1
Refer to AT- 2 3 0 ).
–If OK, INSPECTION END
–If NG, repair or replace PNP switch. Refer to AT- 2 3 0 , "Park/Neutral Position (PNP) Switch" .
3. CHECK STARTING SYSTEM
Check starting system. Refer to SC-14, "
STARTING SYSTEM" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Lever position Connector Terminal Continuity
“P”, “N”
F24 1 - 2Ye s
Other position No
SCIA5606E

AT-176
TROUBLE DIAGNOSIS FOR SYMPTOMS

In “P” Position, Vehicle Moves Forward or Backward When PushedBCS0014B
SYMPTOM:
Vehicle moves when it is pushed forward or backward with selector lever in “P” position.
DIAGNOSTIC PROCEDURE
1. CHECK A/T POSITION
Check A/T position. Refer to AT- 2 1 5 , "
Checking of A/T Position" .
OK or NG
OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT- 2 1 5 , "
Adjustment of A/T Position" .
2. CHECK PARKING COMPONENTS
Check parking components. Refer to AT- 2 4 6 , "
Components" and
AT- 2 5 5 , "
DISASSEMBLY" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
In “N” Position, Vehicle MovesBCS0014C
SYMPTOM:
Vehicle moves forward or backward when selecting “N” position.
DIAGNOSTIC PROCEDURE
1. CHECK A/T POSITION
Check A/T position. Refer to AT- 2 1 5 , "
Checking of A/T Position" .
OK or NG
OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT- 2 1 5 , "
Adjustment of A/T Position" .
2. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 4 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 2 4 6 , "
Components" .
2. Check A/T fluid condition. Refer to AT- 4 3 , "
A/T Fluid Condition Check" .
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
SAT282F

AT-178
TROUBLE DIAGNOSIS FOR SYMPTOMS

3. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer
to AT- 4 6 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve
3. Disassemble A/T. Refer to AT- 2 5 5 , "
Disassembly" .
4. Check the following item:
–Oil pump assembly. Refer to AT- 2 7 5 , "Oil Pump" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5. SYMPTOM CHECK
Check again. Refer to AT- 4 8 , "
Check at Idle" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 6.
6. CHECK TCM
1. Check TCM input/output signals. Refer to AT- 6 4 , "
TCM Terminals and Reference Value" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
SAT494G

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-179
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Vehicle Does Not Creep Backward in “R” PositionBCS0014E
SYMPTOM:
Vehicle does not creep backward when selecting “R” position.
DIAGNOSTIC PROCEDURE
1. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 4 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 2.
NG >> Refill ATF.
2. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “R” position. Refer to AT- 4 6 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve
3. Disassemble A/T. Refer to AT- 2 5 5 , "
Disassembly" .
4. Check the following item:
–Oil pump assembly. Refer to AT- 2 7 5 , "Oil Pump" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK STALL REVOLUTION
Check stall revolution with selector lever in “1” and “R” positions. Refer to AT- 4 3 , "
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 7.
5. DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Refer to AT- 2 5 5 , "
Disassembly" .
2. Check the following items:
–Low & reverse brake assembly. Refer to AT- 3 1 5 , "Low & Reverse Brake" .
–Reverse clutch assembly. Refer to AT- 2 9 6 , "Reverse Clutch" .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-181
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AT

Vehicle Does Not Creep Forward in “D”, “3”, “2” or “1” Position BCS0014F
SYMPTOM:
Vehicle does not creep forward when selecting “D”, “3”, “2” or “1” position.
DIAGNOSTIC PROCEDURE
1. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 4 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 2.
NG >> Refill ATF.
2. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer to AT- 4 6 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve
3. Disassemble A/T. Refer to AT- 2 5 5 , "
Disassembly" .
4. Check the following item:
–Oil pump assembly. Refer to AT- 2 7 5 , "Oil Pump" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK STALL REVOLUTION
Check stall revolution with selector lever in “D” position. Refer to AT- 4 3 , "
STALL TEST" .
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Refer to AT- 2 5 5 , "
Disassembly" .
2. Check the following items:
–Oil pump assembly. Refer to AT- 2 7 5 , "Oil Pump" .
–Forward clutch assembly. Refer to AT- 3 0 7 , "Forward and Overrun Clutches" .
–Forward one-way clutch. Refer to AT- 3 1 9 , "Rear Internal Gear, Forward Clutch Hub and Overrun Clutch
Hub" .
–Low one-way clutch. Refer to AT- 2 5 5 , "Disassembly" .
–Torque converter. Refer to AT-255, "Disassembly" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-183
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AT

4. CHECK LINE PRESSURE
Check line pressure at stall point with selector lever in “D” position. Refer to AT- 4 6 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve A
–Shift valve B
–Shift solenoid valve A
–Shift solenoid valve B
–Pilot valve
–Pilot filter
3. Disassemble A/T. Refer to AT- 2 5 5 , "
Disassembly" .
4. Check the following items:
–Forward clutch assembly. Refer to AT- 3 0 7 , "Forward and Overrun Clutches" .
–Low one-way clutch. Refer to AT- 2 5 5 , "Disassembly" .
–Forward one-way clutch. Refer to AT- 3 1 9 , "Rear Internal Gear, Forward Clutch Hub and Overrun Clutch
Hub" .
–High clutch assembly. Refer to AT- 3 0 1 , "High Clutch" .
–Torque converter. Refer to AT-255, "Disassembly" .
–Oil pump assembly. Refer to AT- 2 7 5 , "Oil Pump" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
6. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 2 4 6 , "
Components" .
2. Check A/T fluid condition. Refer to AT- 4 3 , "
A/T Fluid Condition Check" .
OK or NG
OK >> GO TO 7.
NG >> GO TO 5.
7. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve A
–Shift valve B
–Shift solenoid valve A
–Shift solenoid valve B
–Pilot valve
–Pilot filter
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damage parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-189
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3. CHECK PNP SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Read out “P·N”, “R”, “D”, “3”, “2” and “1” position switches mov-
ing selector lever to each position.
OK or NG?
OK >> GO TO 4
NG >> Check PNP switch. Refer to AT- 1 6 6 , "
PNP SWITCH" .
4. CHECK 3RD POSITION SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Read out “OVERDRIVE SW” switch moving selector lever to
each position.
OK or NG?
OK >> GO TO 5
NG >> Check 3rd position switch. Refer to AT- 1 6 6 , "
3RD POSITION SWITCH" .
Item name Condition Display value
PN POSI SWWhen setting selector
lever to “N” or “P” posi-
tion.ON
When setting selector
lever to other positions.OFF
R POSITION SWWhen setting selector
lever to “R” position.ON
When setting selector
lever to other positions.OFF
D POSITION SWWhen setting selector
lever to “D” and “3” posi-
tions.ON
When setting selector
lever to other positions.OFF
2 POSITION SWWhen setting selector
lever to “2” position.ON
When setting selector
lever to other positions.OFF
1 POSITION SWWhen setting selector
lever to “1” position.ON
When setting selector
lever to other positions.OFF
SAT701J
Item name Condition Display value
OVERDRIVE SWWhen setting selector lever to
“3” and “2” positions.ON
When setting selector lever to
other positions.OFF
SCIA4730E