Connector NISSAN TEANA 2003 Workshop Manual

A/T 3RD GEAR FUNCTION
AT-145
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Diagnostic ProcedureBCS0013F
1. CHECK VALVE RESISTANCE
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
–Shift solenoid valve A
2. Check resistance between terminal cord assembly harness con-
nector terminal and ground. Refer to AT- 9 1 , "
Wiring Diagram —
AT — SSV/A" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace shift solenoid valve assembly.
2. CHECK VALVE OPERATION
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
–Shift solenoid valve A
2. Check solenoid valve by listening for its operating sound while
applying battery voltage to the terminal and ground. Refer to AT-
91, "Wiring Diagram — AT — SSV/A" .
OK or NG
OK >> GO TO 3.
NG >> Repair or replace shift solenoid valve assembly.
3. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT- 2 8 0 , "
Control Valve Assembly" .
2. Check to ensure that:
–Valve, sleeve and plug slide along valve bore under their own weight.
–Valve, sleeve and plug are free from burrs, dents and scratches.
–Control valve springs are free from damage, deformation and fatigue.
–Hydraulic line is free from obstacles.
OK or NG
OK >> GO TO 4.
NG >> Repair control valve assembly.
4. CHECK DTC
Perform AT- 1 4 4 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> Check control valve again. Repair or replace control valve assembly.
Solenoid valve Connector Terminal Resistance (Approx.)
Shift solenoid valve A F43 2 - Ground 20 - 30Ω
SCIA2049E
SCIA2052E

AT-148
A/T 4TH GEAR FUNCTION

2. CHECK LINE PRESSURE
Perform line pressure test. Refer to AT- 4 6 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 3.
NG >> GO TO 7.
3. CHECK VALVE RESISTANCE
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
–Shift solenoid valve A
–Shift solenoid valve B
2. Check resistance between terminal cord assembly harness con-
nector terminals and ground. Refer to AT- 9 1 , "
Wiring Diagram —
AT — SSV/A" and AT- 9 6 , "Wiring Diagram — AT — SSV/B" .
OK or NG
OK >> GO TO 4.
NG >> Replace solenoid valve assembly.
Solenoid valve Connector TerminalResistance
(Approx.)
Shift solenoid valve A
F432 - Ground 20 - 30Ω
Shift solenoid valve B 1 - Ground 5 - 20Ω
SCIA3594E

AT-150
A/T 4TH GEAR FUNCTION

7. CHECK VALVE RESISTANCE
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
–Line pressure solenoid valve
2. Check resistance between terminal cord assembly harness con-
nector terminal and ground. Refer to AT- 1 2 7 , "
Wiring Diagram
— AT — LPSV" .
OK or NG
OK >> GO TO 8.
NG >> Replace solenoid valve assembly.
8. CHECK VALVE OPERATION
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
–Line pressure solenoid valve
2. Check solenoid valve by listening for its operating sound while
applying battery voltage to the terminal and ground. Refer to AT-
127, "Wiring Diagram — AT — LPSV" .
OK or NG
OK >> GO TO 9.
NG >> Replace solenoid valve assembly.
9. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT- 2 8 0 , "
Control Valve Assembly" .
2. Check line pressure circuit valves for sticking.
–Pilot valve
–Shift solenoid valve A
–Shift solenoid valve B
OK or NG
OK >> GO TO 10.
NG >> Repair or replace control valve.
10. CHECK SHIFT-UP (D3 TO D4 )
During AT- 5 0 , "
Cruise Test — Part 1" .
Does A/T shift from D
3 to D4 at the specified speed?
YES >> GO TO 11.
NO >> Check control valve again. Repair or replace control valve assembly.
11 . CHECK DTC
Perform AT- 1 4 7 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> Perform AT- 5 0 , "
Cruise Test — Part 1" again and return to the start point of this test group.
Solenoid valve Connector TerminalResistance
(Approx.)
Line pressure solenoid valve F43 4 - Ground 2.5 - 5Ω
SCIA4951E
SCIA3275E

A/T TCC S/V FUNCTION (LOCK-UP)
AT-153
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3. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT- 2 8 0 , "
Control Valve Assembly" .
2. Check to ensure that:
–Valve, sleeve and plug slide along valve bore under their own weight.
–Valve, sleeve and plug are free from burrs, dents and scratches.
–Control valve springs are free from damage, deformation and fatigue.
–Hydraulic line is free from obstacles.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace control valve.
4. CHECK SHIFT-UP (D3 TO D4 )
During AT- 5 0 , "
Cruise Test — Part 1" .
Does A/T shift from D
3 to D4 at the specified speed?
YES >> GO TO 5.
NO >> Check control valve again. Repair or replace control valve assembly.
5. CHECK DTC
Perform AT- 1 5 2 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 11. Check for proper lock-up.
6. CHECK VALVE RESISTANCE
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
–Line pressure solenoid valve
2. Check resistance between terminal cord assembly harness con-
nector terminal and ground. Refer to AT- 1 2 7 , "
Wiring Diagram
— AT — LPSV" .
OK or NG
OK >> GO TO 7.
NG >> Replace solenoid valve assembly.
7. CHECK VALVE OPERATION
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
–Line pressure solenoid valve
2. Check solenoid valve by listening for its operating sound while
applying battery voltage to the terminal and ground. Refer to AT-
127, "Wiring Diagram — AT — LPSV" .
OK or NG
OK >> GO TO 8.
NG >> Replace solenoid valve assembly.
Solenoid valve Connector TerminalResistance
(Approx.)
Line pressure solenoid valve F43 4 - Ground 2.5 - 5Ω
SCIA4951E
SCIA3275E

AT-154
A/T TCC S/V FUNCTION (LOCK-UP)

8. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT- 2 8 0 , "
Control Valve Assembly" .
2. Check line pressure circuit valves for sticking.
–Pressure regulator valve
–Pilot valve
–Pressure modifier valve
OK or NG
OK >> GO TO 9.
NG >> Repair or replace control valve.
9. CHECK SHIFT-UP (D3 TO D4 )
During AT- 5 0 , "
Cruise Test — Part 1" .
Does A/T shift from D
3 to D4 at the specified speed?
YES >> GO TO 10.
NO >> Check control valve again. Repair or replace control valve assembly.
10. CHECK DTC
Perform AT- 1 5 2 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 11.
11 . CHECK LOCK-UP
During AT- 5 0 , "
Cruise Test — Part 1" .
A/T perform lock-up at the specified speed?
YES >> Perform AT- 5 0 , "Cruise Test — Part 1" again and return to the start point of this test group.
NO >> GO TO 12.
12. CHECK VALVE RESISTANCE
1. Remove control valve assembly. Refer to AT- 2 2 5 , "
Control Valve Assembly and Accumulators" .
–Torque converter clutch solenoid valve
2. Check resistance between terminal cord assembly harness con-
nector terminal and ground. Refer to AT- 1 0 6 , "
Wiring Diagram
— AT — TCV" .
OK or NG
OK >> GO TO 13.
NG >> Replace solenoid valve assembly.
Solenoid valve Connector TerminalResistance
(Approx.)
Torque converter clutch solenoid valve F43 5 - Ground 5 - 20Ω
SCIA2063E

AT-156
CONTROL UNIT (RAM)

CONTROL UNIT (RAM)PFP:31036
DescriptionBCS0013Q
TCM consists of a microcomputer and connectors for signal input
and output and for power supply. The unit controls A/T.
On Board Diagnosis LogicBCS0013R
Diagnostic trouble code “CONTROL UNIT (RAM)” with CONSULT-II is detected when TCM memory RAM is
malfunctioning.
Possible CauseBCS0013S
TCM.
DTC Confirmation ProcedureBCS0013T
CAUTION:
If performing this “DTC Confirmation Procedure” again, always turn ignition switch OFF and wait at
least 10 seconds before continuing.
WITH CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode for “A/T” with CONSULT-II.
3. Start engine.
4. Run engine for at least 2 seconds at idle speed.
5. If DTC is detected, go to AT- 1 5 6 , "
Diagnostic Procedure" .
Diagnostic ProcedureBCS0013U
1. CHECK DTC
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode for “A/T” with CONSULT-II.
3. Touch “ERASE”.
4. Perform AT- 1 5 6 , "
DTC Confirmation Procedure" .
Is the
“CONTROL UNIT (RAM)” displayed again?
YES >> Replace TCM.
NO >>INSPECTION END
SAT574J
BCIA0031E

CONTROL UNIT (ROM)
AT-157
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CONTROL UNIT (ROM)PFP:31036
DescriptionBCS0013V
TCM consists of a microcomputer and connectors for signal input
and output and for power supply. The unit controls A/T.
On Board Diagnosis LogicBCS0013W
Diagnostic trouble code “CONTROL UNIT (ROM)” with CONSULT-II is detected when TCM memory ROM is
malfunctioning.
Possible CauseBCS0013X
TCM.
DTC Confirmation ProcedureBCS0013Y
CAUTION:
If performing this “DTC Confirmation Procedure” again, always turn ignition switch OFF and wait at
least 10 seconds before continuing.
WITH CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode for “A/T” with CONSULT-II.
3. Start engine.
4. Run engine for at least 2 seconds at idle speed.
5. If DTC is detected, go to AT- 1 5 7 , "
Diagnostic Procedure" .
Diagnostic ProcedureBCS0013Z
1. CHECK DTC
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode for “A/T” with CONSULT-II.
3. Touch “ERASE”.
4. Perform AT- 1 5 7 , "
DTC Confirmation Procedure" .
Is the
“CONTROL UNIT (ROM)” displayed again?
YES >> Replace TCM.
NO >>INSPECTION END
SAT574J
BCIA0031E

MAIN POWER SUPPLY AND GROUND CIRCUIT
AT-159
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Data are reference value and are measured between each terminal and ground.
Diagnostic ProcedureBCS0026M
1. CHECK TCM POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminals and ground.
3. Turn ignition switch OFF.
4. Check voltage between TCM connector terminals and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. DETECT MALFUNCTIONING ITEM
Check the following items:

Harness for short or open between ignition switch and TCM connector terminals 10, 19

Harness for short or open between battery and TCM connector terminal 28

10A fuse (No.17, located in the fuse block) and 10A fuse (No83, located in the IPDM E/R)

Ignition switch. Refer to PG-3, "POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
Te r m i -
nalWire color Item ConditionJudgement stan-
dard
(Approx.)
10 Y Power source
or When turning ignition switch ON. Battery voltage
When turning ignition switch OFF. 0 V
19 Y Power sourceWhen turning ignition switch ON. Battery voltage
When turning ignition switch OFF. 0 V
25 B Ground Always 0 V
28 Y/RPower source
(Memory back-up)Always Battery voltage
48 B Ground Always 0 V
ItemConnec-
torTerminal Judgement standard (Approx.)
TCM connectorF10410
Battery voltage 19
F105 28
SCIA2656E
ItemConnec-
torTerminal Judgement standard (Approx.)
TCM connectorF10410 0V
19 0V
F105 28 Battery voltage
SCIA2657E

AT-160
MAIN POWER SUPPLY AND GROUND CIRCUIT

3. CHECK TCM GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check continuity between TCM connector terminal and ground.
OK or NG
OK >>INSPECTION END.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
ItemConnec-
torTerminal Continuity
TCM connector F10525, 48 -
GroundYe s
SCIA2671E

PNP, 3RD POSITION SWITCH AND CLOSED THROTTLE, WIDE OPEN THROT-
TLE POSITION SIGNAL
AT-163
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3. CHECK PNP SWITCH CIRCUIT (WITHOUT CONSULT-II)
Without CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector F105 terminals and
ground while moving selector lever through each position. Refer
to AT- 1 6 8 , "
Wiring Diagram — AT — NONDTC" .
B: Battery voltage
0: 0V
OK or NG
OK >> GO TO 7.
NG >> GO TO 4.
4. CHECK PNP SWITCH
Check PNP switch. Refer to AT- 1 6 6 , "
PNP SWITCH" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5. DETECT MALFUNCTIONING ITEM
Check the following items:

Harness for short or open between ignition switch and PNP switch.

Harness for short or open between PNP switch and TCM.

Harness for short or open between unified meter and A/C amp and PNP switch.

Harness for short or open between unified meter and A/C amp and TCM.

10A fuse (No.14, located in the fuse block)

Unified meter and A/C amp. Refer to DI-27, "UNIFIED METER AND A/C AMP" .

Ignition switch. Refer to PG-3, "POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
Lever positionTerminal
36 35 34 27 26
“P”, “N” B 0 0 0 0
“R” 0 B 0 0 0
“D”·“3” 0 0 B 0 0
“2” 0 0 0 B 0
“1” 0 0 0 0 B
SCIA4343E