2008 NISSAN TIIDA check engine

TROUBLE DIAGNOSIS
AT-73
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*1: These terminals are connected to the data link connector.
*2: These terminals are connected to the ECM.
CONSULT-III Function (A/T)INFOID:0000000001703193
CONSULT-III can display each diagnostic item using the diagnostic test models shown following.
FUNCTION
CONSULT-III REFERENCE VALUE
NOTICE:
1. The CONSULT-III electrically displays shift timing and lock-up timing (that is, operation timing of each
solenoid).
Check for time difference between actual shift timing and the CONSULT-III display. If the difference is
noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical
parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) displayed on CONSULT-III and that indicated in Service Man-
ual may differ slightly. This occurs because of the following reasons:
- Actual shift schedule has more or less tolerance or allowance,
- Shift schedule indicated in Service Manual refers to the point where shifts start, and
- Gear position displayed on CONSULT-III indicates the point where shifts are completed.
3. Shift solenoid valve “A” or “B” is displayed on CONSULT-III at the start of shifting. Gear position is dis-
played upon completion of shifting (which is computed by TCM).
39*2L Engine speed signal
and Refer to EC-102 .
40 O Vehicle speed sensorWhen driving vehicle at 2 to 3 km/h (1 to
2 MPH) for 1 m (3 ft) or more.Voltage varies
between less
than 0 V and
more than 4.5 V
42 B Sensor ground Always 0 V
47 BRA/T fluid temperature
sensor
and When A/T fluid temperature is 20°C
(68°F).1.5 V
When A/T fluid temperature is 80°C
(176°F).0.5 V
48 B Ground Always 0 V Te r m i n a lWire
colorItem ConditionJudgement stan-
dard (Approx.)
Diagnostic test mode Function
Work supportThis mode enables a technician to adjust some devices faster and more accurately by following the in-
dications on CONSULT-III.
Self-diagnostic results Self-diagnostic results can be read and erased quickly.
Data monitor Input/Output data in the TCM can be read.
CAN diagnostic support mon-
itorThe results of transmit/receive diagnosis of CAN communication can be read.
Function test Performed by CONSULT-III instead of a technician to determine whether each system is “OK” or “NG”.
DTC work support Select the operating condition to confirm Diagnostic Trouble Codes.
TCM part number TCM part number can be read.
Item name Condition Display value (Approx.)
VHCL/S SE-A/T
During drivingApproximately matches the speedometer
reading.
VHCL/S SE-MTR
THROTTLE POSIReleased accelerator pedal. 0.0/8
Fully depressed accelerator pedal. 8.0/8

TROUBLE DIAGNOSIS
AT-75
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SELF-DIAGNOSTIC RESULT MODE
After performing AT-78, "Diagnosis Procedure without CONSULT-III" , place check marks for results on the AT-
40, "How to Perform Trouble Diagnosis for Quick and Accurate Repair" . Reference pages are provided follow-
ing the items.
Display Items List
LINE PRES DTY Line pressure low ⇔ Line pressure high 0 % ⇔ 94 %
TCC S/V DUTY Lock-up OFF ⇔ Lock-up ON 4 % ⇔ 94 % Item name Condition Display value (Approx.)
Items (CONSULT-III
screen terms)Malfunction is detected when...OBD-II (DTC)
Reference
page MIL indicator
lamp*1, “EN-
GINE” with
CONSULT-III
or GST
CAN COMM CIRCUIT• When TCM is not transmitting or receiving CAN communication signal
for 2 seconds or more.U1000AT- 8 3
PNP SW/CIRC• TCM does not receive the correct voltage signal (based on the gear
position) from the switch.P0705AT- 8 6
ATF TEMP SEN/CIRC • TCM receives an excessively low or high voltage from the sensor. P0710AT- 9 1
VHCL SPEED SEN-A/T • TCM does not receive the proper voltage signal from the sensor. P0720AT- 9 6
ENGINE SPEED SIG • TCM does not receive the proper voltage signal from the ECM. P0725AT- 1 0 1
A/T 1ST GR FNCTN• A/T cannot be shifted to the 1st gear position even if electrical circuit
is good.P0731*2AT- 1 0 5
A/T 2ND GR FNCTN• A/T cannot be shifted to the 2nd gear position even if electrical circuit
is good.P0732*2AT- 1 0 8
A/T 3RD GR FNCTN• A/T cannot be shifted to the 3rd gear position even if electrical circuit
is good.P0733*2AT- 111
A/T 4TH GR FNCTN• A/T cannot be shifted to the 4th gear position even if electrical circuit
is good.P0734*2AT- 11 4
T/C CLUTCH SOL/V• TCM detects an improper voltage drop when it tries to operate the so-
lenoid valve.P0740AT- 11 9
A/T TCC S/V FNCTN • A/T cannot perform lock-up even if electrical circuit is good.
P0744*2AT- 1 2 4
LINE PRESSURE S/V• TCM detects an improper voltage drop when it tries to operate the so-
lenoid valve.P0745AT- 1 2 9
SHIFT SOLENOID/V A• TCM detects an improper voltage drop when it tries to operate the so-
lenoid valve.P0750AT- 1 3 4
SHIFT SOLENOID/V B• TCM detects an improper voltage drop when it tries to operate the so-
lenoid valve.P0755 AT- 1 3 9
OVERRUN CLUTCH S/
V• TCM detects an improper voltage drop when it tries to operate the so-
lenoid valve.P1760AT- 1 4 4
VHCL SPEED SEN-
MTR• TCM does not receive the proper voltage signal from the sensor. —AT- 1 4 9
BATT/FLUID TEMP
SEN• TCM receives an excessively low or high voltage from the sensor. —AT- 1 5 2
TURBINE SENSOR • TCM does not receive proper voltage signal from sensor. —AT- 1 5 8
CONTROL UNIT (RAM) • TCM memory (RAM) is malfunctioning. —AT- 1 6 3

TROUBLE DIAGNOSIS
AT-77
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CAN DIAGNOSTIC SUPPORT MONITOR MODE
Refer to LAN-12, "CAN Diagnostic Support Monitor".
DTC WORK SUPPORT MODE
Display Items List
*SHIFT S/V A (ON/OFF) — —
Displays status of check signal (reinput
signal) for TCM control signal output. Re-
mains unchanged when solenoid valves
are open or shorted. *SHIFT S/V B (ON/OFF) — —
*OVRRUN/C S/V (ON/OFF) — —
HOLD SW (ON/OFF) X — Not mounted but displayed.
BRAKE SW (ON/OFF) X —Stop lamp switch (Signal input with CAN
communication)
GEAR — XGear position recognized by the TCM up-
dated after gear-shifting
SLCT LVR POSI — XSelector lever position is recognized by
the TCM.
For fail-safe operation, the specific value
used for control is displayed.
VEHICLE SPEED (km/h) — X Vehicle speed recognized by the TCM.
THROTTLE POSI (0.0/8) — XDegree of opening for accelerator recog-
nized by the TCM
For fail-safe operation, the specific value
used for control is displayed.
LINE PRES DTY (%) — X
TCC S/V DUTY (%) — X
SHIFT S/V A (ON/OFF) — X
SHIFT S/V B (ON/OFF) — X
OVERRUN/C S/V (ON/OFF) — X
SELF-D DP LMP (ON/OFF) — X
TC SLIP RATIO (0.000) — —
TC SLIP SPEED (rpm) — —Difference between engine speed and
torque converter input shaft speed
Voltage (V) — —Displays the value measured by the volt-
age probe.
Frequency (Hz) — —
The value measured by the pulse probe
is displayed. DUTY-HI (high) (%) — —
DUTY-LOW (low) (%) — —
PLS WIDTH-HI (ms) — —
PLS WIDTH-LOW (ms) — —Monitored item (Unit)Monitor Item Selection
Remarks
TCM INPUT
SIGNALSMAIN SIG-
NALSSELEC-
TION FROM
MENU

TROUBLE DIAGNOSIS
AT-79
< SERVICE INFORMATION >
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4. Turn ignition switch ON. (Do not start engine.)
Does OD OFF indicator lamp come on about 2 seconds?
YES >> GO TO 2.
NO >> Stop procedure. Perform AT-176, "
OD OFF Indicator
Lamp Does Not Come On" before proceeding.
2.JUDGEMENT PROCEDURE STEP 1
1. Turn ignition switch OFF.
2. Keep pressing shift lock release button.
3. Move selector lever from “P” to “D” position.
4. Turn ignition switch ON. (Do not start engine.)
5. Keep pressing overdrive control switch while OD OFF indicator lamp is lighting up for 2 seconds. (OD
OFF indicator lamp is on.)
6. Keep pressing overdrive control switch and shift selector lever to the “2” position. (OD OFF indicator lamp
is on.)
7. Stop pressing overdrive control switch. (OD OFF indicator lamp is on.)
8. Shift selector lever to the “1” position. (OD OFF indicator lamp is on.)
9. Keep pressing overdrive control switch. (OD OFF indicator lamp is off.)
10. Depress accelerator pedal fully while pressing overdrive control switch.
>> GO TO 3.
3.CHECK SELF-DIAGNOSIS CODE
Check OD OFF indicator lamp. Refer to "Judgement of Self-diagnosis Code" .
>>DIAGNOSIS END
Judgement of Self-diagnosis Code
SCIA7140E

DTC U1000 CAN COMMUNICATION LINE
AT-85
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Diagnosis ProcedureINFOID:0000000001703200
1.CHECK CAN COMMUNICATION CIRCUIT
With CONSULT-III1. Turn ignition switch ON and start engine.
2. Select “SELF-DIAG RESULTS” mode for “A/T” with CONSULT-III.
Is any malfunction of the
“U1000 CAN COMM CIRCUIT” indicated?
YES >> Print out CONSULT-III screen, Go to LAN section. Refer to LAN-23, "CAN System Specification
Chart".
NO >>INSPECTION END

AT-86
< SERVICE INFORMATION >
DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH
DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH
DescriptionINFOID:0000000001703201
• The PNP switch assembly includes a transaxle range switch.
• The transaxle range switch detects the selector lever position and sends a signal to the TCM.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000001703202
On Board Diagnosis LogicINFOID:0000000001703203
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0705 PNP SW/CIRC” with CONSULT-III is detected when TCM does not receive
the correct voltage signal from the switch based on the gear position.
Possible CauseINFOID:0000000001703204
• Harness or connectors
[The PNP switch circuit is open or shorted.]
• PNP switch
DTC Confirmation ProcedureINFOID:0000000001703205
CAUTION:
• Always drive vehicle at a safe speed.
• If performing this “DTC Confirmation Procedure” again, always turn ignition switch OFF and wait at
least 10 seconds before continuing.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode for “A/T” with CONSULT-III.
3. Touch “START”.
4. Start engine and maintain the following conditions for at least 5 consecutive seconds.
VEHICLE SPEED: 10 km/h (6 MPH) or more
THROTTLE POSI: More than 1.0/8
SLCT LVR POSI: “D” position
5. If the check result is NG, go to AT-88, "
Diagnosis Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-III”.
Item name Condition Display value
PN POSI SWWhen setting selector lever to “N” or “P” position. 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” position. 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

AT-88
< SERVICE INFORMATION >
DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH
Diagnosis Procedure
INFOID:0000000001703207
1.CHECK INPUT SIGNAL
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-III.
3. Read out “P·N”, “R”, “D”, “2” and “1” position switches moving selector lever to each position.
OK or NG
OK >> GO TO 6.
NG >> GO TO 3.
2.CHECK INPUT SIGNAL
Without CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminals and ground
while moving selector lever through each position.
B: Battery voltage
0: 0V
OK or NG
OK >> GO TO 6.
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” positions. 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
Selector lever positionTe r m i n a l
36 35 34 27 26
P, N B0000
R 0B000
D00B00
20 00B0
1 0000B
SCIA7162E

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
AT-91
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DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
DescriptionINFOID:0000000001703209
The A/T fluid temperature sensor detects the A/T fluid temperature and sends a signal to the TCM.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000001703210
Remarks: Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000001703211
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0710 ATF TEMP SEN/CIRC” with CONSULT-III is detected when TCM receives
an excessively low or high voltage from the sensor.
Possible CauseINFOID:0000000001703212
• Harness or connector
(The sensor circuit is open or shorted.)
• A/T fluid temperature sensor
DTC Confirmation ProcedureINFOID:0000000001703213
CAUTION:
• Always drive vehicle at a safe speed.
• If performing this “DTC Confirmation Procedure” again, always turn ignition switch OFF and wait at
least 10 seconds before continuing.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MONITOR” mode for “A/T” with CONSULT-III.
2. Touch “START”.
3. Start engine and maintain the following conditions for at least 10 minutes (Total). (It is not necessary to
maintain continuously.)
ENGINE SPEED: 450 rpm or more
VEHICLE SPEED: 10 km/h (6 MPH) or more
THROTTLE POSI: More than 1.0/8
SLCT LVR POSI: “D” position
4. If the check result is NG, go to AT-92, "
Diagnosis Procedure".
WITH GST
Follow the procedure “With CONSULT-III”.
Item name Condition Display value (Approx.)
FLUID TEMP SEWhen A/T fluid temperature is 20°C (68°F). 1.5 V
When A/T fluid temperature is 80°C (176°F). 0.5 V