INFINITI FX35 2008 Service Manual

AT-98
< SERVICE INFORMATION >
DTC P0615 START SIGNAL CIRCUIT
Wiring Diagram - AT - STSIG
INFOID:0000000001327176
TCM terminals and data are re ference value. Measured betwe en each terminal and ground.
TCWM0247E
Te r m i n a lWire
color Item Condition Data (Approx.)
9 GY Starter relay Selector lever in “N” and “P
” positions. Battery voltage
Selector lever in other positions. 0 V
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DTC P0615 START SIGNAL CIRCUITAT-99
< SERVICE INFORMATION >
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Diagnosis ProcedureINFOID:0000000001327177
1.CHECK STARTER RELAY
With CONSULT-III
1. Turn ignition switch ON.
2. Select “SELECTION FROM MENU” in “DATA MONI TOR” mode for “TRANSMISSION” with CONSULT-III
and check monitor “STARTER RELAY” ON/OFF.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check voltage between the IPDM E/R connector and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
2. CHECK HARNESS BETWEEN A/T ASSEMBLY HA RNESS CONNECTOR AND IPDM E/R CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect A/T assembly harness connector and IPDM E/R connector.
3. Check continuity between A/T assembly harness connector and IPDM E/R connector.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK TERMINAL CORD ASSEMBLY
1. Remove control valve with TCM. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature
Sensor 2".
2. Disconnect A/T assembly harness connector and TCM connector.
Item name Condition Display value
STARTER RELAY Selector lever in “N
” and “P” positions. ON
Selector lever in other positions. OFF
Name Connector Terminal Shift position Voltage (Approx.)
Starter re-
lay E9 53 - Ground “N” and “P” Battery voltage
“R” and “D” 0 V
SCIA2103E
Item Connector Terminal Continuity
A/T assembly harness con-
nector F44 9
Ye s
IPDM E/R connector E9 53
SCIA5439E
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AT-100
< SERVICE INFORMATION >
DTC P0615 START SIGNAL CIRCUIT
3. Check continuity between A/T assembly harness connector ter-minal and TCM connector terminal.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG
OK >> GO TO 4.
NG >> Replace open circuit or short to ground and short to power in harness or connectors.
4.DETECT MALFUNCTIONING ITEM
Check the following.
 Starter relay, Refer to SC-8
.
 IPDM E/R, Refer to PG-17
.
OK or NG
OK >> Replace the control valve with TCM. Refer to AT-215, "Control Valve with TCM and A/T Fluid Tem-
perature Sensor 2".
NG >> Repair or replace damaged parts.
5.CHECK DTC
Perform AT-97, "
DTC Confirmation Procedure".
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
Item Connector Terminal Continuity
A/T assembly harness con-
nector F44 9
Ye s
TCM connector F502 8
SCIA5440E
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DTC P0700 TCMAT-101
< SERVICE INFORMATION >
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DTC P0700 TCM
DescriptionINFOID:0000000001327178
The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The
TCM controls the A/T.
On Board Diagnosis LogicINFOID:0000000001327179
Diagnostic trouble code “P0700 TCM” with CONSULT-II I is detected when TCM is malfunctioning.
Possible CauseINFOID:0000000001327180
TCM.
DTC Confirmation ProcedureINFOID:0000000001327181
NOTE:
If “DTC Confirmation Procedure” has been previously performed, alw ays turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON.
2. Select “ECU INPUT SIGNALS” or “MAIN SIGNAL S” in “DATA MONITOR” mode for “TRANSMISSION”
with CONSULT-III.
3. Touch “START”.
4. Start engine.
5. Run engine for at least 2 cons ecutive seconds at idle speed.
6. If DTC is detected, go to AT-101, "
Diagnosis Procedure".
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis ProcedureINFOID:0000000001327182
1.CHECK DTC
With CONSULT-III
1. Turn ignition switch ON.
2. Select “SELF DIAG RESULTS” mode fo r “TRANSMISSION” with CONSULT-III.
3. Touch “ERASE”.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Perform AT-101, "
DTC Confirmation Procedure".
Is the
“P0700 TCM” displayed again?
YES >> Replace the control valve with TCM. Refer to AT-215, "Control Valve with TCM and A/T Fluid Tem-
perature Sensor 2".
NO >> INSPECTION END
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AT-102
< SERVICE INFORMATION >
DTC P0705 PARK/NEUTRAL POSITION SWITCH
DTC P0705 PARK/NEUTRAL POSITION SWITCH
DescriptionINFOID:0000000001327183
 The PNP switch includes a transmission range switch.
 The transmission range switch detects the selector lever position and sends a signal to the TCM.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000001327184
On Board Diagnosis LogicINFOID:0000000001327185
Diagnostic trouble code “P0705 PNP SW/CIRC” with CONS ULT-III or 9th judgement flicker without CON-
SULT-III is detected under the following conditions.
 When TCM does not receive the correct voltage signal from the PNP switches 1, 2, 3 and 4 based on the
gear position.
 When no other position but “P” position is detected from “N” position.
Possible CauseINFOID:0000000001327186
 Harness or connectors (PNP switches 1, 2, 3 and 4 and TCM circuit is open or shorted.)
 PNP switches 1, 2, 3 and 4
DTC Confirmation ProcedureINFOID:0000000001327187
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, alw ays turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following proc edure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON.
2. Select “ECU INPUT SIGNALS” or “MAIN SIGNAL S” in “DATA MONITOR” mode for “TRANSMISSION”
with CONSULT-III.
3. Touch “START”.
4. Start engine.
5. Drive vehicle and maintain the following conditions for at least 2 consecutive seconds. ACCELE POSI: More than 1.0/8
6. If DTC is detected, go to AT-103, "
Diagnosis Procedure".
WITH GST
Follow the procedure “WITH CONSULT-III”.
Item name Condition Display value
SLCT LVR POSI Selector lever in “N”
and “P” positions. N/P
Selector lever in “R” position. R
Selector lever in “D” position. D
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DTC P0705 PARK/NEUTRAL POSITION SWITCHAT-103
< SERVICE INFORMATION >
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Wiring Diagram - AT - PNP/SWINFOID:0000000001327188
Diagnosis ProcedureINFOID:0000000001327189
1.CHECK PNP SW CIRCUIT
With CONSULT-III
1. Turn ignition switch ON.
TCWM0248E
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AT-104
< SERVICE INFORMATION >
DTC P0705 PARK/NEUTRAL POSITION SWITCH
2. Select “SELECTION FROM MENU” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Check if correct selector lever position (N/P, R or D) is displayed as selector lever is moved into each posi-
tion.
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
2.CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to AT-160
.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
3.DETECT MALFUNCTIONING ITEM
Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4.CHECK SUB-HARNESS
1. Remove control valve with TCM. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature
Sensor 2".
2. Disconnect park/neutral position switch connector and TCM connector.
3. Check continuity between park/neutral position switch connector terminals and TCM connector terminals.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG
OK >> Replace the control valve with TCM. Refer to AT-215, "Control Valve with TCM and A/T Fluid Tem-
perature Sensor 2".
NG >> Replace open circuit or short to ground and short to power in harness or connectors.
5.CHECK DTC
Perform AT-102, "
DTC Confirmation Procedure".
OK or NG
Item name Condition Display value
SLCT LVR POSI Selector lever in “N” and “P” positions. N/P
Selector lever in “R” position. R
Selector lever in “D” position. D
Item Connector Terminal Continuity
Park/neutral position switch
connector F505 1
Ye s
TCM connector F503 13
Park/neutral position switch
connector F505 2
Ye s
TCM connector F503 11
Park/neutral position switch
connector F505 3
Ye s
TCM connector F503 12
Park/neutral position switch
connector F505 5
Ye s
TCM connector F503 14
SCIA5457E
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DTC P0705 PARK/NEUTRAL POSITION SWITCHAT-105
< SERVICE INFORMATION >
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OK >> INSPECTION END
NG >> GO TO 2.
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AT-106
< SERVICE INFORMATION >
DTC P0717 TURBINE REVOLUTION SENSOR
DTC P0717 TURBINE REVOLUTION SENSOR
DescriptionINFOID:0000000001327190
The turbine revolution sensor detects input shaft rpm (revolutions per minute). It is located on the input side of
the automatic transmission. Monitors revolution of sensor 1 and sensor 2 for non-standard conditions.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000001327191
On Board Diagnosis LogicINFOID:0000000001327192
Diagnostic trouble code “P0717 TURBINE REV S/CIRC” with CONSULT-III or 11th judgement flicker without
CONSULT-III is detected under the following conditions.
 When TCM does not receive the proper voltage signal from the sensor.
 When TCM detects an irregularity only at position of 4th gear for turbine revolution sensor 2.
Possible CauseINFOID:0000000001327193
 Harness or connectors
(Sensor circuit is open or shorted.)
 Turbine revolution sensor 1 and/or 2
DTC Confirmation ProcedureINFOID:0000000001327194
CAUTION:
 Always drive vehicle at a safe speed.
 Be careful not to rev engine into the red zone on the tachometer.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, alw ays turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following proc edure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON.
2. Select “SELECTION FROM MENU” in “DATA MONI TOR” mode for “TRANSMISSION” with CONSULT-III
and check monitor “VHCL/S SE-A/T”, “ENGINE SPE ED”, “ACCELE POSI”, “SLCT LVR POSI” and
“GEAR”.
3. Touch “START”.
4. Start engine and maintain the following conditions for at least 5 consecutive seconds. VHCL/S SE-A/T: 40 km/h (25 MPH) or more
ENGINE SPEED: 1,500 rpm or more
ACCELE POSI: More than 0.5/8
SLCT LVR POSI: “D” position
GEAR (Turbine revolution sensor 1): “4” or “5” position
GEAR (Turbine revolution sensor 2): All positions
Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving
conditions required for this test.
5. If DTC is detected, go to AT-106, "
Diagnosis Procedure".
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis ProcedureINFOID:0000000001327195
1.CHECK INPUT SIGNAL
With CONSULT-III
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONI TOR” mode for “TRANSMISSION” with CONSULT-III.
Item name Condition Display value
TURBINE REV During driving (lock-up ON) Approximately matches the engine speed.
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DTC P0717 TURBINE REVOLUTION SENSORAT-107
< SERVICE INFORMATION >
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3. Vehicle start and read out the value of “TURBINE REV”.
OK or NG
OK >> GO TO 4.
NG >> GO TO 2.
2.CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to AT-160
.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
3.DETECT MALFUNCTIONING ITEM
Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> Replace the control valve with TCM. Refer to AT-215, "Control Valve with TCM and A/T Fluid Tem-
perature Sensor 2".
NG >> Repair or replace damaged parts.
4.CHECK DTC
Perform AT-106, "
DTC Confirmation Procedure".
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
Item name Condition Display value (rpm)
TURBINE REV During driving (lock-up ON) Approximately matches the engine speed.
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