Starter INFINITI M35 2007 Factory Service Manual

INDEX FOR DTC
AT-5
D
E
F
G
H
I
J
K
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MA
B
AT
Revision: 2007 April2007 M35/M45
INDEX FOR DTCPFP:00024
Alphabetical Index NCS001JA
NOTE:
If DTC “U1000” is displayed with other DTC, first perform the trouble diagnosis for “DTC U1000 CAN
COMMUNICATION LINE”. Refer to AT- 1 0 5
.
*1: These numbers are prescribed by SAE J2012.
*2: For VQ35DE engine.Items
(CONSULT-II screen terms)DTC
Reference page OBD-II Except OBD-II
CONSULT-II
GST (*1) CONSULT-II only “A/T”
A/T 1ST E/BRAKING — P1731AT-145
ATF PRES SW 1/CIRC — P1841AT-172
ATF PRES SW 3/CIRC — P1843AT-174
ATF PRES SW 5/CIRC — P1845AT-176
ATF PRES SW 6/CIRC — P1846AT-178
A/T INTERLOCK P1730 P1730AT-142
A/T TCC S/V FNCTN P0744 P0744 AT-128
ATF TEMP SEN/CIRC P0710 P1710AT-135
CAN COMM CIRCUIT U1000 U1000AT-105
D/C SOLENOID/CIRC P1762 P1762AT-155
D/C SOLENOID FNCTN P1764 P1764 AT-157
ENGINE SPEED SIG P0725 (*2) P0725AT-124
FR/B SOLENOID/CIRC P1757 P1757AT-151
FR/B SOLENOID FNCT P1759 P1759 AT-153
HLR/C SOL/CIRC P1767 P1767AT-159
HLR/C SOL FNCTN P1769 P1769 AT-161
I/C SOLENOID/CIRC P1752 P1752AT-147
I/C SOLENOID FNCTN P1754 P1754 AT-149
L/PRESS SOL/CIRC P0745 P0745AT-130
LC/B SOLENOID/CIRC P1772 P1772AT-163
LC/B SOLENOID FNCT P1774 P1774 AT-165
MANU MODE SW/CIRC — P1815AT-167
PNP SW/CIRC P0705 P0705AT- 11 3
STARTER RELAY/CIRC — P0615AT-108
TCC SOLENOID/CIRC P0740 P0740AT-126
TCM P0700 P0700AT- 11 2
TP SEN/CIRC A/T P1705 (*2) P1705AT-132
TURBINE REV S/CIRC P0717 P0717AT- 11 7
VEH SPD SE/CIR·MTR — P1721AT-140
VEH SPD SEN/CIR AT P0720 P0720AT- 11 9

AT-6
INDEX FOR DTC
Revision: 2007 April2007 M35/M45
DTC No. Index NCS001JB
NOTE:
If DTC “U1000” is displayed with other DTC, first perform the trouble diagnosis for “DTC U1000 CAN
COMMUNICATION LINE”. Refer to AT- 1 0 5
.
*1: These numbers are prescribed by SAE J2012.
*2: For VQ35DE engine.DTC
Items
(CONSULT-II screen terms)Reference page OBD-II Except OBD-II
CONSULT-II
GST (*1)CONSULT-II
only “A/T”
— P0615 STARTER RELAY/CIRCAT- 1 0 8
P0700 P0700 TCMAT- 11 2
P0705 P0705 PNP SW/CIRCAT- 11 3
P0710 P1710 ATF TEMP SEN/CIRCAT- 1 3 5
P0717 P0717 TURBINE REV S/CIRCAT- 11 7
P0720 P0720 VEH SPD SEN/CIR ATAT- 11 9
P0725 (*2) P0725 ENGINE SPEED SIGAT- 1 2 4
P0740 P0740 TCC SOLENOID/CIRCAT- 1 2 6
P0744 P0744 A/T TCC S/V FNCTNAT- 1 2 8
P0745 P0745 L/PRESS SOL/CIRCAT- 1 3 0
P1705 (*2) P1705 TP SEN/CIRC A/TAT- 1 3 2
— P1721 VEH SPD SE/CIR·MTRAT- 1 4 0
P1730 P1730 A/T INTERLOCKAT- 1 4 2
— P1731 A/T 1ST E/BRAKINGAT- 1 4 5
P1752 P1752 I/C SOLENOID/CIRCAT- 1 4 7
P1754 P1754 I/C SOLENOID FNCTNAT- 1 4 9
P1757 P1757 FR/B SOLENOID/CIRCAT- 1 5 1
P1759 P1759 FR/B SOLENOID FNCTAT- 1 5 3
P1762 P1762 D/C SOLENOID/CIRCAT- 1 5 5
P1764 P1764 D/C SOLENOID FNCTNAT- 1 5 7
P1767 P1767 HLR/C SOL/CIRCAT- 1 5 9
P1769 P1769 HLR/C SOL FNCTNAT- 1 6 1
P1772 P1772 LC/B SOLENOID/CIRCAT- 1 6 3
P1774 P1774 LC/B SOLENOID FNCTAT- 1 6 5
— P1815 MANU MODE SW/CIRCAT- 1 6 7
— P1841 ATF PRES SW 1/CIRCAT- 1 7 2
— P1843 ATF PRES SW 3/CIRCAT- 1 7 4
— P1845 ATF PRES SW 5/CIRCAT- 1 7 6
— P1846 ATF PRES SW 6/CIRCAT- 1 7 8
U1000 U1000 CAN COMM CIRCUITAT- 1 0 5

AT-32
A/T CONTROL SYSTEM
Revision: 2007 April2007 M35/M45
CAN CommunicationNCS001JQ
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only. Refer to LAN-50, "
CAN Sys-
tem Specification Chart" .
Input/Output Signal of TCMNCS001JR
*1: Spare for vehicle speed sensor·A/T (revolution sensor)
*2: Spare for accelerator pedal position signal
*3: If these input and output signals are different, the TCM triggers the fail-safe function.
*4: Used as a condition for starting self-diagnostics; if self-diagnostics are not started, it is judged that there is some kind of error.
*5: Input by CAN communications.
*6: Output by CAN communications.Control itemLine
pressure
controlVehicle
speed
controlShift
controlLock-up
controlEngine
brake
controlFail-safe
function
(*3)Self-diag-
nostics
function
InputAccelerator pedal position signal
(*5)XXXXXXX
Vehicle speed sensor A/T
(revolution sensor)XXXXXXX
Vehicle speed sensor MTR
(*1) (*5)X
Closed throttle position signal
(*5)X(*2) X X X X(*4)
Wide open throttle position signal
(*5)XX(*4)
Turbine revolution sensor 1 X X X X X
Turbine revolution sensor 2
(for 4th speed only)X XXXX
Engine speed signals
(*5)XXXXXXX
Stop lamp switch signal
(*5)XXX X(*4)
A/T fluid temperature sensors 1, 2XXXX XX
ASCD or ICC
sensor inte-
grated unitOperation signal
(*5)XXX
Overdrive cancel
signal
(*5)X
Out-
putDirect clutch solenoid
(ATF pressure switch 5)XX XX
Input clutch solenoid
(ATF pressure switch 3)XX XX
High and low reverse clutch solenoid
(ATF pressure switch 6)XX XX
Front brake solenoid
(ATF pressure switch 1)XX XX
Low coast brake solenoid
(ATF pressure switch 2)XX XXX
Line pressure solenoidXXXXXXX
TCC solenoid X X X
Self-diagnostics table
(*6)X
Starter relayXX

AT-44
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
TROUBLE DIAGNOSISPFP:00004
DTC Inspection Priority ChartNCS001K2
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
NOTE:
If DTC “U1000” is displayed with other DTC, first perform the trouble diagnosis for “DTC U1000 CAN
COMMUNICATION LINE”. Refer to AT- 1 0 5
.
Fail-safeNCS001K3
The TCM has an electrical fail-safe mode. This mode makes it possible to operate even if there is an error in a
main electronic control input/output signal circuit.
In fail-safe mode, even if the selector lever is “D” or “M” mode, the A/T is fixed in 2nd, 4th and 5th (depending
on the breakdown position), so the customer should feel “slipping” or “poor acceleration”.
Even when the electronic circuits are normal, under special conditions (for example, when slamming on the
brake with the wheels spinning drastically and stopping the tire rotation), the A/T can go into fail-safe mode. If
this happens, switch OFF the ignition switch for 10 seconds, then switch it ON again to return to the normal
shift pattern. Therefore, the customer's vehicle has returned to normal, so handle according to the “WORK
FLOW” (Refer to AT- 4 7
).
FAIL-SAFE FUNCTION
If any malfunction occurs in a sensor or solenoid, this function controls the A/T to mark driving possible.
Vehicle Speed Sensor

Signals are input from two systems - from vehicle speed sensor A/T (revolution sensor) installed on the A/
T and from combination meter so normal driving is possible even if there is a malfunction in one of the
systems. And if vehicle speed sensor A/T (revolution sensor) has unusual cases, 5th gear and manual
mode are prohibited.
Accelerator Pedal Position Sensor

If there is a malfunction in one of the systems, the accelerator opening angle is controlled by ECM accord-
ing to a pre-determined accelerator angle to make driving possible. And if there are malfunctions in tow
systems, the engine speed is fixed by ECM to a pre-determined engine speed to make driving possible.
Throttle Position Sensor

If there is a malfunction in one of the systems, the accelerator opening angle is controlled by ECM accord-
ing to a pre-determined accelerator angle to make driving possible. And if there are malfunctions in tow
systems, the accelerator opening angle is controlled by the idle signal sent from the ECM which is based
on input indicating either idle condition or off-idle condition (pre-determined accelerator opening) in order
to make driving possible.
PNP Switch

In the unlikely event that a malfunction signal enters the TCM, the position indicator is switched OFF, the
starter relay is switched OFF (starter starting is disabled), the back-up lamp relay switched OFF (back-up
lamp is OFF) and the position is fixed to the “D” position to make driving possible.
Starter Relay

The starter relay is switched OFF. (Starter starting is disabled.)
Priority Detected items (DTC)
1 U1000 CAN communication line
2 Except above

AT-88
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
68
OthersEngine does not start
in “N” or “P” position.
Refer to AT-190, "Engine Cannot Be
Started in “P” or “N”
Position" .ON vehicle1. Push-button ignition switch and starterPG-3
, SC-
8
2. A/T positionAT- 2 2 7
3. PNP switchAT- 11 3
69Engine starts in posi-
tions other than “N” or
“P”.ON vehicle1. Push-button ignition switch and starterPG-3
, SC-
8
2. A/T positionAT- 2 2 7
3. PNP switchAT- 11 3
70 Engine stall.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Engine speed signalAT- 1 2 4
3. Turbine revolution sensorAT- 11 7
4. Torque converter clutch solenoid valveAT- 1 2 6
5. CAN communication lineAT- 1 0 5
6. Control valve with TCMAT- 2 3 6
OFF vehicle 7. Torque converterAT- 3 0 1
71Engine stalls when
selector lever shifted
“N” → “D”or “R”.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Engine speed signalAT- 1 2 4
3. Turbine revolution sensorAT- 11 7
4. Torque converter clutch solenoid valveAT- 1 2 6
5. CAN communication lineAT- 1 0 5
6. Control valve with TCMAT- 2 3 6
OFF vehicle 7. Torque converterAT- 3 0 1
72Engine speed does
not return to idle.
Refer to AT-212,
"Engine Speed Does
Not Return to Idle" .ON vehicle1. A/T fluid level and stateAT- 5 3
2. ATF pressure switch 5 and direct clutch solenoid valveAT- 1 7 6,
AT- 1 5 5

3. ATF pressure switch 1 and front brake solenoid valveAT- 1 7 2
,
AT- 1 5 1
4. Accelerator pedal position sensorAT- 1 3 2
5. Vehicle speed sensor·A/T and vehicle speed sensor·MTRAT- 11 9,
AT- 1 4 0
6. CAN communication lineAT- 1 0 5
7. Control valve with TCMAT- 2 3 6
OFF vehicle8. Front brake (brake band)AT- 3 0 19. Direct clutchAT- 3 4 1
No. Item Symptom Condition Diagnostic ItemReference
page

TROUBLE DIAGNOSIS
AT-89
D
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K
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MA
B
AT
Revision: 2007 April2007 M35/M45
TCM Input/Output Signal Reference ValuesNCS001KG
A/T ASSEMBLY HARNESS CONNECTOR TERMINAL LAYOUT
TCM INSPECTION TABLE
Data are reference value and are measured between each terminal and ground.
SCIA1658E
TerminalWire
colorItem Condition Data (Approx.)
1R/WPower supply
(Memory back-up)Always Battery voltage
2R/WPower supply
(Memory back-up)Always Battery voltage
3 L CAN-H – –
4VK-line (CONSULT-
II signal)The terminal is connected to the data link connector for CONSULT-II. –
5 B Ground Always 0 V
6 Y/R Power supply– Battery voltage
–0 V
7R/LBack-up lamp
relaySelector lever in “R” position. 0 V
Selector lever in other positions. Battery voltage
8 P CAN-L – –
9GR/RStarter relaySelector lever in “N”, “P” positions. Battery voltage
Selector lever in “R”, “D” positions. 0 V
10 B Ground Always 0 V

TROUBLE DIAGNOSIS
AT-91
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Revision: 2007 April2007 M35/M45
FR/B SOLENOIDFront brake engaged. Refer to AT- 2 1 . 0.6 - 0.8 A
Front brake disengaged. Refer to AT- 2 1
. 0 - 0.05 A
I/C SOLENOIDInput clutch disengaged. Refer to AT- 2 1
. 0.6 - 0.8 A
Input clutch engaged. Refer to AT- 2 1
. 0 - 0.05 A
D/C SOLENOIDDirect clutch disengaged. Refer to AT- 2 1
. 0.6 - 0.8 A
Direct clutch engaged. Refer to AT- 2 1
. 0 - 0.05 A
HLR/C SOLHigh and low reverse clutch disengaged. Refer to AT- 2 1
. 0.6 - 0.8 A
High and low reverse clutch engaged. Refer to AT- 2 1
. 0 - 0.05 A
STARTER RELAYSelector lever in “N”, “P” positions. ON
Selector lever in “R”, “D” positions. OFF
SLCT LVR POSISelector lever in “N”, “P” positions. N/P
Selector lever in “R” position. R
Selector lever in “D” position. D
ON OFF SOLLow coast brake engaged. Refer to AT- 2 1
.ON
Low coast brake disengaged. Refer to AT- 2 1
.OFF
ATF PRES SW 1Front brake engaged. Refer to AT- 2 1
.ON
Front brake disengaged. Refer to AT- 2 1
.OFF
ATF PRES SW 2Low coast brake engaged. Refer to AT- 2 1
.ON
Low coast brake disengaged. Refer to AT- 2 1
.OFF
ATF PRES SW 3Input clutch engaged. Refer to AT- 2 1
.ON
Input clutch disengaged. Refer to AT- 2 1
.OFF
ATF PRES SW 5Direct clutch engaged. Refer to AT- 2 1
.ON
Direct clutch disengaged. Refer to AT- 2 1
.OFF
ATF PRES SW 6High and low reverse clutch engaged. Refer to AT- 2 1
.ON
High and low reverse clutch disengaged Refer to AT- 2 1
.OFF
MANU MODE SWManual shift gate position (neutral) ON
Other than the above OFF
NON M-MODE SWManual shift gate position OFF
Other than the above ON
UP SW LEVERSelector lever: + side ON
Other than the above OFF
DOWN SW LEVERSelector lever: - side ON
Other than the above OFF
GEAR During driving 1, 2, 3, 4, 5Item name Condition Display value
(Approx.)

AT-92
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
CONSULT-II SETTING PROCEDURE
Refer to GI-38, "CONSULT-II Start Procedure" .
SELF-DIAGNOSTIC RESULT MODE
After performing self-diagnosis, place check marks for results on the AT- 4 8 , "DIAGNOSTIC WORKSHEET" .
Reference pages are provided following the items.
Operation Procedure
1. Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE”
screen.
Display shows malfunction experienced since the last erasing
operation.
Display Items List
X: Applicable, —: Not applicable
BCIA0031E
Items (CONSULT-
II screen terms)Malfunction is detected when...TCM self-
diagnosisOBD-II (DTC)
Reference
page
“A/T” with
CONSULT-IIMIL indicator
lamp*1,
“ENGINE” with
CONSULT-II or
GST
CAN COMM CIR-
CUIT

When TCM is not transmitting or receiving CAN communi-
cation signal for 2 seconds or more.U1000 U1000AT-105
STARTER RELAY/
CIRC

If this signal is ON other than in “P” or “N” position, this is
judged to be a malfunction.
(And if it is OFF in “P” or “N” position, this too is judged to
be a malfunction.)P0615 —AT-108
TCM
TCM is malfunctioning P0700 P0700AT- 11 2
PNP SW/CIRC

PNP switch 1-4 signals input with impossible pattern.

“P” position is detected from “N” position without any other
position being detected in between.P0705 P0705AT- 11 3
TURBINE REV S/
CIRC

TCM does not receive the proper voltage signal from the
sensor.

TCM detects an irregularity only at position of 4th gear for
turbine revolution sensor 2.P0717 P0717AT- 11 7
VEH SPD SEN/
CIR AT

Signal from vehicle speed sensor A/T (revolution sensor)
not input due to cut line or the like.

Unexpected signal input during running.

After ignition switch is turned ON, unexpected signal input
from vehicle speed sensor MTR before the vehicle starts
moving.P0720 P0720AT- 11 9
ENGINE SPEED
SIG
TCM does not receive the CAN communication signal from
the ECM.P0725 P0725*3AT-124
TCC SOLENOID/
CIRC
Normal voltage not applied to solenoid due to cut line,
short, or the like.P0740 P0740AT-126
A/T TCC S/V
FNCTN
A/T cannot perform lock-up even if electrical circuit is good.

TCM detects as irregular by comparing difference value
with slip rotation.P0744 P0744*2AT-128

TROUBLE DIAGNOSIS
AT-99
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AT
Revision: 2007 April2007 M35/M45
ATF WARN LAMP (ON/OFF) — — Not mounted but displayed.
BACK-UP LAMP (ON/OFF) — —
STARTER RELAY (ON/OFF) — —
PNP SW3 MON (ON/OFF) — —
C/V CLB ID1 — —
C/V CLB ID2 — —
C/V CLB ID3 — —
UNIT CLB ID1 — —
UNIT CLB ID2 — —
UNIT CLB ID3 — —
TRGT GR RATIO — —
TRGT PRES TCC (kPa) — —
TRGT PRES L/P (kPa) — —
TRGT PRES I/C (kPa) — —
TRGT PRE FR/B (kPa) — —
TRGT PRES D/C (kPa) — —
TRG PRE HLR/C (kPa) — —
SHIFT PATTERN — —
DRV CST JUDGE — —
START RLY MON — —
NEXT GR POSI — —
SHIFT MODE — —
MANU GR POSI — —
VEHICLE SPEED (km/h) — X Vehicle speed recognized by the TCM.
Voltage (V) — —Displays the value measured by the voltage
probe.
Frequency (Hz) — —
The value measured by the pulse probe is dis-
played. DUTY-HI (high) (%) — —
DUTY-LOW (low) (%) — —
PLS WIDTH-HI (ms) — —
PLS WIDTH-LOW (ms) — —Monitored item (Unit)Monitor Item Selection
Remarks ECU
INPUT
SIGNALSMAIN SIG-
NALSSELEC-
TION
FROM
MENU

AT-108
DTC P0615 START SIGNAL CIRCUIT
Revision: 2007 April2007 M35/M45
DTC P0615 START SIGNAL CIRCUITPFP:25230
DescriptionNCS001KP
TCM prohibits cranking other than at “P” or “N” position.
CONSULT-II Reference ValueNCS001KQ
On Board Diagnosis LogicNCS001KR

This is not an OBD-II self-diagnostic item.

Diagnostic trouble code “P0615 STARTER RELAY/CIRC” with CONSULT-II or 14th judgement flicker
without CONSULT-II is detected when starter relay is switched ON other than at “P” or “N” position. (Or
when switched OFF at “P” or “N” position).
Possible CauseNCS001KS

Harness or connectors
(Starter relay and TCM circuit is open or shorted.)

Starter relay circuit
DTC Confirmation ProcedureNCS001KT
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always 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-II
1. Turn ignition switch ON.
2. Select “SELECTION FROM MENU” in “DATA MONITOR” mode
for “A/T” with CONSULT-II and check monitor “STARTER
RELAY” ON/OFF.
3. Start engine.
4. Drive vehicle for at least 2 consecutive seconds.
5. If DTC is detected, go to AT- 11 0 , "
Diagnostic Procedure" .
Item name Condition Display value
STARTER RELAYSelector lever in “N”, “P” positions. ON
Selector lever in “R”, “D” positions. OFF
BCIA0030E