2007 INFINITI M35 Starter

TROUBLE DIAGNOSIS
AT-99
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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

AT-110
DTC P0615 START SIGNAL CIRCUIT
Revision: 2007 April2007 M35/M45
TCM terminals and data are reference value. Measured between each terminal and ground.
Diagnostic ProcedureNCS001KV
1. CHECK STARTER RELAY
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.
Without CONSULT-II
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 HARNESS CONNECTOR AND IPDM E/R CONNEC-
TOR
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.
Terminal Item Condition Data (Approx.)
9 Starter relaySelector lever in “N”, “P” positions. Battery voltage
Selector lever in “R”, “D” positions. 0 V
Item name Condition Display value
STARTER RELAYSelector lever in “N”, “P” positions. ON
Selector lever in “R”, “D” positions. OFF
Item Connector Terminal Shift position Voltage (Approx.)
Starter
relayE9 53 Ground“N”, “P” Battery voltage
“R”, “D” 0 V
PCIA0056E
SCIA2103E
Item Connector Terminal Continuity
A/T assembly harness con-
nectorF42 9
Ye s
IPDM E/R connector E9 53
SCIA5439E

DTC P0615 START SIGNAL CIRCUIT
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Revision: 2007 April2007 M35/M45
3. CHECK TERMINAL CORD ASSEMBLY
1. Remove control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature
Sensor 2" .
2. Disconnect A/T assembly harness connector and TCM connector.
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, "STARTING SYSTEM" .

IPDM E/R, Refer to PG-18, "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)" .
OK or NG
OK >> Replace the control valve with TCM. Refer to AT- 2 3 6 , "Control Valve With TCM and A/T Fluid
Temperature Sensor 2" .
NG >> Repair or replace damaged parts.
5. CHECK DTC
Perform “DTC Confirmation Procedure”. Refer to AT- 1 0 8 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 2.
Item Connector Terminal Continuity
A/T assembly harness con-
nectorF42 9
Ye s
TCM connector F502 8
SCIA5440E

AT-170
DTC P1815 MANUAL MODE SWITCH
Revision: 2007 April2007 M35/M45
TCM terminals and data are reference value. Measured between each terminal and ground.
Diagnostic ProcedureNCS001OZ
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" .
Is a malfunction in the CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to AT- 1 0 5 , "DTC U1000 CAN COMMUNICATION LINE" .
NO >> GO TO 2.
2. CHECK MANUAL MODE SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Read out ON/OFF switching action of “MANU MODE SW”,
“NON M-MODE SW”, “UP SW LEVER”, “DOWN SW LEVER”.
Without CONSULT-II
Drive vehicle in the manual mode, and confirm that the actual gear position and the meter's indication of the
position mutually coincide when the selector lever is shifted to the “+ (up)” or “- (down)” side (1st ⇔ 5th gear).
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING ITEM
Check the following.

Manual mode switch. Refer to AT- 1 7 1 , "Component Inspection" .

Pin terminals for damage or loose connection with harness connector.

Open circuit or short to ground or short to power in harness or connector for A/T device (manual mode
switch).

Unified meter and A/C amp. Refer to DI-5, "COMBINATION METERS" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
Terminal Item Condition Data (Approx.)
3CAN-H – –
8CAN-L – –
9 Starter relaySelector lever in “N”, “P” positions. Battery voltage
Selector lever in “R”, “D” positions. 0 V
Item name Condition Display Value
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
SCIA4988E

AT-276
TRANSMISSION ASSEMBLY
Revision: 2007 April2007 M35/M45
10. Remove crankshaft position sensor (POS) (1) from A/T assem-
bly.
CAUTION:

Do not subject it to impact by dropping or hitting it.

Do not disassemble.

Do not allow metal filings, etc., to get on the sensor's
front edge magnetic area.

Do not place in an area affected by magnetism.
11. Remove starter motor. Refer to SC-14, "
VQ35DE ENGINE
MODELS (2WD)" , SC-16, "VK45DE ENGINE MODELS" .
12. Remove rear cover plate. Refer to EM-31, "
Removal and Instal-
lation (2WD Models)" (for VQ35DE engine).
13. Remove rear plate cover. Refer to EM-31, "
Removal and Installation (2WD Models)" (for VQ35DE
engine), EM-187, "
Removal and Installation" (for VK45DE engine).
14. Turn crankshaft, and remove the four tightening bolts for drive
plate and torque converter.
CAUTION:
When turning the crankshaft, turn it clockwise as viewed
from the front of the engine.
15. Support A/T assembly with a transmission jack.
CAUTION:
When setting the transmission jack, be careful not to allow
it to collide against the drain plug.
16. Remove rear engine mounting member with power tool.
17. Remove engine mounting insulator (rear).
18. Disconnect A/T assembly harness connector.
19. Remove air breather hose. Refer to AT- 2 7 2 , "
Removal and Installation" .
20. Remove A/T fluid charging pipe from A/T assembly.
21. Remove O-ring from A/T fluid charging pipe.
22. Disconnect fluid cooler tube from A/T assembly.
23. Plug up openings such as the A/T fluid charging pipe hole, etc.
24. Remove bolts fixing A/T assembly to engine assembly with power tool.
25. Remove A/T assembly from vehicle.
CAUTION:

Secure torque converter to prevent it from dropping.

Secure A/T assembly to a transmission jack.
SCIA6506J
LCIA0335E
SCIA0499E

TRANSMISSION ASSEMBLY
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Revision: 2007 April2007 M35/M45
5. Remove heat insulator.
6. Remove rear propeller shaft. Refer to PR-8, "
Removal and Installation" .
7. Remove front cross bar with power tool. Refer to FSU-27, "
Removal and Installation" .
8. Remove exhaust mounting bracket. Refer to EX-5, "
Removal and Installation" .
9. Remove three way catalyst. Refer to EX-5, "
Removal and Installation" .
10. Remove front propeller shaft. Refer to PR-5, "
Removal and Installation" .
11. Remove control rod. Refer to AT- 2 2 6 , "
Control Rod Removal and Installation" .
12. Remove crankshaft position sensor (POS) (1) from A/T assem-
bly.
CAUTION:

Do not subject it to impact by dropping or hitting it.

Do not disassemble.

Do not allow metal filings, etc., to get on the sensor's
front edge magnetic area.

Do not place in an area affected by magnetism.
13. Remove starter motor. Refer to SC-15, "
VQ35DE ENGINE
MODELS (AWD)" .
14. Remove rear plate cover. Refer to EM-38, "
Removal and Instal-
lation (AWD Models)" .
15. Turn crankshaft, and remove the four tightening bolts for drive
plate and torque converter.
CAUTION:
When turning the crankshaft, turn it clockwise as viewed
from the front of the engine.
16. Support A/T assembly with a transmission jack.
CAUTION:
When setting the transmission jack, be careful not to allow
it to collide against the drain plug.
17. Remove rear engine mounting member with power tool.
18. Remove engine mounting insulator (rear).
19. Disconnect A/T assembly harness connector.
20. Remove air breather hose. Refer to AT- 2 7 2 , "
Removal and Installation" .
21. Remove A/T fluid charging pipe from A/T assembly.
22. Remove O-ring from A/T fluid charging pipe.
23. Disconnect fluid cooler tube from the A/T assembly.
24. Plug up openings such as the A/T fluid charging pipe hole, etc.
25. Remove bolts fixing A/T assembly to engine assembly with power tool.
26. Remove A/T assembly with transfer assembly from vehicle.
CAUTION:

Secure torque converter to prevent it from dropping.

Secure A/T assembly to a transmission jack.
27. Remove transfer assembly from A/T assembly with power tool.
SCIA6506J
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SCIA2203E

BL-80
INTELLIGENT KEY SYSTEM
Revision: 2007 April2007 M35/M45
CAUTION:
When CAN COMM [U1000] and CONTROL UNIT (CAN) [U1010] are displayed, give priority to performing trouble diagnosis.
DATA MONITOR
STRG COMM 1
[B2013]Communication malfunction with steering lock unit is
detectedCheck steering lock unitBL-155
STEERING LOCK UNIT
[B2551]Even if the communication with steering lock unit is
normally performed, the steering lock is malfunctioningReplace steering lock
unitBL-157
INTELLIGENT KEY
[B2552]Internal malfunction is detected in Intelligent Key unitReplace Intelligent Key
unit.BL-161
IGN POWER CIRCUIT
[B2553]It continues for 2 seconds or more that ON power sup-
ply input to Intelligent Key unit is excessively low when
the power supply position is in ON positionCheck Intelligent Key
unit ON power supply
inputBL-161
ACC POWER CIRCUIT
[B2554]It continues for 2 seconds or more that ACC power
supply input to Intelligent Key unit is excessively low
when the power supply position is in ACC or ON posi-
tionCheck Intelligent Key
unit ACC power supply
inputBL-162
STOP LAMP CIRCUIT
[B2555]5V or less is detected at both the stop lamp switch sig-
nal input circuit that is input to Intelligent Key unit and
the monitor input before stop lamp switchCheck stop lamp switchBL-165
ENG START SW
[B2556]Condition that push-button ignition switch is pushed is
detected continuously for 100 seconds or moreCheck push-button igni-
tion switchBL-166
VEHICLE SPEED
[B2557]Some differences occur on one or more vehicle speed
inputs of Intelligent Key unitCheck vehicle speed sig-
nalBL-167
SHIFT POSITION
[B2558]

There is a difference between the shift position input
via CAN communication and the P position input by
detente switch

Vehicle speed (5 km/h or more) is detected continu-
ously for 10 seconds or more even if the shift posi-
tion is detected in P position when the power supply
position is in ON positionCheck shift position inputBL-170
PDU
[B2559]Internal malfunction is detected in PDU Replace PDUBL-172
START POW SUP CIRC
[B2560]Though the engine start operation is not performed,
starter relay in IPDM E/R is ONCheck starter power sup-
plyBL-172
LOW VOLTAGE
[B2562]Battery power supply input to Intelligent Key unit (8.8V
or less) is detected continuously for 1.5 seconds or
moreCheck battery low volt-
ageBL-175
HI VOLTAGE
[B2563]Battery power supply input to Intelligent Key unit (18V
or more) is detected continuously for 90 seconds or
moreCheck for battery high
voltageBL-176
NATS MALFUNCTION
[B2590]Malfunction is detected in immobilizer systemCheck (IVIS) NATS trou-
ble diagnosis procedureBL-244
Suspect Systems
[DTC]Diagnostic item is detected when... Repair work Reference page
Monitor item Content
DR REQ SW Indicates [ON/OFF] condition of door request switch (driver side).
AS REQ SW Indicates [ON/OFF] condition of door request switch (passenger side).
BD/TR REQ SW Indicates [ON/OFF] condition of trunk opener request switch.
ON POS Indicates [ON/OFF] condition of ignition switch in ON position.
ACC POS Indicates [ON/OFF] condition of ignition switch in ACC position.
DOOR STAT SW Indicates [ON/OFF] condition of door unlock sensor.
STOP LAMP SW Indicates [ON/OFF] condition of stop lamp switch.
P RANGE SW Indicates [ON/OFF] condition of park position switch.