check engine INFINITI M35 2007 Factory Owners Manual

AT-190
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2007 April2007 M35/M45
TCM terminals and data are reference value. Measured between each terminal and ground.
A/T CHECK Indicator Lamp Does Not Come OnNCS001PZ
SYMPTOM:
A/T CHECK indicator lamp does not come on for about 2 seconds when turning ignition switch to ON.
DIAGNOSTIC PROCEDURE
1. CHECK CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
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 A/T CHECK INDICATOR LAMP CIRCUIT
Check combination meters. Refer to DI-5, "
COMBINATION METERS" .
OK or NG
OK >> GO TO 3
NG >> Repair or replace damaged parts.
3. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to AT- 1 8 0 , "
MAIN POWER SUPPLY AND GROUND CIR-
CUIT" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Engine Cannot Be Started in “P” or “N” PositionNCS001Q0
SYMPTOM:

Engine cannot be started with selector lever in “P” or “N” position.

Engine can be started with selector lever in “D”or “R” position.
DIAGNOSTIC PROCEDURE
1. CHECK PNP SWITCH CIRCUIT
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
Do the self-diagnostic results indicate PNP switch?
YES >> Check malfunctioning system. Refer to AT- 11 3 , "DTC P0705 PARK/NEUTRAL POSITION
SWITCH" .
NO >> GO TO 2.
Terminal Item Condition Data (Approx.)
3CAN-H – –
4K-line (CONSULT-II
signal)The terminal is connected to the data link connector for CONSULT-II. –
7 Back-up lamp relaySelector lever in “R” position. 0 V
Selector lever in other positions. Battery voltage
8CAN-L – –

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-193
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2007 April2007 M35/M45
Large Shock (“N” to “D” Position)NCS001Q3
SYMPTOM:
A noticeable shock occurs when the selector lever is shifted from “N” to “D” position.
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 2.
2. ENGINE IDLE SPEED
Check engine idle speed. Refer to EC-83, "
Idle Speed and Ignition Timing Check" (for VQ35DE engine), EC-
785, "Idle Speed and Ignition Timing Check" (for VK45DE engine).
OK or NG
OK >> GO TO 3.
NG >> Adjust engine idle speed. Refer to EC-83, "
Idle Speed and Ignition Timing Check" (for VQ35DE
engine), EC-785, "
Idle Speed and Ignition Timing Check" (for VK45DE engine).
3. CHECK A/T POSITION
Check A/T position. Refer to AT- 2 2 8 , "
Checking of A/T Position" .
OK or NG
OK >> GO TO 4.
NG >> Adjust A/T position. Refer to AT- 2 2 7 , "
Adjustment of A/T Position" .
4. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 5.
NG >> Refill ATF.
5. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 8.
NG - 1 >> Line pressure high: GO TO 6.
NG - 2 >> Line pressure low: GO TO 7.
6. DETECT MALFUNCTIONING
1. Check control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 3 0 1 , "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT- 3 2 2 , "Oil Pump" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-195
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2007 April2007 M35/M45
Vehicle Does Not Creep Backward in “R” PositionNCS001Q4
SYMPTOM:
The vehicle does not creep in “R” position. Or an extreme lack of acceleration is observed.
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
Is any malfunction detected by self-diagnosis results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 2.
2. CHECK A/T POSITION
Check A/T position. Refer to AT- 2 2 8 , "
Checking of A/T Position" .
OK or NG
OK >> GO TO 3.
NG >> Adjust A/T position. Refer to AT- 2 2 7 , "
Adjustment of A/T Position" .
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK STALL TEST
Check stall revolution with selector lever in “M” and “R” positions.
Refer to AT- 5 3 , "
STALL TEST" .
OK or NG
OK >> GO TO 6.
OK in “M” position, NG in “R” position>>GO TO 5
NG in both “M” and “R” positions>>GO TO 8.
5. DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Refer to AT- 3 0 1 , "
DISASSEMBLY" .
2. Check the following.
–Reverse brake. Refer to AT- 3 0 1 , "DISASSEMBLY" .
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
6. CHECK LINE PRESSURE
Check line pressure with the engine idling. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 9.
NG - 1 >> Line pressure high: GO TO 7.
NG - 2 >> Line pressure low: GO TO 8.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-199
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2007 April2007 M35/M45
12. DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT- 6 4 , "
Symp-
tom Chart" (Symptom No.43).
OK or NG
OK >> GO TO 10.
NG >> Repair or replace damaged parts.
Vehicle Cannot Be Started from D1NCS001Q6
SYMPTOM:
Vehicle cannot be started from D1 on cruise test - Part 1.
DIAGNOSTIC PROCEDURE
1. CONFIRM THE SYMPTOM
Check if vehicle creeps in “R” position.
OK or NG
OK >> GO TO 2.
NG >> Refer to AT- 1 9 5 , "
Vehicle Does Not Creep Backward in “R” Position" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 3.
3. CHECK ACCELERATOR PEDAL POSITION (APP) SENSOR
Check accelerator pedal position (APP) sensor. Refer to AT- 11 3 , "
DTC P0705 PARK/NEUTRAL POSITION
SWITCH"
OK or NG
OK >> GO TO 4.
NG >> Repair or replace accelerator pedal position (APP) sensor.
4. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 5.
NG >> Refill ATF.
5. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 8.
NG - 1 >> Line pressure high: GO TO 6.
NG - 2 >> Line pressure low: GO TO 7.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-201
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2007 April2007 M35/M45
12. DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT- 6 4 , "
Symp-
tom Chart" (Symptom No.23).
OK or NG
OK >> GO TO 10.
NG >> Repair or replace damaged parts.
A/T Does Not Shift: D1 → D2NCS001Q7
SYMPTOM:
The vehicle does not shift-up from the D1 to D2 gear at the specified speed.
DIAGNOSTIC PROCEDURE
1. CONFIRM THE SYMPTOM
Check if vehicle creep forward in “D” position and vehicle can be started from D
1.
OK or NG
OK >> GO TO 2.
NG >> Refer to AT- 1 9 7 , "
Vehicle Does Not Creep Forward in “D” Position" , AT- 1 9 9 , "Vehicle Cannot Be
Started from D1" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 3.
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 7.
NG - 1 >> Line pressure high: GO TO 5.
NG - 2 >> Line pressure low: GO TO 6.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 3 0 1 , "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT- 3 2 2 , "Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-203
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2007 April2007 M35/M45
A/T Does Not Shift: D2 → D3NCS001Q8
SYMPTOM:
The vehicle does not shift-up from D2 to D3 gear at the specified speed.
DIAGNOSTIC PROCEDURE
1. CONFIRM THE SYMPTOM
Check if vehicle creep forward in “D” position and vehicle can be started from D
1.
OK or NG
OK >> GO TO 2.
NG >> Refer to AT- 1 9 7 , "
Vehicle Does Not Creep Forward in “D” Position" , AT- 1 9 9 , "Vehicle Cannot Be
Started from D1" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 3.
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 7.
NG - 1 >> Line pressure high: GO TO 5.
NG - 2 >> Line pressure low: GO TO 6.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 3 0 1 , "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT- 3 2 2 , "Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-205
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2007 April2007 M35/M45
A/T Does Not Shift: D3 → D4NCS001Q9
SYMPTOM:
The vehicle does not shift-up from the D3 to D4 gear at the specified speed.
DIAGNOSTIC PROCEDURE
1. CONFIRM THE SYMPTOM
Check if vehicle creep forward in “D” position and vehicle can be started from D
1.
OK or NG
OK >> GO TO 2.
NG >> Refer to AT- 1 9 7 , "
Vehicle Does Not Creep Forward in “D” Position" , AT- 1 9 9 , "Vehicle Cannot Be
Started from D1" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 3.
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 7.
NG - 1 >> Line pressure high: GO TO 5.
NG - 2 >> Line pressure low: GO TO 6.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 3 0 1 , "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT- 3 2 2 , "Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-207
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2007 April2007 M35/M45
A/T Does Not Shift: D4 → D5NCS001QA
SYMPTOM:

The vehicle does not shift-up from the D4 to D5 gear at the specified speed.

The vehicle does not shift-up from the D4 to D5 gear unless A/T is warmed up.
DIAGNOSTIC PROCEDURE
1. CONFIRM THE SYMPTOM
Check if vehicle creep forward in “D” position and vehicle can be started from D
1.
OK or NG
OK >> GO TO 2.
NG >> Refer to AT- 1 9 7 , "
Vehicle Does Not Creep Forward in “D” Position" , AT- 1 9 9 , "Vehicle Cannot Be
Started from D1" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 3.
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 7.
NG - 1 >> Line pressure high: GO TO 5.
NG - 2 >> Line pressure low: GO TO 6.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 3 0 1 , "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT- 3 2 2 , "Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-209
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2007 April2007 M35/M45
A/T Does Not Lock-upNCS001QB
SYMPTOM:
A/T does not lock-up at the specified speed.
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 2.
2. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 6.
NG - 1 >> Line pressure high: GO TO 4.
NG - 2 >> Line pressure low: GO TO 5.
4. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 3 0 1 , "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT- 3 2 2 , "Oil Pump" .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 3 0 1 , "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT- 3 2 2 , "Oil Pump" .
–Power train system. Refer to AT- 3 0 1 , "DISASSEMBLY" .
–Transmission case. Refer to AT- 3 0 1 , "DISASSEMBLY" .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.

AT-212
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2007 April2007 M35/M45
Lock-up Is Not ReleasedNCS001QD
SYMPTOM:
The lock-up condition cannot be cancelled even after releasing the accelerator pedal.
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 2.
2. CHECK SYMPTOM
Check again. Refer to AT- 5 9 , "
Cruise Test - Part 1" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 3.
3. CHECK TCM
1. Check TCM input/output signals. Refer to AT- 8 9 , "
TCM Input/Output Signal Reference Values" .
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Engine Speed Does Not Return to IdleNCS001QE
SYMPTOM:
When a shift-down is performed, the engine speed does not smoothly return to the idling speed.
DIAGNOSTIC PROCEDURE
1. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 2.
NG >> Refill ATF.
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 3.