INFINITI FX35 2008 Service Manual

AT-168
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
TCWM0501E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSIS FOR SYMPTOMSAT-169
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
TCM terminals and data are reference valu e. Measured between each terminal and ground.
TCWM0502E
Te r m i n a lWire
color Item Condition Data (Approx.)
3 L CAN-H – –
4PU K-line (CONSULT-
III signal)
The terminal is connected to the data link connector for CONSULT-III. –
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AT-170
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
A/T Check Indicator Lamp Does Not Come On
INFOID:0000000001327361
SYMPTOM:
A/T CHECK indicator lamp does not come on for ab out 2 seconds when turning ignition switch to
“ON”.
DIAGNOSTIC PROCEDURE
1.CHECK CAN COMMUNICATION LINE
With CONSULT-III
 Perform self-diagnosis.
Without CONSULT-III
 Perform self-diagnosis. Refer to AT-91, "
Diagnosis Procedure without CONSULT-III".
Is a malfunction in the CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to AT- 9 4.
NO >> GO TO 2.
2.CHECK A/T CHECK INDICATOR LAMP CIRCUIT
Check the combination meter. Refer to DI-5
.
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-160
.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.
Engine Cannot Be Started in "P" or "N" PositionINFOID:0000000001327362
SYMPTOM:
Engine cannot be started with select or 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
With CONSULT-III
 Perform self-diagnosis.
Without CONSULT-III
 Perform self-diagnosis. Refer to AT-91, "
Diagnosis Procedure without CONSULT-III".
Do the self-diagnosis results indicate PNP switch?
YES >> Check the malfunctioning system. Refer to AT-102.
NO >> GO TO 2.
2.CHECK A/T POSITION
7OR Back-up lamp re-
lay Selector lever in “R” position. 0 V
Selector lever in other positions. Battery voltage
8 P CAN-L – –
Te r m i n a l
Wire
color Item Condition Data (Approx.)
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSIS FOR SYMPTOMSAT-171
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
Check the A/T position. Refer to AT-207, "Checking of A/T Position".
OK or NG
OK >> GO TO 3.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
3.CHECK STARTING SYSTEM
Check starting system. Refer to SC-8
.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.
In "P" Position, Vehicle Moves When PushedINFOID:0000000001327363
SYMPTOM:
Even though the selector lever is set in the “P” position, the parking mechanism is not actuated,
allowing the vehicle to be moved when it is pushed.
DIAGNOSTIC PROCEDURE
1.CHECK A/T POSITION
Check the A/T position. Refer to AT-207, "
Checking of A/T Position".
OK or NG
OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
2.CHECK PARKING COMPONENTS
Check parking components. Refer to AT-226, "
Parking Component (2WD Models Only)" (2WD models) or AT-
267, "Disassembly" (AWD models).
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
3.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer to AT-49, "
Inspections Before
Trouble Diagnosis".
OK or NG
OK >> INSPECTION END
NG >> Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT-59, "
Symp-
tom Chart" (Symptom No.65).
SCIA2119E
SCIA2119E
SCIA5199E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AT-172
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
In "N" Position, Vehicle Moves
INFOID:0000000001327364
SYMPTOM:
Vehicle moves forward or backwar d when selecting “N” position.
DIAGNOSTIC PROCEDURE
1.CHECK PNP SWITCH CIRCUIT
With CONSULT-III
 Perform self-diagnosis.
Without CONSULT-III
 Perform self-diagnosis. Refer to AT-91, "
Diagnosis Procedure without CONSULT-III".
Do the self-diagnostic results indicate PNP switch?
YES >> Check the malfunctioning system. Refer to AT-102.
NO >> GO TO 2.
2.CHECK A/T POSITION
Check the A/T position. Refer to AT-207, "
Checking of A/T Position".
OK or NG
OK >> GO TO 3.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
3.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 11 , "
Checking A/T Fluid".
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer to AT-49, "
Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO 5.
NG >> Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT-59, "
Symp-
tom Chart" (Symptom No.67).
5.CHECK SYMPTOM
Check again. Refer to “CHECK AT IDLE”.
SCIA2119E
SAT638A
SCIA5199E
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSIS FOR SYMPTOMSAT-173
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
OK or NG
OK >> INSPECTION END
NG >> GO TO 6.
6.CHECK TCM
1. Check TCM input/output signals. Refer to AT-83, "
TCM Input/Output Signal Reference Value".
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.
Large Shock ("N" to "D" Position)INFOID:0000000001327365
SYMPTOM:
A noticeable shock occurs when the selector lever is shifted from “N” to “D” position.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-III
 Perform self-diagnosis.
Without CONSULT-III
 Perform self-diagnosis. Refer to AT-91, "
Diagnosis Procedure without CONSULT-III".
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfuncti oning system. Refer to AT-84, "CONSULT-III Function (TRANSMISSION)",
AT-91, "
Diagnosis Procedure without CONSULT-III".
NO >> GO TO 2.
2.ENGINE IDLE SPEED
Check the engine idle speed. Refer to EC-84, "
Idle Speed and Ignition Timing Check" (for VQ35DE) or EC-
661, "Idle Speed and Ignition Timing Check" (for VK45DE).
OK or NG
OK >> GO TO 3.
NG >> Adjust engine idle speed. Refer to EC-84, "
Idle Speed and Ignition Timing Check" (for VQ35DE)
or EC-661, "
Idle Speed and Ignition Timing Check" (for VK45DE).
3.CHECK A/T POSITION
Check the A/T position. Refer to AT-207, "
Checking of A/T Position".
OK or NG
OK >> GO TO 4.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
4.CHECK A/T FLUID LEVEL
SCIA2119E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AT-174
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
Check the A/T fluid level. Refer to AT- 11 , "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-49, "
Inspections Before Trouble Diagnosis".
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 ITEM
1. Check control valve with TCM. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2".
2. Disassemble A/T. Refer to AT-267
.
3. Check the following.
- Oil pump assembly. Refer to AT-285, "
Oil Pump".
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
7.DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2".
2. Disassemble A/T. Refer to AT-267
.
3. Check the following.
- Oil pump assembly. Refer to AT-285, "
Oil Pump".
- Power train system. Refer to AT-267
.
- Transmission case. Refer to AT-267
.
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
8.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
SAT638A
SAT494G
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSIS FOR SYMPTOMSAT-175
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
2. Check A/T fluid condition. Refer to AT-49, "Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9.DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are dam aged, repair or replace damaged parts. Refer to AT-59,
"Symptom Chart" (Symptom No.1).
OK or NG
OK >> GO TO 10.
NG >> Repair or replace damaged parts.
10.CHECK SYMPTOM
Check again. Refer to “CHECK AT IDLE”.
OK or NG
OK >> INSPECTION END
NG >> GO TO 11.
11 .CHECK TCM
1. Check TCM input/output signals. Refer to AT-83, "
TCM Input/Output Signal Reference Value".
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.
Vehicle Does Not Creep Backward in "R" PositionINFOID:0000000001327366
SYMPTOM:
The vehicle does not creep in the “R” position. Or an extreme lack of acceleration is observed.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-III
 Perform self-diagnosis.
Without CONSULT-III
 Perform self-diagnosis. Refer to AT-91, "
Diagnosis Procedure without CONSULT-III".
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfuncti oning system. Refer to AT-84, "CONSULT-III Function (TRANSMISSION)",
AT-91, "
Diagnosis Procedure without CONSULT-III".
NO >> GO TO 2.
2.CHECK A/T POSITION
SCIA5199E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AT-176
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
Check the A/T position. Refer to AT-207, "Checking of A/T Position".
OK or NG
OK >> GO TO 3.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
3.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 11 , "
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-49, "
Inspections Before Trouble Diagnosis".
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-267
.
2. Check the following.
- Reverse brake. Refer to AT-267
.
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
6.CHECK LINE PRESSURE
Check the line pressure with the engine idling. Refer to AT-49,
"Inspections Before Trouble Diagnosis".
OK or NG
OK >> GO TO 9.
NG-1 >> Line pressure high: GO TO 7.
NG-2 >> Line pressure low: GO TO 8.
SCIA2119E
SAT638A
SAT493G
SAT494G
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSIS FOR SYMPTOMSAT-177
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
7.DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2".
2. Disassemble A/T. Refer to AT-267
.
3. Check the following.
- Oil pump assembly. Refer to AT-285, "
Oil Pump".
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
8.DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2".
2. Disassemble A/T. Refer to AT-267
.
3. Check the following.
- Oil pump assembly. Refer to AT-285, "
Oil Pump".
- Power train system. Refer to AT-267
.
- Transmission case. Refer to AT-267
.
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
9.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer to AT-49, "
Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO 10.
NG >> GO TO 13.
10.DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are dam aged, repair or replace damaged parts. Refer to AT-59,
"Symptom Chart" (Symptom No.43).
OK or NG
OK >> GO TO 11.
NG >> Repair or replace damaged parts.
11 .CHECK SYMPTOM
Check again. Refer to “CHECK AT IDLE”.
OK or NG
OK >> INSPECTION END
NG >> GO TO 12.
12.CHECK TCM
1. Check TCM input/output signals. Refer to AT-83, "
TCM Input/Output Signal Reference Value".
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.
SCIA5199E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C