Infiniti G35 (V35). Manual — part 52

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-199

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E

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G

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B

AT

6.

DETECT MALFUNCTIONING ITEM

1.

Check control valve with TCM. Refer to

AT-225, "Control Valve with TCM and A/T Fluid Temperature Sen-

sor 2"

.

2.

Disassemble A/T. Refer to

AT-263, "DISASSEMBLY"

.

3.

Check the following.

–

Oil pump assembly. Refer to

AT-279, "Oil Pump"

.

–

Power train system. Refer to

AT-263, "DISASSEMBLY"

.

–

Transmission case. Refer to

AT-263, "DISASSEMBLY"

.

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

7.

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to

AT-225, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"

.

2.

Check A/T fluid condition. Refer to

AT-50, "A/T Fluid Condition Check"

.

OK or NG

OK

>> GO TO 8.

NG

>> GO TO 11.

8.

DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to

AT-60,

"Symptom Chart"

(Symptom No.13).

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

9.

CHECK SYMPTOM

Check again. Refer to

AT-56, "Cruise Test - Part 1"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 10.

10.

CHECK TCM

1.

Check TCM input/output signals. Refer to

AT-83, "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.

11.

DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to

AT-60,

"Symptom Chart"

(Symptom No.13).

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace damaged parts.

AT-200

TROUBLE DIAGNOSIS FOR SYMPTOMS

A/T Does Not Perform Lock-up

NCS000IA

SYMPTOM:

A/T does not lock-up at the specified speed.

DIAGNOSTIC PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to

AT-86, "SELF-DIAGNOSTIC RESULT MODE"

,

AT-95, "Diagnostic Procedure

Without CONSULT-II"

.

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

AT-86, "SELF-DIAGNOSTIC RESULT MODE"

,

AT-97,

"Judgment Self-diagnosis Code"

.

NO

>> GO TO 2.

2.

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to

AT-12, "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-52, "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-225, "Control Valve with TCM and A/T Fluid Temperature Sen-

sor 2"

.

2.

Disassemble A/T. Refer to

AT-263, "DISASSEMBLY"

.

3.

Check the following.

–

Oil pump assembly. Refer to

AT-279, "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-225, "Control Valve with TCM and A/T Fluid Temperature Sen-

sor 2"

.

2.

Disassemble A/T. Refer to

AT-263, "DISASSEMBLY"

.

3.

Check the following.

–

Oil pump assembly. Refer to

AT-279, "Oil Pump"

.

–

Power train system. Refer to

AT-263, "DISASSEMBLY"

.

–

Transmission case. Refer to

AT-263, "DISASSEMBLY"

.

OK or NG

OK

>> GO TO 6.

NG

>> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-201

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E

F

G

H

I

J

K

L

M

A

B

AT

6.

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to

AT-225, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"

.

2.

Check A/T fluid condition. Refer to

AT-50, "A/T Fluid Condition Check"

.

OK or NG

OK

>> GO TO 7.

NG

>> GO TO 10.

7.

DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to

AT-60,

"Symptom Chart"

(Symptom No.24).

OK or NG

OK

>> GO TO 8.

NG

>> Repair or replace damaged parts.

8.

CHECK SYMPTOM

Check again. Refer to

AT-56, "Cruise Test - Part 1"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 9.

9.

CHECK TCM

1.

Perform TCM input/output signals. Refer to

AT-83, "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.

10.

DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to

AT-60,

"Symptom Chart"

(Symptom No.24).

OK or NG

OK

>> GO TO 8.

NG

>> Repair or replace damaged parts.

A/T Does Not Hold Lock-up Condition

NCS000IB

SYMPTOM:

The lock-up condition cannot be maintained for more than 30 seconds.

DIAGNOSTIC PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to

AT-86, "SELF-DIAGNOSTIC RESULT MODE"

,

AT-95, "Diagnostic Procedure

Without CONSULT-II"

.

Is any malfunction detected by self-diagnostic results?

YES

>> Check the malfunctioning system. Refer to

AT-86, "SELF-DIAGNOSTIC RESULT MODE"

,

AT-97,

"Judgment Self-diagnosis Code"

.

NO

>> GO TO 2.

AT-202

TROUBLE DIAGNOSIS FOR SYMPTOMS

2.

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to

AT-12, "Checking A/T Fluid"

.

OK or NG

OK

>> GO TO 3.

NG

>> Refill ATF.

3.

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to

AT-225, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"

.

2.

Check A/T fluid condition. Refer to

AT-50, "A/T Fluid Condition Check"

.

OK or NG

OK

>> GO TO 4.

NG

>> GO TO 7.

4.

DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to

AT-60,

"Symptom Chart"

(Symptom No.25).

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5.

CHECK SYMPTOM

Check again. Refer to

AT-56, "Cruise Test - Part 1"

.

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 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.

7.

DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to

AT-60,

"Symptom Chart"

(Symptom No.25).

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.