Infiniti M35/M45 Y50. Manual - part 74

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-219

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5. 

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to 

AT-236, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

 .

2.

Check A/T fluid condition. Refer to 

AT-53, "A/T Fluid Condition Check"

 .

OK or NG

OK

>> GO TO 6.

NG

>> GO TO 9.

6. 

DETECT MALFUNCTIONING ITEM

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

AT-64, "Symp-

tom Chart"

  (Symptom No.50).

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

7. 

CHECK SYMPTOM

Check again. Refer to 

AT-61, "Cruise Test - Part 3"

 .

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 8.

8. 

CHECK TCM

1.

Check TCM input/output signals. Refer to 

AT-89, "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.

9. 

DETECT MALFUNCTIONING ITEM

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

AT-64, "Symp-

tom Chart"

  (Symptom No.50).

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

AT-220

TROUBLE DIAGNOSIS FOR SYMPTOMS

Vehicle Does Not Decelerate by Engine Brake

NCS001QK

SYMPTOM:

No engine brake is applied when the gear is shifted from the 2nd to 1st gear.

DIAGNOSTIC PROCEDURE

1. 

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to 

AT-92, "SELF-DIAGNOSTIC RESULT MODE"

 , 

AT-103, "TCM SELF-DIAG-

NOSTIC PROCEDURE (NO TOOLS)"

 .

Is any malfunction detected by self-diagnostic results?

YES

>> Check malfunctioning system. Refer to 

AT-92, "SELF-DIAGNOSTIC RESULT MODE"

 , 

AT-104,

"Judgement Self-diagnosis Code"

 .

NO

>> GO TO 2.

2. 

CHECK A/T FLUID LEVEL

Check A/T fluid level. Refer to 

AT-13, "Checking A/T Fluid"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Refill ATF.

3. 

CHECK A/T POSITION

Check A/T position. Refer to 

AT-228, "Checking of A/T Position"

 .

OK or NG

OK

>> GO TO 4.

NG

>> Adjust A/T position. Refer to 

AT-227, "Adjustment of A/T Position"

 .

4. 

CHECK MANUAL MODE SWITCH

Check manual mode switch. Refer to 

AT-167, "DTC P1815 MANUAL MODE SWITCH"

 .

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5. 

CHECK A/T FLUID CONDITION

1.

Remove oil pan. Refer to 

AT-236, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"

 .

2.

Check A/T fluid condition. Refer to 

AT-53, "A/T Fluid Condition Check"

 .

OK or NG

OK

>> GO TO 6.

NG

>> GO TO 9.

6. 

DETECT MALFUNCTIONING ITEM

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

AT-64, "Symp-

tom Chart"

  (Symptom No.58).

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

7. 

CHECK SYMPTOM

Check again. Refer to 

AT-61, "Cruise Test - Part 3"

 .

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 8.

TROUBLE DIAGNOSIS FOR SYMPTOMS

AT-221

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AT

8. 

CHECK TCM

1.

Check TCM input/output signals. Refer to 

AT-89, "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.

9. 

DETECT MALFUNCTIONING ITEM

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

AT-64, "Symp-

tom Chart"

  (Symptom No.58).

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

AT-222

SHIFT CONTROL SYSTEM

SHIFT CONTROL SYSTEM

PFP:34901

Control Device Removal and Installation

NCS001QL

CONTROL DEVICE COMPONENTS (2WD MODELS)

1.

Selector lever knob

2.

Lock pin

3.

Control device assembly

4.

Snap pin

5.

Plain washer

6.

Color

7.

Plain washer

8.

Pivot pin

9.

Control rod

10.

Insulator

11.

Dust cover plate

12.

Dust cover

Refer to GI section to make sure icons (symbol marks) in the figure. Refer to 

GI-11, "Components"

 .

SCIA6755E