Nissan Frontier. Manual - part 1229

SERVICE DATA AND SPECIFICATIONS (SDS)

TM-127

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[6MT: FS6R31A]

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Measurement point

Standard value

Limit value

1st, 3rd and 4th
(Double-cone synchronizer)

Clearance between synchronizer 
cone and inner baulk ring end face 
“A”

0.5 - 0.7 (0.020 - 0.028)

0.3 (0.012)

Clearance between outer baulk ring 
pawl and synchronizer cone “B”

1st: 1.0 - 1.5 (0.039 - 0.059)
3rd, 4th: 0.85 - 1.35 (0.0335 - 0.0531)

0.7 (0.028)
0.7 (0.028)

2nd
(Triple-cone synchronizer)

Clearance between synchronizer 
and clutch gear end face “A”

 0.6 - 1.3 (0.024 - 0.051)

0.3 (0.012)

Clearance between outer baulk ring 
pawl and synchronizer cone “B”

 0.85 - 1.35 (0.0335 - 0.0531)

0.7 (0.028)

Clearance between inner baulk ring 
and clutch gear end face “C”

 0.7 - 1.25 (0.028 - 0.0492)

0.3 (0.012)

5th and 6th

0.7 - 1.35 (0.028 - 0.0531)

0.5 (0.020)

Reverse

0.75 - 1.2 (0.0295 - 0.047)

0.5 (0.020)

PCIB0249E

PCIB0835J

TM-128

< BASIC INSPECTION >

[5AT: RE5R05A]

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

How to Perform Trouble Diagnosis for Quick and Accurate Repair

INFOID:0000000009480463

INTRODUCTION

The TCM receives a signal from the output speed sensor, accelera-

tor pedal position sensor (throttle position sensor) or transmission

range switch. Then provides shift control or lock-up control via A/T

solenoid valves.

The TCM also communicates with the ECM by means of a signal

sent from sensing elements used with the OBD-related parts of the

A/T system for malfunction-diagnostic purposes. The TCM is capa-

ble of diagnosing malfunctioning parts while the ECM can store mal-

functions in its memory.

Input and output signals must always be correct and stable in the

operation of the A/T system. The A/T system must be in good oper-

ating condition and be free of valve seizure, solenoid valve malfunc-

tion, etc.

It is much more difficult to diagnose an error that occurs intermit-

tently rather than continuously. Most intermittent errors are caused

by poor electric connections or improper wiring. In this case, careful

checking of suspected circuits may help prevent the replacement of

good parts.

A visual check only may not find the cause of the errors. A road test

with CONSULT (or GST) or a circuit tester connected should be per-

formed. Follow the “DETAILED FLOW”.

Before undertaking actual checks, take a few minutes to talk with a

customer who approaches with a driveability complaint. The cus-

tomer can supply good information about such errors, especially

intermittent ones. Find out what symptoms are present and under

what conditions they occur. A “Diagnostic work sheet” as shown on

the example (Refer to 

TM-129

) should be used.

Start your diagnosis by looking for “conventional” errors first. This will

help troubleshoot driveability errors on an electronically controlled

engine vehicle.

Also check related Service bulletins.

DETAILED FLOW

1.

COLLECT THE INFORMATION FROM THE CUSTOMER

Get the detailed information from the customer about the symptom (the condition and the environment when

the incident/malfunction occurred) using diagnosis worksheet. Refer to 

TM-129, "Diagnostic Work Sheet"

.

>> GO TO 2.

2.

CHECK SYMPTOM 1

Check the following items based on the information obtained from the customer.

• Fail-safe. Refer to 

TM-230, "Fail-Safe"

.

• A/T fluid inspection. Refer to 

TM-269, "Checking the A/T Fluid (ATF)"

.

• Stall test. Refer to 

TM-275, "Stall Test"

.

• Line pressure test. Refer to 

TM-276, "Line Pressure Test"

.

SAT631IB

SAT632I

SEF234G

DIAGNOSIS AND REPAIR WORKFLOW

TM-129

< BASIC INSPECTION >

[5AT: RE5R05A]

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>> GO TO 3.

3.

CHECK DTC

1. Check DTC.

2. Perform the following procedure if DTC is detected.

• Record DTC.

• Erase DTC. Refer to 

TM-155, "OBD-II Diagnostic Trouble Code (DTC)"

.

Is any DTC detected?

YES

>> GO TO 4.

NO

>> GO TO 6.

4.

PERFORM DIAGNOSTIC PROCEDURE

Perform “Diagnosis Procedure” for the displayed DTC.

>> GO TO 5.

5.

PERFORM DTC CONFIRMATION PROCEDURE

Perform “DTC CONFIRMATION PROCEDURE”.
Is DTC detected?

YES

>> GO TO 4.

NO

>> GO TO 6.

6.

CHECK SYMPTOM 2

Try to confirm the symptom described by the customer.
Is any malfunction present?

YES

>> GO TO 7.

NO

>> Inspection End

7.

ROAD TEST

Perform “ROAD TEST”. Refer to 

TM-279, "Check Before Engine Is Started"

.

>> GO TO 8.

8.

CHECK SYMPTOM 3

Try to confirm the symptom described by the customer.
Is any malfunction present?

YES

>> GO TO 2.

NO

>> Inspection End

Diagnostic Work Sheet

INFOID:0000000009480464

INFORMATION FROM CUSTOMER

KEY POINTS

• WHAT..... Vehicle and A/T model

• WHEN..... Date, Frequencies

• WHERE..... Road conditions

• HOW..... Operating conditions, Symptoms

Customer name MR/MS

Model and Year

VIN

Trans. Model

Engine

Mileage

Malfunction Date

Manuf. Date

In Service Date

Frequency

†

 Continuous † Intermittent ( times a day)

TM-130

< BASIC INSPECTION >

[5AT: RE5R05A]

DIAGNOSIS AND REPAIR WORKFLOW

DIAGNOSTIC WORK SHEET

Symptoms

†

 Vehicle does not move. († Any position † Particular position)

†

 No up-shift († 1st 

→ 2nd † 2nd → 3rd † 3rd → 4th   † 4th → 5th)

†

 No down-shift († 5th 

→ 4th   † 4th → 3rd † 3rd → 2nd † 2nd → 1st)

†

 Lock-up malfunction

†

 Shift point too high or too low.

†

 Shift shock or slip († N 

→ D † N → R † Lock-up † Any drive position)

†

 Noise or vibration

†

 No kick down

†

 No pattern select

†

 Cannot be changed to manual mode

†

 Others

(

)

O/D OFF indicator lamp

†

 Continuously lit

†

 Not lit

Malfunction indicator lamp (MIL)

†

 Continuously lit

†

 Not lit

1

†

 Read the item on cautions concerning fail-safe and understand the customer's complaint.

TM-230

2

†

 A/T fluid inspection, stall test and line pressure test

†

 A/T fluid inspection

TM-269

†

 Leak (Repair leak location.)

†

 State

†

 Amount

†

 Stall test

TM-275

†

 Torque converter one-way clutch

†

 Front brake

†

 High and low reverse clutch

†

 Low coast brake

†

 Forward brake

†

 Reverse brake

†

 Forward one-way clutch

†

 1st one-way clutch

†

 3rd one-way clutch

†

 Engine

†

 Line pressure low

†

 Except for input 

clutch and direct clutch, 
clutches and brakes 
OK

†

 Line pressure test - Suspected part:

TM-276

3

†

 Perform self-diagnosis. — Check detected items to repair or replace malfunctioning part.

TM-157

4

†

 Perform road test.

5-1

†

 Check before engine is started

TM-279

5-2

†

 Check at idle

TM-279

5-3

Cruise test

†

 Part 1

TM-280

†

 Part 2

TM-282

†

 Part 3

TM-282

†

 Check malfunction phenomena to repair or replace malfunctioning part after completing all road test.

Refer to 

TM-242, "Symptom Chart"

.

5

†

 Drive vehicle to check that the malfunction phenomenon has been resolved.

6

†

 Erase the results of the self-diagnosis from the TCM and the ECM.

TM-155