2006 Sprinter Transmission Service Repair Manual

2006 Sprinter Transmission Service Repair Manual

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1.0 INTRODUCTION
The procedures contained in this manual include
all of the specifications, instructions, and graphics
needed to diagnose NAG1 Electronic Automatic
Transmission and Shift Lever Assembly problems.
The diagnostics in this manual are based on the
failure condition or symptom being present at the
time of diagnosis.
When repairs are required, refer to the appropriate
volume of the service information for the proper
removal and repair procedure.
READ THIS MANUAL BEFORE TRYING TO
DIAGNOSE A VEHICLE TROUBLE CODE.
Diagnostic procedures change every year. New
diagnostic systems may be added and/or carryover
systems may be enhanced. It is recommended that
you review the entire manual to become familiar
with all new and changed diagnostic procedures.
1.1 SYSTEM COVERAGE
This diagnostic procedures manual covers all
Sprinter (VA) equipped with a NAG1 Automatic
Transmission.
1.2 SIX -STEP TROUBLESHOOTING
PROCEDURE
Diagnosis of the NAG1 electronic transmission is
done in six basic steps:
Verification of complaint
Verification of any related symptoms
Symptom analysis
Problem isolation
Repair of isolated problem
Verification of proper operation

TABLE OF CONTENTS
1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.1 SYSTEM COVERAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.2 SIX -STEP TROUBLESHOOTING PROCEDURE. . . . . . . . . . . . . . . . . . . . . . . . . .1
2.0 IDENTIFICATION OF SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
3.0 SYSTEM DESCRIPTION AND FUNCTIONAL OPERATION . . . . . . . . . . . . . . . . . . . . . .1
3.1 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
3.2 FUNCTIONAL OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
3.2.1 CONTROLLER MODES OF OPERATION. . . . . . . . . . . . . . . . . . . . . . . .2
3.2.2 MIL ILLUMINATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
3.2.3 SOLENOIDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
3.2.4 TRANSMISSION COMPONENT DESCRIPTIONS . . . . . . . . . . . . . . . . .3
3.2.5 TRANSMISSION OPERATION AND SHIFT SCHEDULING . . . . . . . . . .4
3.2.6 TRANSMISSION ADAPTIVES – INITIALIZE AND STORE . . . . . . . . . . .4
3.3 DIAGNOSTIC TROUBLE CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3.3.1 ACTIVE (HARD) CODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3.3.2 STORED (INTERMITTENT) CODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3.3.3 TROUBLE CODE ERASURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.4 USING THE DRBIIIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.5 DRBIIIT ERROR MESSAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.5.1 DRBIIIT DOES NOT POWER UP (BLANK SCREEN). . . . . . . . . . . . . . .5
3.5.2 DISPLAY IS NOT VISIBLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
4.0 DISCLAIMERS, SAFETY, AND WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
4.1 DISCLAIMERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
4.2 SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
4.2.1 TECHNICIAN SAFETY INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . .6
4.2.2 VEHICLE PREPARATION FOR TESTING. . . . . . . . . . . . . . . . . . . . . . . .6
4.2.3 SERVICING SUB-ASSEMBLIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
4.2.4 DRBIIIT SAFETY INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
4.3 WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
4.3.1 VEHICLE DAMAGE WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
4.3.2 ROAD TESTING A COMPLAINT VEHICLE . . . . . . . . . . . . . . . . . . . . . . .7
4.4.4 BULLETINS AND RECALLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
5.0 REQUIRED TOOLS AND EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
6.0 GLOSSARY OF TERMS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
6.1 ACRONYMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
6.2 DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
7.0 DIAGNOSTIC INFORMATION AND PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
COMMUNICATION
*NO RESPONSE FROM SHIFTER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
*NO RESPONSE FROM TRANSMISSION CONTROL MODULE . . . . . . . . . . . . . . . . .12
SHIFT LEVER ASSEMBLY
BACKUP LAMP CKT SHORT TO GROUND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

PLEASE NOTE:

• This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
• Contact us at heydownloadss @gmail.com should you have any queries before your purchase or that you need any other service / repair / parts operators manual.