Nissan X-Trail 32. Manual - part 1994

 

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содержание   ..  1992  1993  1994  1995   ..

 

 

Nissan X-Trail 32. Manual - part 1994

 

 

STC-26

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

Other conditions

Memo

Interview sheet

Customer 
name

MR/MS

Registration 
number

Initial year 
registration 

Vehicle type

VIN

Storage date

Engine

Mileage

km (Mile)

C1601 BATTERY POWER SUPPLY

STC-27

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

H

I

J

K

L

M

A

B

STC

N

O

P

DTC/CIRCUIT DIAGNOSIS

C1601 BATTERY POWER SUPPLY

DTC Description

INFOID:0000000010688416

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connector
• EPS control unit (steering column assembly)
• Fuse
• Power supply system
• Battery

FAIL-SAFE

EPS system enters into a manual steering state.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

DTC REPRODUCTION PROCEDURE

With CONSULT

1.

Turn the ignition switch OFF to ON.

2.

Perform “EPS/DAST 3” self-diagnosis.

Is DTC “C1601” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

STC-27, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010688417

1.

CHECK EPS CONTROL UNIT GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect EPS control unit harness connector.

3.

Check continuity between EPS control unit harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair open circuit or short to ground or short to power in harness or connectors.

2.

CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (1)

1.

Check voltage between EPS control unit harness connector terminals and ground.

DTC

Display item

(Trouble diagnosis content)

Malfunction detected condition

C1601

BATTERY VOLT
(Battery voltage)

When a power supply voltage to the EPS control unit is maintained at 
16 V or more or at less than 9 V continuously for 0.5 second or more.

EPS control unit

Continuity

Connector

Terminal

M38

10

Ground

Existed

STC-28

< DTC/CIRCUIT DIAGNOSIS >

C1601 BATTERY POWER SUPPLY

2.

Turn ignition switch ON.

CAUTION:

Never start the engine.

3.

Check voltage between EPS control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (2)

1.

Turn ignition switch OFF.

2.

Check the 10A fuse (#30).

3.

Check the harness for open or short between EPS control unit harness connector and the fuse block (J/
B).

Is the inspection result normal?

YES

>> Perform the trouble diagnosis for ignition power supply circuit. Refer to 

STC-22, "Wiring Diagram"

.

NO

>> Repair or replace error-detected parts.

4.

CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (3)

1.

Check voltage between EPS control unit harness connector terminals and ground.

2.

Turn ignition switch ON.

CAUTION:

Never start the engine.

3.

Check voltage between EPS control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 5.

5.

CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (4)

1.

Turn ignition switch OFF.

2.

Check the 50A fusible link (F). (Except for R9M engine models)

3.

Check the 50A fusible link (H). (Except for R9M engine models)

4.

Check the 50A fusible link (J). (For R9M engine models)

5.

Check the 50A fusible link (I). (For R9M engine models)

EPS control unit

Voltage

Connector

Terminal

M37

4

Ground

Approx. 0 V

EPS control unit

Voltage

Connector

Terminal

M37

4

Ground

10.5 – 16 V

EPS control unit

Fuse block (J/B)

Continuity

Connector

Terminal

Connector

Terminal

M37

4

M3

7C

Existed

EPS control unit

Voltage

Connector

Terminal

M38

9

Ground

10.5 – 16 V

EPS control unit

Voltage

Connector

Terminal

M38

9

Ground

10.5 – 16 V

C1601 BATTERY POWER SUPPLY

STC-29

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

H

I

J

K

L

M

A

B

STC

N

O

P

6.

Check the harness for open or short between EPS control unit harness connector No.9 terminal and the
50A fusible link (F). (Except for R9M engine models.)

7.

Check the harness for open or short between EPS control unit harness connector No.9 terminal and the
50A fusible link (H). (Except for R9M engine models.)

8.

Check the harness for open or short between EPS control unit harness connector No.9 terminal and the
50A fusible link (J). (For R9M engine models)

9.

Check the harness for open or short between EPS control unit harness connector No.9 terminal and the
50A fusible link (I). (For R9M engine models)

Is the inspection result normal?

YES

>> Perform the trouble diagnosis for power supply circuit. Refer to 

PG-12, "Wiring Diagram - BAT-

TERY POWER SUPPLY -"

.

NO

>> Repair or replace error-detected parts.

6.

CHECK TERMINALS AND HARNESS CONNECTORS

Check the EPS control unit pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?

YES

>> Replace steering column assembly. Refer to 

ST-13, "Removal and Installation"

.

NO

>> Repair or replace error-detected parts.

 

 

 

 

 

 

 

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