Nissan Sentra. Manual - part 315

DMS-32

< WIRING DIAGRAM >

[ECO MODE (CVT)]

ECO MODE SYSTEM

ABOIA0168GB

DMS

DIAGNOSIS AND REPAIR WORK FLOW

DMS-33

< BASIC INSPECTION >

[ECO MODE (CVT)]

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

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DETAILED FLOW

1.

OBTAIN INFORMATION ABOUT SYMPTOM

Interview the customer to obtain as much information as possible about the conditions and environment under

which the malfunction occurs.

>> GO TO 2.

2.

CHECK SYMPTOM

• Check the symptom based on the information obtained from the customer.

• Check if any other malfunctions are present.

>> GO TO 3.

3.

DTC/SYSTEM DIGANOSIS

Perform a DTC/system diagnosis and repair or replace any malfunctioning part.

>> GO TO 4.

4.

FINAL CHECK

Check that the ECO mode functions normally.
Does it operation normally?

YES

>> End of trouble diagnosis

NO

>> GO TO 2.

DMS-34

< DTC/CIRCUIT DIAGNOSIS >

[ECO MODE (CVT)]

ECO MODE SWITCH

DTC/CIRCUIT DIAGNOSIS

ECO MODE SWITCH

Component Function Check

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1.

 CHECK ECO MODE SWITCH OPERATION

1. Turn ignition switch ON.

2. Check ECO mode indicator lamp turns ON/OFF on combination meter when turn ECO mode switch ON/

OFF.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to 

DMS-38, "Diagnosis Procedure"

.

Diagnosis Procedure

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Regarding Wiring Diagram information, refer to 

DMS-28, "Wiring Diagram"

.

1.

DETECT MALFUNCTIONING ITEMS

What is malfunction items?

ECO mode switch illumination does not turns ON>>GO TO 2.

ECO mode indicator lamp does not turns ON>>GO TO 8.

2.

CHECK ECO MODE SWITCH ILLUMINATION POWER SUPPLY (1)

1. Turn OFF the headlamp.

2. Turn ignition switch OFF.

3. Disconnect ECO mode switch harness connector.

4. Turn ignition switch ON.

5. Turn ON the headlamp.

6. Check the voltage between ECO mode switch harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

CHECK INTERMITTENT INCIDENTE

Refer to 

GI-39, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace ECO mode switch. Refer to 

DMS-39, "Removal and Installation"

.

NO

>> Replace the fuse after repair the applicable circuit.

4.

CHECK ECO MODE SWITCH ILLUMINATION POWER SUPPLY (2)

Check the voltage between ECO mode switch harness connector and ground.

ECO mode switch

Voltage

Connector

+

-

Terminal

M82

1

4

Battery voltage

DMS

ECO MODE SWITCH

DMS-35

< DTC/CIRCUIT DIAGNOSIS >

[ECO MODE (CVT)]

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Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 5.

5.

CHECK FUSE

1. Turn OFF the headlamp.

2. Turn ignition switch OFF.

3. Pull out #37 fuse. Refer to 

PG-47, "Terminal Arrangement"

.

4. Check that the fuse is not fusing.
Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace the fuse after repair the applicable circuit.

6.

CHECK ECO MODE SWITCH ILLUMINATION POWER SUPPLY CIRCUIT

1. Disconnect IPDM E/R harness connector E45. Refer to 

INL-26, "Wiring Diagram"

.

2. Check the continuity between IPDM E/R harness connector and ECO mode switch harness connector.

3. Also check harness for short to ground.
Is the inspection result normal?

YES

>> Perform IPDM E/R auto active test and check tail lamp relay operation. Refer to 

PCS-9, "Diagno-

sis Description"

 (with intelligent key), 

PCS-37, "Diagnosis Description"

 (without intelligent key).

NO

>> Repair or replace error-detected parts.

7.

CHECK GROUND CIRCUIT

1. Turn OFF the headlamp.

2. Turn ignition switch OFF.

3. Check continuity between ECO mode switch harness connector terminal and ground.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

NO

>> Repair or replace error-detected parts.

8.

CHECK ECO MODE SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECO mode switch harness connector.

3. Turn ignition switch ON.

4. Check voltage between ECO mode switch harness connector terminals.

+

-

Voltage

ECO mode switch

Connector

Terminal

M82

1

Ground

Battery voltage

+

-

Continuity

IPDM E/R

ECO mode switch

Connector

Terminal

Connector

Terminal

E45

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M82

1

Existed

+

-

Continuity

ECO mode switch

Connector

Terminal

M82

4

Ground

Existed