Nissan Altima L32. Manual - part 979

MWI-168

< SYMPTOM DIAGNOSIS >

THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF

THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF

Description

INFOID:0000000004204140

The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure).

Diagnosis Procedure

INFOID:0000000004204141

1.

CHECK OIL PRESSURE WARNING LAMP

Perform IPDM E/R auto active test. Refer to 

PCS-14, "Diagnosis Description"

.

Is oil pressure warning lamp illuminated?

YES

>> GO TO 2

NO

>> Replace combination meter. Refer to 

MWI-176, "Removal and Installation"

.

2.

CHECK IPDM E/R OUTPUT VOLTAGE

1. Turn ignition switch OFF.

2. Disconnect the oil pressure switch connector.

3. Turn ignition switch ON. 

4. Check voltage between the oil pressure switch harness connec-

tor F41 terminal 1 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> GO TO 4

3.

CHECK OIL PRESSURE SWITCH

Perform a unit check for the oil pressure switch. Refer to 

MWI-48, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-48, "Removal and Installation"

.

NO

>> Replace oil pressure switch.

4.

CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT

Check the oil pressure switch signal circuit. Refer to 

MWI-48, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-48, "Removal and Installation"

.

NO

>> Repair harness or connector.

1 – Ground

: Approx. 12V

PKIC1144E

MWI

THE PARKING BRAKE RELEASE WARNING CONTINUES DISPLAYING, OR 

DOES NOT DISPLAY

MWI-169

< SYMPTOM DIAGNOSIS >

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THE PARKING BRAKE RELEASE WARNING CONTINUES DISPLAYING,
OR DOES NOT DISPLAY

Description

INFOID:0000000004204142

• The parking brake warning is displayed while driving the vehicle even though the parking brake is released.

• The parking brake warning is not displayed even though driving the vehicle with the parking brake applied.

Diagnosis Procedure

INFOID:0000000004204143

1.

CHECK PARKING BRAKE WARNING LAMP OPERATION

1. Start engine.

2. Monitor “BRAKE” warning lamp while applying and releasing the parking brake.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-176, "Removal and Installation"

.

NO

>> GO TO 2

2.

CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Check the parking brake switch signal circuit. Refer to 

MWI-49, "Diagnosis Procedure"

. 

Is the inspection result normal?

YES

>> GO TO 3

NG

>> Repair harness or connector.

3.

CHECK PARKING BRAKE SWITCH UNIT

Perform a unit check for the parking brake switch. Refer to 

MWI-50, "Component Inspection"

. 

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-176, "Removal and Installation"

.

NO

>> Replace parking brake switch.

BRAKE warning lamp
Parking brake applied

: ON

Parking brake released

: OFF

MWI-170

< SYMPTOM DIAGNOSIS >

THE LOW WASHER FLUID WARNING CONTINUES DISPLAYING, OR DOES 

NOT DISPLAY

THE LOW WASHER FLUID WARNING CONTINUES DISPLAYING, OR
DOES NOT DISPLAY

Description

INFOID:0000000004204144

• The warning is still displayed even after washer fluid is added.

• The warning is not displayed even though the washer tank is empty.

Diagnosis Procedure

INFOID:0000000004204145

1.

CHECK WASHER LEVEL SWITCH SIGNAL CIRCUIT

Check the washer level switch signal circuit. Refer to 

MWI-51, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK WASHER LEVEL SWITCH UNIT

Perform a unit check for the washer level switch. Refer to 

MWI-51, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-176, "Removal and Installation"

.

NO

>> Replace washer level switch.

MWI

THE DOOR OPEN WARNING CONTINUES DISPLAYING, OR DOES NOT DIS-

PLAY

MWI-171

< SYMPTOM DIAGNOSIS >

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THE DOOR OPEN WARNING CONTINUES DISPLAYING, OR DOES NOT
DISPLAY

Description

INFOID:0000000004204146

• The door ajar warning is displayed even though all of the doors and the trunk are closed.

• The door ajar warning is not displayed even though a door or the trunk is ajar.

Diagnosis Procedure

INFOID:0000000004204147

1.

CHECK BCM INPUT SIGNAL

Connect CONSULT-III and check the BCM input signals. Refer to the following:

• Door switch - coupe: 

DLK-69, "Component Function Check"

• Door switch - sedan: 

DLK-293, "Component Function Check"

• Trunk lamp switch and trunk release solenoid - coupe: 

DLK-93, "Component Function Check"

• Trunk lamp switch and trunk release solenoid - sedan: 

DLK-316, "Component Function Check"

Is the inspection result normal?

YES

>> GO TO 2

NO

>> GO TO 3

2.

CHECK COMBINATION METER INPUT SIGNAL

1. Select “METER/M&A” on CONSULT-III.

2. Monitor “DOOR W/L” and “TRUNK/GLAS-H” of “DATA MONITOR” while opening and closing doors and

trunk.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-176, "Removal and Installation"

.

NO

>> Replace BCM. Refer to 

BCS-96, "Removal and Installation"

.

3.

CHECK DOOR SWITCH SIGNAL CIRCUIT

Check the door switch signal circuit. Refer to the following:

• Coupe: 

DLK-69, "Diagnosis Procedure"

• Sedan: 

DLK-293, "Diagnosis Procedure"

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair harness or connector.

4.

CHECK DOOR SWITCH UNIT

Perform a unit check for the door switch. Refer to the following:

• Coupe: 

DLK-71, "Component Inspection"

• Sedan: 

DLK-295, "Component Inspection"

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace door switch.

5.

CHECK TRUNK LAMP SWITCH AND TRUNK RELEASE SOLENOID SIGNAL CIRCUIT

Check the trunk lamp switch and trunk release solenoid signal circuit. Refer to the following:

• Coupe: 

DLK-93, "Diagnosis Procedure"

• Sedan: 

DLK-316, "Diagnosis Procedure"

“DOOR W/L”
Door open

: ON

Door closed

: OFF

“TRUNK/GLAS-H”
Trunk open

: ON

Trunk closed

: OFF