Nissan Altima HL32 Hybrid. Manual - part 834

MWI

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

MWI-123

< ECU DIAGNOSIS >

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DTC Index

INFOID:0000000004501266

NOTE:

The details of TIME display are as follows.

• CRNT: The malfunctions that are detected now

• 1 - 39: The number is indicated when it is normal at present and a malfunction was detected in the past. It

increases like 0 

→ 1 → 2 ··· 38 → 39 after returning to the normal condition whenever IGN OFF → ON. It is

fixed to 39 until the self-diagnosis results are erased if it is over 39. It returns to 0 when a malfunction is

detected again in the process.

CONSULT-III display

Fail-safe

TIME

NOTE

Refer to

No DTC is detected.
further testing
may be required.

—

—

—

—

U1000: CAN COMM CIRCUIT

×

CRNT

1 – 39

PCS-19

B2098: IGN RELAY ON

×

CRNT

1 – 39

PCS-20

B2099: IGN RELAY OFF

—

CRNT

1 – 39

PCS-21

B2108: STRG LCK RELAY ON

—

CRNT

1 – 39

SEC-34

B2109: STRG LCK RELAY OFF

—

CRNT

1 – 39

SEC-35

B210A: STRG LCK STATE SW

—

CRNT

1 – 39

SEC-36

MWI-124

< SYMPTOM DIAGNOSIS >

THE FUEL GAUGE POINTER DOES NOT MOVE

SYMPTOM DIAGNOSIS

THE FUEL GAUGE POINTER DOES NOT MOVE

Description

INFOID:0000000004219323

Fuel gauge needle will not move from a certain position.

Diagnosis Procedure

INFOID:0000000004219324

1.

CHECK COMBINATION METER INPUT SIGNAL

1. Select “METER/M&A” on CONSULT-III.

2. Using “FUEL METER” of “DATA MONITOR”, compare the monitor value with the fuel gauge reading on

the combination meter. Refer to 

MWI-43, "Component Function Check"

.

Does monitor value match fuel gauge reading?

YES

>> GO TO 2

NO

>> Replace combination meter. Refer to 

MWI-135, "Removal and Installation"

.

2.

CHECK FUEL LEVEL SENSOR SIGNAL CIRCUIT

Check the fuel level sensor signal circuit. Refer to 

MWI-43, "Diagnosis Procedure"

. 

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK FUEL LEVEL SENSOR UNIT

Perform a unit check for the fuel level sensor unit. Refer to 

MWI-44, "Component Inspection"

. 

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace fuel level sensor unit. Refer to 

FL-7, "Removal and Installation"

.

4.

CHECK FLOAT INTERFERENCE

Check that the float arm does not interfere or bind with any of the components in the fuel tank.
Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-135, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning parts.

MWI

THE FUEL GAUGE POINTER DOES NOT MOVE TO "F" WHEN REFUELING

MWI-125

< SYMPTOM DIAGNOSIS >

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THE FUEL GAUGE POINTER DOES NOT MOVE TO "F" WHEN REFUEL-
ING

Description

INFOID:0000000004219325

The fuel gauge needle will not move to “F” position when refueling.

Diagnosis Procedure

INFOID:0000000004219326

1.

OBSERVE FUEL GAUGE

Does it take a long time for the pointer to move to FULL position?
YES or NO

YES

>> GO TO 2

NO

>> GO TO 3

2.

IDENTIFY FUELING CONDITION

Was the vehicle fueled with the ignition switch ON?
YES or NO

YES

>> Be sure to fuel the vehicle with the ignition switch OFF. Otherwise, it will take a long time to move

to FULL position because of the characteristic of the fuel gauge.

NO

>> GO TO 3

3.

OBSERVE VEHICLE POSITION

Is the vehicle parked on an incline?
YES or NO

YES

>> Check the fuel level indication with vehicle on a level surface.

NO

>> GO TO 4

4.

OBSERVE FUEL GAUGE POINTER

During driving, does the fuel gauge pointer move gradually toward EMPTY position?
YES or NO

YES

>> Check the components. Refer to 

MWI-44, "Component Inspection"

.

NO

>> The float arm may interfere or bind with any of the components in the fuel tank.

MWI-126

< SYMPTOM DIAGNOSIS >

THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON

THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON

Description

INFOID:0000000004219327

The oil pressure warning lamp stays off when the ignition switch is turned ON.

Diagnosis Procedure

INFOID:0000000004219328

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-135, "Removal and Installation"

.

2.

CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT

Check the oil pressure switch signal circuit. Refer to 

MWI-45, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK OIL PRESSURE SWITCH UNIT

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

MWI-45, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-39, "Removal and Installation"

.

NO

>> Replace oil pressure switch.