Nissan Cube. Manual - part 690

 

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Nissan Cube. Manual - part 690

 

 

MWI-84

< ECU DIAGNOSIS INFORMATION >

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

If No CAN Communication Is Available With BCM

IGNITION RELAY MALFUNCTION DETECTION FUNCTION

• IPDM E/R monitors the voltage at the contact circuit of the ignition relay inside and ignition switch status

from BCM via CAN communication. 

• IPDM E/R judges the ignition relay error if the voltage differs between the contact circuit and the ignition

switch status from BCM via CAN communication.

• If the ignition relay cannot turn OFF due to contact seizure, it activates the tail lamp relay for 10 minutes to

alert the user to the ignition relay malfunction when the ignition switch is turned OFF.

FRONT WIPER CONTROL

IPDM E/R detects front wiper stop position by a front wiper stop position signal.
When a front wiper stop position signal is in the conditions listed below, IPDM E/R stops power supply to wiper
after repeating a front wiper 10 seconds activation and 20 seconds stop five times.

Control part

Fail-safe operation

Cooling fan

• The cooling fan relay-1, the cooling fan relay-2 and the cooling fan relay-3 turn ON 

when the ignition switch is turned ON (Cooling fan HI operation)

• The cooling fan relay-1, the cooling fan relay-2 and the cooling fan relay-3 turn OFF 

when the ignition switch is turned OFF

A/C compressor

A/C relay OFF

Alternator

Outputs the power generation command signal (PWM signal) 0%

Control part

Fail-safe operation

Headlamp

• Turns ON the headlamp low relay when the ignition switch is turned ON
• Turns OFF the headlamp low relay when the ignition switch is turned OFF
• Headlamp high relay OFF

• Parking  lamps
• Side marker lamps
• License plate lamps
• Illuminations
• Tail lamps

• Turns ON the tail lamp relay when the ignition switch is turned ON
• Turns OFF the tail lamp relay when the ignition switch is turned OFF

Front wiper

• The status just before activation of fail-safe control is maintained until the ignition 

switch is turned OFF while the front wiper is operating at LO or HI speed.

• The wiper is operated at LO speed until the ignition switch is turned OFF if the fail-

safe control is activated while the front wiper is set in the INT mode and the front wiper 
motor is operating.

Front fog lamps

Front fog lamp relay OFF

Rear window defogger relay

Rear window defogger relay OFF

Horn

Horn OFF

Voltage judgment

IPDM E/R judgment

Operation

Ignition relay contact side

Ignition switch status from 

BCM

ON

ON

Ignition relay ON normal

OFF

OFF

Ignition relay OFF normal

ON

OFF

Ignition relay ON stuck

• Detects DTC “B2098: IGN RELAY ON”
• Turns ON the tail lamp relay for 10 min-

utes

OFF

ON

Ignition relay OFF stuck

Detects DTC “B2099: IGN RELAY OFF”

Ignition switch

Front wiper switch

Front wiper stop position signal

ON

OFF

The front wiper stop position signal (stop 
position) cannot be input for 10 seconds.

ON

The front wiper stop position signal does 
not change for 10 seconds.

MWI

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

MWI-85

< ECU DIAGNOSIS INFORMATION >

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NOTE:
This operation status can be confirmed on the IPDM E/R “Data Monitor” that displays “BLOCK” for the item
“WIP PROT” while the wiper is stopped.

WITHOUT INTELLIGENT KEY : DTC Index

INFOID:0000000010247962

NOTE:
• The details of time display are as follows.
- CRNT: A malfunction is detected now.
- PAST: A malfunction was detected in the past.
• IGN counter is displayed on FFD (Freeze Frame data).
- The number is 0 when is detected now.
- The number increases like 1 

 2 ··· 38 

 39 after returning to the normal condition whenever IGN OFF 

ON.

- The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.

×

: Applicable

CONSULT display

Fail-safe

Refer to

No DTC is detected.
further testing
may be required.

U1000: CAN COMM CIRCUIT

×

PCS-15

B2098: IGN RELAY ON CIRC

×

PCS-16

B2099: IGN RELAY OFF CIRC

PCS-47

MWI-86

< SYMPTOM DIAGNOSIS >

THE FUEL GAUGE INDICATOR DOES NOT OPERATE

SYMPTOM DIAGNOSIS

THE FUEL GAUGE INDICATOR DOES NOT OPERATE

Description

INFOID:0000000009945735

Fuel gauge will not indicate from a certain position.

Diagnosis Procedure

INFOID:0000000009945736

1.

CHECK FLOAT INTERFERENCE

Check that the float arm interferes with or binds to other components in the fuel tank.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace malfunctioning part.

2.

CHECK FUEL LEVEL SENSOR SIGNAL CIRCUIT

Check the fuel level sensor signal circuit. Refer to 

MWI-42, "Component Function Check"

Is the inspection result normal?

YES

>> Refer to 

GI-40, "Intermittent Incident"

.

NO

>> Repair or replace malfunctioning parts.

MWI

THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON

MWI-87

< SYMPTOM DIAGNOSIS >

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THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON

Description

INFOID:0000000009945737

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

Diagnosis Procedure

INFOID:0000000009945738

1.

CHECK OIL PRESSURE WARNING LAMP

Perform auto active test. Refer to 

PCS-10, "Diagnosis Description"

 (With I-KEY) or 

PCS-41, "Diagnosis

Description"

 (Without I-KEY).

Is oil pressure warning lamp blinking?

YES

>> GO TO 2.

NO

>> GO TO 4.

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

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. 

NO

>> Replace oil pressure switch.

4.

CHECK COMBINATION METER INPUT SIGNAL

Connect CONSULT and perform an input signal check for the combination meter. Refer to 

MWI-45, "Compo-

nent Function Check"

.

Is the inspection result normal?

YES

>> Replace combination meter.

NO

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

 (With I-KEY) or 

PCS-64,

"Removal and Installation"

 (Without I-KEY).

 

 

 

 

 

 

 

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