Nissan Frontier. Manual - part 1041

 

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Nissan Frontier. Manual - part 1041

 

 

PCS-8

< SYSTEM DESCRIPTION >

[IPDM E/R]

POWER CONSUMPTION CONTROL SYSTEM

Component Parts Location

INFOID:0000000009478244

1.

IPDM E/R E118, E119, E120, E121, 
E122, E123, E124

2.

Combination meter M24

3.

BCM (view with lower instrument 
panel LH removed) M18, M19, M20

AWMIA0533ZZ

PCS

DIAGNOSIS SYSTEM (IPDM E/R)

PCS-9

< SYSTEM DESCRIPTION >

[IPDM E/R]

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DIAGNOSIS SYSTEM (IPDM E/R)

Diagnosis Description

INFOID:0000000009478245

AUTO ACTIVE TEST

Description

In auto active test mode, the IPDM E/R sends a drive signal to the following systems to check their operation.

• Oil pressure low warning indicator

• Oil pressure gauge (if equipped)

• Rear window defogger (if equipped)

• Front wipers

• Tail, license and parking lamps

• Front fog lamps (if equipped)

• Headlamps (Hi, Lo)

• A/C compressor (magnetic clutch)

• Cooling fan (if equipped)

Operation Procedure

1. Close the hood and front door RH, and lift the wiper arms from the windshield (to prevent windshield dam-

age due to wiper operation).

NOTE:

When auto active test is performed with hood opened, sprinkle water on windshield before hand.

2. Turn ignition switch OFF.
3. Turn the ignition switch ON and, within 20 seconds, press the front door switch LH 10 times. Then turn the

ignition switch OFF.

4. Turn the ignition switch ON within 10 seconds. After that the horn sounds once and the auto active test

starts.

5. After a series of the following operations is repeated 3 times, auto active test is completed.
NOTE:

When auto active test mode has to be cancelled halfway through test, turn ignition switch OFF.

CAUTION:

• If auto active test mode cannot be actuated, check door switch system. Refer to 

DLK-27, "KING CAB

: Description"

 (king cab) or 

DLK-29, "CREW CAB : Description"

 (crew cab).

• Do not start the engine.

Inspection in Auto Active Test Mode

When auto active test mode is actuated, the following 7 steps are repeated 3 times.

WKIA5030E

Item Number

Test Item

Operation Time/Frequency

1

Rear window defogger (if equipped) 

10 seconds

2

Front wipers

LOW 5 seconds then HIGH 5 seconds

3

Tail, license plate, front fog and parking lamps

10 seconds

PCS-10

< SYSTEM DESCRIPTION >

[IPDM E/R]

DIAGNOSIS SYSTEM (IPDM E/R)

Concept of auto active test

• IPDM E/R starts the auto active test with the door switch signals transmitted by BCM via CAN communica-

tion. Therefore, the CAN communication line between IPDM E/R and BCM is considered normal if the auto

active test starts successfully.

• The auto active test facilitates troubleshooting if any systems controlled by IPDM E/R cannot be operated.

Diagnosis chart in auto active test mode

4

Headlamps 

Low ON for 10 seconds, then High ON-OFF five times.

5

A/C compressor (magnet clutch)

ON-OFF 5 times

6

Cooling fan (if equipped) 

LOW 5 seconds then HIGH 5 seconds

Item Number

Test Item

Operation Time/Frequency

AWMIA1486GB

Symptom

Inspection contents

Possible cause

Oil pressure low warning indicator does not operate

Perform auto active test.
Does the oil pressure low 
warning indicator operate?

YES

• IPDM E/R signal input cir-

cuit

• ECM signal input circuit
• CAN communication signal 

between ECM and combi-
nation meter

NO

• CAN communication signal 

between IPDM E/R, BCM 
and combination meter

Oil pressure gauge does not operate

Perform auto active test.
Does the oil pressure gauge 
operate?

YES

IPDM E/R signal input circuit

NO

• CAN communication signal 

between IPDM E/R, BCM 
and combination meter

Rear window defogger does not operate

Perform auto active test.
Does the rear window defog-
ger operate?

YES

BCM signal input circuit

NO

• Harness or connector be-

tween front air control and 
BCM

• CAN communication signal 

between BCM and IPDM E/
R

PCS

DIAGNOSIS SYSTEM (IPDM E/R)

PCS-11

< SYSTEM DESCRIPTION >

[IPDM E/R]

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CONSULT Function (IPDM E/R)

INFOID:0000000009478246

APPLICATION ITEM

CONSULT performs the following functions via CAN communication with IPDM E/R.

SELF DIAGNOSTIC RESULT

Refer to 

PCS-21, "DTC Index"

.

DATA MONITOR

Any of the following components do not operate

• Front wipers
• Tail  lamps
• License plate lamps
• Parking  lamps
• Front fog lamps (if equipped)
• Headlamps (Hi, Lo)

Perform auto active test.
Does the applicable system 
operate?

YES

BCM signal input system

NO

• Lamp or front wiper motor 

malfunction

• Lamp or front wiper motor 

ground circuit

• Harness or connector be-

tween IPDM E/R and appli-
cable system

• IPDM E/R (integrated relay 

malfunction)

A/C compressor does not operate

Perform auto active test.
Does the A/C compressor op-
erate?

YES

• BCM signal input circuit
• CAN communication signal 

between BCM and ECM

• CAN communication signal 

between ECM and IPDM E/
R

NO

• Magnetic clutch malfunction
• Harness or connector be-

tween IPDM E/R and mag-
netic clutch

• IPDM E/R (integrated relay 

malfunction)

Cooling fan does not operate (if equipped)

Perform auto active test.
Does the cooling fan operate?

YES

• ECM signal input circuit
• CAN communication signal 

between ECM and IPDM E/
R

NO

• Cooling fan motor malfunc-

tion

• Harness or connector be-

tween IPDM E/R and cool-
ing fan

• IPDM E/R (integrated relay 

malfunction)

Symptom

Inspection contents

Possible cause

Direct Diagnostic Mode

Description

Self Diagnostic Result

The IPDM E/R self diagnostic results are displayed.

Data Monitor

The IPDM E/R input/output data is displayed in real time.

Active Test

The IPDM E/R activates outputs to test components.

CAN Diag Support Mntr

The result of transmit/receive diagnosis of CAN communication is displayed.

Monitor Item [Unit]

Main

Signals

Description

MOTOR FAN REQ [1/2/3/4]

×

Indicates cooling fan speed signal received from ECM on CAN communication 
line

AC COMP REQ [On/Off]

×

Indicates A/C compressor request signal received from ECM on CAN commu-
nication line

 

 

 

 

 

 

 

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