Infiniti FX35, FX50 (S51). Manual - part 1419

PCS-34

< REMOVAL AND INSTALLATION >

[IPDM E/R]

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

REMOVAL AND INSTALLATION

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

Exploded View

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Removal and Installation

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CAUTION:

IPDM E/R integrated relays are not serviceable parts, and must not be removed from the unit.

REMOVAL

1.

Disconnect the battery cable from the negative terminal.

2.

Remove the cowl top cover (RH). Refer to 

EXT-22, "Exploded View"

.

3.

Pull up the IPDM E/R assembly while pressing the pawls (A) on
the back of the IPDM E/R cover B (1).

1.

IPDM E/R 

2.

IPDM E/R cover B

3.

IPDM E/R cover A

JPMIA1086ZZ

JPMIA1087ZZ

PCS

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

PCS-35

< REMOVAL AND INSTALLATION >

[IPDM E/R]

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4.

Remove the IPDM E/R cover A (1) while pressing the pawls (A)
at the lower end of the IPDM E/R cover A.

5.

Disconnect the harness connector and remove the IPDM E/R
(2).

6.

Remove the IPDM E/R cover B.

INSTALLATION

Install in the reverse order of removal.

JPMIA1088ZZ

PCS-36

< BASIC INSPECTION >

[POWER DISTRIBUTION SYSTEM]

DIAGNOSIS AND REPAIR WORK FLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

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OVERALL SEQUENCE

DETAILED FLOW

JMKIA2823GB

PCS

DIAGNOSIS AND REPAIR WORK FLOW

PCS-37

< BASIC INSPECTION >

[POWER DISTRIBUTION SYSTEM]

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1.

GET INFORMATION FOR SYMPTOM

Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred).

>> GO TO 2.

2.

CHECK DTC

1.

Check DTC for BCM and IPDM E/R.

2.

Perform the following procedure if DTC is detected.

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Record DTC and freeze frame data (Print them out with CONSULT-III.)

-

Erase DTC.

-

Study the relationship between the cause detected by DTC and the symptom described by the customer.

3.

Check related service bulletins for information.

Are any symptoms described and any DTC detected?

Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 5.

3.

CONFIRM THE SYMPTOM

Confirm the symptom described by the customer.
Connect CONSULT-III to the vehicle in “DATA MONITOR” mode and check real time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 5.

4.

CONFIRM THE SYMPTOM

Confirm the symptom described by the customer.
Connect CONSULT-III to the vehicle in “DATA MONITOR ” mode and check real time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 6.

5.

PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC Confirmation Procedure for the detected DTC, and then check that DTC is detected again.
At this time, always connect CONSULT-III to the vehicle, and check diagnostic results in real time.
If two or more DTCs are detected, refer to 

BCS-78, "DTC Inspection Priority Chart"

, and determine trouble

diagnosis order.
NOTE:
Perform Component Function Check if DTC Confirmation Procedure is not included in Service Manual. This
simplified check procedure is an effective alternative though DTC cannot be detected during this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC Confirmation
Procedure.
Is DTC detected?

YES

>> GO TO 7.

NO

>> Refer to 

GI-36, "Intermittent Incident"

.

6.

DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS

Detect malfunctioning system according to symptom diagnosis based on the confirmed symptom in step 4,
and determine the trouble diagnosis order based on possible causes and symptom.

>> GO TO 7.

7.

DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

Inspect according to Diagnostic Procedure of the system.
NOTE:
The Diagnostic Procedure described is based on open circuit inspection. A short circuit inspection is also
required for the circuit check in the Diagnostic Procedure.