Nissan Frontier D40. Manual - part 876

PCS-4

< BASIC INSPECTION >

[IPDM E/R]

DIAGNOSIS AND REPAIR WORKFLOW

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

Is malfunctioning part detected?

YES

>> GO TO 9

>> Check voltage of related BCM terminals using CONSULT-III.

REPAIR OR REPLACE THE MALFUNCTIONING PART

Repair or replace the malfunctioning part.

Reconnect parts or connectors disconnected during Diagnostic Procedure again after repair and replace-
ment.

Check DTC. If DTC is displayed, erase it.

>> GO TO 10

10.

FINAL CHECK

When DTC was detected in step 2, perform DTC Confirmation Procedure or Component Function Check
again, and then check that the malfunction have been fully repaired.
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4 and check that
the symptom is not detected.

Are the inspection results normal?

YES

>> Inspection End.

NO (DTC is detected)>>GO TO 8
NO (Symptom remains)>>GO TO 6

PCS

RELAY CONTROL SYSTEM

PCS-5

< FUNCTION DIAGNOSIS >

[IPDM E/R]

FUNCTION DIAGNOSIS

RELAY CONTROL SYSTEM

System Diagram

INFOID:0000000005275985

AWMIA1128GB

PCS-6

< FUNCTION DIAGNOSIS >

[IPDM E/R]

RELAY CONTROL SYSTEM

System Description

INFOID:0000000005275986

IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input sig-
nals from various sensors and the request signals received from control units via CAN communication.

CAUTION:

IPDM E/R integrated relays cannot be removed.

Control relay

Input/output

Transmit unit

Control part

Reference

page

Front fog lamp relay
(if equipped)

Front fog lamp request signal

BCM (CAN)

Front fog lamps
(if equipped)