Infiniti F50. Manual — part 663

STEP LAMP

LT-119

C

D

E

F

G

H

I

J

L

M

A

B

LT

Terminals and Reference Value for Passenger Door Control Unit

EKS001G7

Terminals and Reference Value for Rear LH, RH Door Control Unit

EKS006PN

Work Flow

EKS0017V

1.

Confirm the symptom or customer complaint.

2.

Understand system description. Refer to

LT-110, "System Description"

.

3.

Perform preliminary check. Refer to

LT-120, "Preliminary Check"

.

4.

Does the door lock system operate normally? When yes, go to step 5. When no, go to Power door lock
system

BL-43, "Symptom Chart"

in “BODY LOCK & SECURITY SYSTEM (BL)” section.

5.

Find the cause of trouble following the trouble diagnosis chart by symptom and repair or replace as neces-
sary. Refer to

LT-125, "Symptom Chart"

.

6.

Does the total coordinated interior illumination operate normally? When yes, go to step 7. When no, go to
step 5.

7.

Inspection end.

Terminal

No.

Wire

color

Item

Condition

Voltage

(Approximate values)

6

W/R

Power source (PTC)

—

Battery voltage

7

B

Ground

—

Less than 1V

8

R

Step lamp

Each door switch

ON (open)

Less than 1V

OFF (closed)

Battery voltage

11

G/OR

Local data line

—

SIIA0591J

Terminal

No.

Wire

color

Item

Condition

Voltage

(Approximate values)

6

Y/B

Power source (PTC)

—

Battery voltage

7

B

Ground

—

Less than 1V

8

R/W

Step lamp

Each door switch

ON (open)

Less than 1V

OFF (closed)

Battery voltage

11

G/OR

Local data line

—

SIIA0591J

LT-120

STEP LAMP

Preliminary Check

EKS0017W

INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT

1.

CHECK FUSE

Check if any of the following fuses in BCM are blown.

Refer to

PG-2, "POWER SUPPLY ROUTING"

.

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown be sure eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER CIRCUIT

1.

Disconnect the BCM, driver door and passenger door control
unit, rear LH door, RH door control unit connector.

2.

Check voltage between the following harness connector and
body ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check harness for open or short between BCM, driver door control unit passenger door control

unit, rear LH, RH door control unit and fuse.

Unit

Power source

Terminal

Fuse No.

BCM

BAT power supply

105

3

IGN power supply

68

1

Unit

Terminals

(Wire color)

Power

source

Condition

Voltage

Connector

(+)

(–)

BCM (M4)

105 (Y/L)

Body

ground

Battery

power

supply

Ignition

switch

OFF

Battery
voltage

68 (W/B)

IGN

power

supply

Ignition

switch ON

Battery
voltage

Driver door
control unit
(D8)

14 (Y/G)

Battery

power

supply

Ignition

switch

OFF

Battery
voltage

Passenger
door control
unit (D39)

6 (W/R)

Battery

power

supply

Ignition

switch

OFF

Battery
voltage

Rear LH
door control
unit (D59)

6 (Y/B)

Rear RH
door control
unit (D79)

6 (Y/B)

SKIA3936E

STEP LAMP

LT-121

C

D

E

F

G

H

I

J

L

M

A

B

LT

3.

CHECK GROUND CIRCUIT

Check continuity between the following harness connector terminal
of the BCM and driver door, passenger or RH, LH door control units
and body ground.

OK or NG

OK

>> Inspection end.

NG

>> Repair or replace harness.

Unit

Terminal

(wire color)

Signal

Ignition

switch

Continuity

Connector

(+)

(–)

BCM (M4)

56 (B) and

113 (B)

Body

ground

Ground

Ignition

switch

OFF

Continuity

should

exist

Driver door
control unit
(D8)

15 (B)

Ground

Ignition

switch

OFF

Continuity

should

exist

Passenger
door control
unit (D39)

7 (B)

Ground

Ignition

switch

OFF

Continuity

should

exist

Rear LH
door control
unit (D59)

Rear RH
door control
unit (D79)

SKIA3937E

LT-122

STEP LAMP

CONSULT-II Function

EKS0017Z

●

CONSULT-II has the display function for the work support, data monitor and active test for each part by
combining data receiving and sending via the communication line from the BCM.

CONSULT-II BASIC OPERATION PROCEDURE

1.

With the ignition switch OFF, connect “CONSULT-II” and “CON-
SULT-II CONVERTER” to the data link connector, then turn igni-
tion switch ON.

2.

Touch “START(NISSAN BASED VHCL)”.

3.

Touch “IVMS” on “SELECT SYSTEM” screen. If “IVMS” is not
indicated, go to

GI-38, "CONSULT-II Data Link Connector (DLC)

Circuit"

.

4.

Check the model specification, touch either “WITH SUNROOF”
or “WITHOUT SUNROOF”.

5.

Touch “OK”. If the selection is wrong, touch “CANCEL”.

IVMS diagnosis position

Diagnosis mode

Description

Step lamp

Data monitor

Displays input data of the BCM and each LCU in real-time.

Active test

Operation of electrical loads can be checked by sending driving signal to them.

BCM part number

Displays BCM part No.

SHIA0179E

SKIA3098E

SKIA3783E

PIIA0184E