Infiniti M45 (Y34). Manual - part 665

STEP LAMP

LT-167

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2.

Touch “START (NISSAN BASED VHCL)”.

3.

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

6.

Select the desired part to be diagnosed on
“SELECT TEST ITEM” screen.

DATA MONITOR
Operation Procedure

1.

Touch “STEP LAMP” on “SELECT TEST ITEM” screen.

2.

Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.

3.

Touch “ALL SIGNALS” or “SELECTION FROM MENU” on “DATA MONITOR” screen.

4.

Touch “START”.

5.

When selected “SELECTION FROM MENU”, touch items to be monitored. When “ALL SIGNALS” is
selected all items will be monitored.

6.

Touch “RECORD” while monitoring and status of the item being monitored can be recorded. To stop
recording, touch “STOP”.

Data Monitor Item 

SKIA3098E

SKIA3783E

PIIA0184E

MAIN SIGNALS

Monitors the main items.

SELECTION FROM MENU

Selects and monitors the items.

Monitored item 

[“OPERATION or UNIT”]

Description

DOOR SW-DR

[ON/OFF]

Displays “Door open (ON)/door closed (OFF)” status judged from the front door switch (driver side) signal.

DOOR SW-AS

[ON/OFF]

Displays “Door open (ON)/door closed (OFF)” status judged from the front door switch (passenger side) 
signal.

LT-168

STEP LAMP

ACTIVE TEST
Operation Procedure

1.

Touch “STEP LAMP” on “SELECT TEST ITEM” screen.

2.

Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.

3.

Touch item to be tested and check operation of the selected item.

4.

Touch “STOP” while testing and the operation will be stopped.

Active Test Item 

On Board Diagnosis

AKS002H6

ON BOARD DIAGNOSTIC RESULTS INDICATOR LAMP

●

Map lamps and step lamps (all seats) act the indicators for the on board diagnosis.

DIAGNOSIS ITEM

SWITCH MONITOR

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Perform the diagnosis on the switch system to each control unit.

How to Perform Switch Monitor

DOOR SW-RR

[ON/OFF]

Displays “Door open (ON)/door closed (OFF)” status judged from the door lock assembly rear RH (door 
switch) signal.

DOOR SW-RL

[ON/OFF]

Displays “Door open (ON)/door closed (OFF)” status judged from the door lock assembly rear LH (door 
switch) signal.

Monitored item 

[“OPERATION or UNIT”]

Description

Test items

Display on 

CONSULT-II screen

Description

Front step lamp
(driver side) output

STEP LAMP-DR

Front step lamp (driver side) can be operated by any ON-OFF operation of lights.

Front step lamp 
(passenger side) output

STEP LAMP-AS

Front step lamp (passenger side) can be operated by any ON-OFF operation of 
lights.

Rear step lamp RH output

STEP LAMP-RR/RH

Rear step lamp RH can be operated by any ON-OFF operation of lights.

Rear step lamp LH output

STEP LAMP-RR/LH

Rear step lamp LH can be operated by any ON-OFF operation of lights.

Diagnosis item

Description

Switch monitor

Checks for malfunction in switch systems that input to BCM and each LCU.

PKIA7882E

STEP LAMP

LT-169

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Description

●

In this mode, when BCM detects the input signal from a switch in IVMS as shown below, the detection is
indicated by the map lamps and front step lamps with buzzer.

Switch Monitor Item

●

The status of the switch (except the ignition switch, interior lamp ill switch, and map lamp switch) as input
to each control unit can be monitored.

Cancel of Switch Monitor

If the following conditions are satisfied, the communication diagnosis is cancelled.

●

Turn ignition switch OFF.

●

Drive the vehicle more than 7 km/h (4 MPH).

Step Lamp Does Not Illuminate/Does Not Go Off When Door Is Opened/Closed 

AKS002H7

1. 

CHECK DOOR SWITCH SIGNAL

With CONSULT-II

●

Operate each door via “DOOR SW” on “DATA MONITOR”
screen and make sure that the switch turns on and off as com-
manded.

Without CONSULT-II

●

Operate each door and via “switch monitor” of the self-diagnosis
function and make sure that the switch turns on and off as com-
manded.

OK or NG

OK

>> GO TO 7.

NG

>> GO TO 2.

PIIA0177E

Control unit

Item

BCM

Each door switch

SKIA0441E

LT-170

STEP LAMP

2. 

CHECK FRONT DOOR SWITCH (DRIVER SIDE) CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and front door switch (driver side)
connector.

3.

Check continuity between BCM harness connector B4 terminal
142 (R/Y) and front door switch (driver side) harness connector
B20 terminal 1 (R/Y).

4.

Check continuity between BCM harness connector B4 terminal
142 (R/Y) and ground.

NOTE:
If front door switch (driver side) is normal, skip this procedure and go to 3.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK FRONT DOOR SWITCH (PASSENGER SIDE) CIRCUIT

1.

Disconnect front door switch (passenger side) connector.

2.

Check continuity between BCM harness connector M4 terminal
37 (LG) and front door switch (passenger side) harness connec-
tor B220 terminal 1 (LG).

3.

Check continuity between BCM harness connector M4 terminal
37 (LG) and ground.

NOTE:
If front door switch (passenger side) is normal, skip this procedure
and go to 4.
OK or NG

OK

>> GO TO 4.

NG

>> Repair harness or connector.

4. 

CHECK DOOR LOCK ASSEMBLY REAR LH (DOOR SWITCH) CIRCUIT

1.

Disconnect door lock assembly rear LH connector.

2.

Check continuity between BCM harness connector M4 terminal
33 (W) and door lock assembly rear LH harness connector D62
terminal 1 (W).

3.

Check continuity between BCM harness connector M4 terminal
33 (W) and ground.

NOTE:
If door lock assembly rear LH (door switch) is normal, skip this pro-
cedure and go to 5.

OK or NG

OK

>> GO TO 5.

NG

>> Repair harness or connector.

142 (R/Y) - 1 (R/Y)

: Continuity should exist. 

142 (R/Y) - Ground

: Continuity should not exist.

PKIA5973E

37 (LG) - 1 (LG) 

: Continuity should exist. 

37 (LG) - Ground

: Continuity should not exist.

PKIA5974E

33 (W) - 1 (W)

: Continuity should exist. 

33 (W) - Ground

: Continuity should not exist.

PKIA5975E