Infiniti F50. Manual — part 664
STEP LAMP
LT-123
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LT
6.
Select the desired part to be diagnosed on the “SELECT TEST ITEM” screen.
DATA MONITOR
Operation Procedure
1.
Touch “STEP LAMP” on the “SELECT TEST ITEM” screen.
2.
Touch “DATA MONITOR” on the “SELECT DIAG MODE” screen.
3.
Touch “ALL SIGNALS” or “SELECTION FROM MENU” on the “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
ACTIVE TEST
Operation Procedure
1.
Touch “STEP LAMP” on the “SELECT TEST ITEM” screen.
2.
Touch “ACTIVE TEST” on the “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
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 status of the driver door as judged from the driver door switch signal. (Door is open: ON/
Door is closed: OFF)
DOOR SW-AS
[ON/OFF]
Displays “Door open (ON)/door closed (OFF)” status judged from the passenger door switch signal.
DOOR SW-RR
[ON/OFF]
Displays “Door open (ON)/door closed (OFF)” status judged from the Rear RH door switch signal.
DOOR SW-RL
[ON/OFF]
Displays “Door open (ON)/door closed (OFF)” status judged from the Rear LH door switch signal.
Test items
Display on CONSULT-II
screen
Description
Driver door step lamp output
STEP LAMP-DR
Driver door step lamp can be operated by any ON-OFF operation of
lights.
Passenger door step lamp output
STEP LAMP-AS
Passenger door step lamp can be operated by any ON-OFF operation
of lights.
Rear RH door step lamp output
STEP LAMP-RR/RH
Rear RH door step lamp can be operated by any ON-OFF operation of
lights.
Rear LH door step lamp output
STEP LAMP-RR/LH
Rear LH door step lamp can be operated by any ON-OFF operation of
lights.
LT-124
STEP LAMP
On Board Diagnosis
EKS00180
ON BOARD DIAGNOSTIC RESULTS INDICATOR LAMP.
●
Map lamps and step lamps (all seats) act an the indicators for the on board diagnosis.
DIAGNOSIS ITEM
SWITCH MONITOR
●
Perform the diagnosis on the switch system to each control unit.
How to Perform Switch Monitor
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 lamp 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).
Diagnosis item
Description
Switch monitor
Checks for malfunction in switch systems that input to BCM and each LCU.
SIIA0411E
PIIA0177E
Control unit
Item
BCM
Each door switch
STEP LAMP
LT-125
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LT
Symptom Chart
EKS00181
DIAGNOSTIC PROCEDURE
SYMPTOM: Step lamp does not illuminate/dose not go off when door is opened/closed.
1.
CHECK DOOR SWITCH SIGNAL
With CONSULT-II
●
Operate each door via “DOOR SW” on DATA MONITOR screen
and check that the switch turns on and off as commanded.
Without CONSULT-II
●
Operate each door and via “switch monitor” of the self-diagnosis function and check that the switch turns
on and off as commanded.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 2.
2.
CHECK FRONT DOOR SWITCH HARNESS CONTINUITY
1.
Disconnect connectors of the BCM and front door switch.
2.
Check continuity between BCM harness connector M4, B4 ter-
minals 37 (W/G), 142 (W/R) and the door switches harness con-
nectors B20, B220 terminal 1 (W/R, W/G).
3.
Check continuity between BCM harness connector M4, B4 ter-
minals 37 (W/G), 142 (W/R) and body ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness.
SKIA0441E
Terminals
Continuity
(+)
(–)
Connector
Terminal
(Wire
color)
Connector
Terminal
(Wire
color)
B4
142 (W/R)
B20
1(W/R)
Yes
M4
37 (W/G)
B220
1(W/G)
B4
142 (W/R)
Body ground
No
M4
37 (W/G)
SKIA0442E
LT-126
STEP LAMP
3.
CHECK REAR DOOR SWITCH HARNESS CONTINUITY
1.
Disconnect connectors of rear door switch.
2.
Check continuity between BCM harness connector M4, B4 ter-
minals 33 (W), 143 (W/L) and the door switches harness con-
nectors D62, D82 terminal 1 (W).
3.
Check continuity between BCM harness connector M4, B4 ter-
minals 33 (W), 143 (W/L) and body ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness.
4.
CHECK DOOR SWITCH
Check continuity between front door switch connector B20, B220 ter-
minal 1 (W/R, W/G) and body ground, and between the rear door
switch connector D62, D82 terminals 1 (W) and 2 (B) while turning
the door switches ON (open) and OFF (closed).
OK or NG
OK
>> Check door switch ground circuit or door switch ground
condition.
NG
>> Replace door switch.
5.
CHECK BULB
Check step lamp bulb.
OK or NG
OK
>> GO TO 6.
NG
>> Replace bulb.
Terminals
Continuity
(+)
(–)
Connector
Terminal
(Wire
color)
Connector
Terminal
(Wire
color)
M4
33 (W)
D62
1(W)
Yes
B4
143 (W/L)
D82
1(W)
Yes
M4
33 (W)
Body ground
No
B4
143 (W/L)
SKIA0443E
Terminals
Condition
Continuity
Connector
(+)
(–)
Terminal
(Wire
color)
Terminal
(Wire
color)
B20
1 (W/R)
Body
ground
ON (Open)
Yes
B220
1 (W/G)
OFF (Closed)
No
D62
1 (W)
2 (B)
ON (Open)
Yes
D82
OFF (Closed)
No
SKIA0444E
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