Nissan Murano Z51. Manual — part 1076
PCS-46
< SYSTEM DESCRIPTION >
[POWER DISTRIBUTION SYSTEM]
DIAGNOSIS SYSTEM (BCM)
*: OFF is displayed when brake pedal is depressed while brake switch power supply is OFF.
ACTIVE TEST
PRMT RKE STRT
NOTE:
This item is displayed, but cannot be monitored.
KEY SW -SLOT
Indicates [ON/OFF] condition of key slot.
TRNK/HAT MNTR
NOTE:
This item is displayed, but cannot be monitored.
RKE-LOCK
Indicates [ON/OFF] condition of LOCK signal from Intelligent Key.
RKE-UNLOCK
Indicates [ON/OFF] condition of UNLOCK signal from Intelligent Key.
RKE-TR/BD
NOTE:
This item is displayed, but cannot be monitored.
RKE-PANIC
Indicates [ON/OFF] condition of PANIC button of Intelligent Key.
RKE-P/W OPEN
Indicates [ON/OFF] condition of P/W DOWN signal from Intelligent Key.
RKE-MODE CHG
Indicates [ON/OFF] condition of MODE CHANGE signal from Intelligent Key.
RKE OPE COUN1
When remote keyless entry receiver receives the signal transmitted while operating on Intelligent Key, the
numerical value start changing.
RKE OPE COUN2
NOTE:
This item is displayed, but cannot be monitored.
Monitor Item
Condition
Test item
Description
BATTERY SAVER
This test is able to check interior room lamp operation.
The interior room lamp will be activated after “ON” on CONSULT-III screen is touched.
PW REMOTO DOWN SET
This test is able to check power window down operation.
The power window down will be activated after “ON” on CONSULT-III screen is touched.
INSIDE BUZZER
This test is able to check warning chime in combination meter operation.
• Take away warning chime sounds when “TAKE OUT” on CONSULT-III screen is touched.
• Key warning chime sounds when “KEY WARN” on CONSULT-III screen is touched.
• P position warning chime sounds when “P RNG WARN” on CONSULT-III screen is touched.
• ACC warning chime sounds when “ACC WARN” on CONSULT-III screen is touched.
OUTSIDE BUZZER
This test is able to check Intelligent Key warning buzzer operation.
The Intelligent Key warning buzzer will be activated after “ON” on CONSULT-III screen is touched.
INDICATOR
This test is able to check warning lamp operation.
• “KEY” Warning lamp illuminates when “KEY ON” on CONSULT-III screen is touched.
• “KEY” Warning lamp flashes when “KEY IND” on CONSULT-III screen is touched.
INT LAMP
This test is able to check interior room lamp operation.
The interior room lamp will be activated after “ON” on CONSULT-III screen is touched.
LCD
This test is able to check meter display information
• Engine start information displays when “BP N” on CONSULT-III screen is touched.
• Engine start information displays when “BP I” on CONSULT-III screen is touched.
• Key ID warning displays when “ID NG” on CONSULT-III screen is touched.
• Steering lock information displays when “ROTAT” on CONSULT-III screen is touched.
NOTE:
For models without steering lock unit, “ROTAT” is displayed, but cannot be tested.
• P position warning displays when “SFT P” on CONSULT-III screen is touched.
• Intelligent Key insert information displays when “INSRT” on CONSULT-III screen is touched.
• Intelligent Key low battery warning displays when “BATT” on CONSULT-III screen is touched.
• Take away through window warning displays when “NO KY” on CONSULT-III screen is touched.
• Take away warning display when “OUTKEY” on CONSULT-III screen is touched.
• OFF position warning display when “LK WN” on CONSULT-III screen is touched.
TRUNK/GLASS HATCH
This test is able to check back door opener actuator open operation.
This actuator opens when “ON” on CONSULT-III screen is touched.
FLASHER
This test is able to check hazard warning lamp operation.
The hazard warning lamps will be activated after “ON” on CONSULT-III screen is touched.
PCS
DIAGNOSIS SYSTEM (BCM)
PCS-47
< SYSTEM DESCRIPTION >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
HORN
This test is able to check horn operation.
The horn will be activated after “ON” on CONSULT-III screen is touched.
IGN CONT2
This test is able to check ignition relay operation.
The ignition relay will be activated after “ON” on CONSULT-III screen is touched.
P RANGE
This test is able to check CVT shift selector power supply
CVT shift selector power is supplied when “ON” on CONSULT-III screen is touched.
ENGINE SW ILLUMI
This test is able to check push-ignition switch illumination operation.
Push-ignition switch illumination illuminates when “ON” on CONSULT-III screen is touched.
LOCK INDICATOR
NOTE:
This item is displayed, but cannot be tested.
ACC INDICATOR
This test is able to check indicator in push-ignition switch operation.
Indicator in push-button ignition switch illuminates when “ON” on CONSULT-III screen is touched.
IGNITION ON IND
This test is able to check indicator in push-ignition switch operation.
Indicator in push-button ignition switch illuminates when “ON” on CONSULT-III screen is touched.
KEY SLOT ILLUMI
This test is able to check key slot illumination operation.
Key slot illumination flash when “ON” on CONSULT-III screen is touched.
AUTOMATIC BACK DOOR
NOTE:
This item is displayed, but cannot be tested.
AUTOMATIC SLIDING DOOR
NOTE:
This item is displayed, but cannot be tested.
Test item
Description
PCS-48
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2553 IGNITION RELAY
DTC/CIRCUIT DIAGNOSIS
B2553 IGNITION RELAY
Description
INFOID:0000000005516970
BCM turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned
ON.
• Ignition relay (inside fuse box)
• Ignition relay (inside IPDM E/R)
• Blower relay
BCM checks any ignition relay ON request for consistency with the actual ignition relay operation status.
DTC Logic
INFOID:0000000005516971
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions (start the engine), and wait for at least 2 seconds.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005516972
1.
CHECK DTC WITH IPDM E/R
Check “Self diagnostic result” with CONSULT-III. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning parts.
2.
CHECK FUSE
Check that the following fuse are not fusing.
Is the fuse fusing?
YES
>> Repair the applicable circuit. And then replace the fuse.
NO
>> GO TO 3.
3.
CHECK IGNITION RELAY FEEDBACK INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2553
IGNITION RELAY
BCM detects a difference of signal for 2 seconds or
more between the following information.
• Ignition relay (fuse block) ON/OFF operation
• Ignition relay (fuse block) feedback.
• Harness or connectors
(ignition relay feedback circuit is
open or short)
• BCM
• IPDM E/R
Signal name
Connection position
Fuse No.
Capacity
Ignition power supply
FUSE BLOCK (J/B)
3
10A
PCS
B2553 IGNITION RELAY
PCS-49
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-95, "Removal and Installation"
NO
>> GO TO 4.
4.
CHECK IGNITION RELAY FEEDBACK CIRCUIT
1.
Disconnect fuse block (J/B) connector.
2.
Check continuity between BCM harness connector and fuse block (J/B) harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-35, "Removal and Installation"
.
NO
>> Repair or replace harness.
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M123
123
Ground
Ignition switch
OFF
0
ON
Battery voltage
BCM
FUSE BLOCK (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M123
123
M1
2A
Existed
BCM
Ground
Continuity
Connector
Terminal
M123
123
Not existed
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