Nissan Pathfinder (2008 year). Manual — part 500
MWI
BCM (BODY CONTROL MODULE)
MWI-71
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ALMWA0091GB
MWI-72
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
ALMIA0281GB
MWI
BCM (BODY CONTROL MODULE)
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DTC Inspection Priority Chart
INFOID:0000000001712778
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
ALMIA0282GB
MWI-74
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
DTC Index
INFOID:0000000001712779
NOTE:
Details of time display
• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-
tion switch OFF
→
ON again.
• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1
→
2
→
3...38
→
39 after returning to the normal condition whenever ignition switch OFF
→
ON. The counter
remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF
→
ON after returning to the normal condition if the malfunction is detected again.
Priority
DTC
1
• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
2
• B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
• B2013: STRG COMM 1
• B2552: INTELLIGENT KEY
• B2590: NATS MALFUNCTION
3
• C1729: VHCL SPEED SIG ERR
4
• C1704: LOW PRESSURE FL
• C1705: LOW PRESSURE FR
• C1706: LOW PRESSURE RR
• C1707: LOW PRESSURE RL
• C1708: [NO DATA] FL
• C1709: [NO DATA] FR
• C1710: [NO DATA] RR
• C1711: [NO DATA] RL
• C1712: [CHECKSUM ERR] FL
• C1713: [CHECKSUM ERR] FR
• C1714: [CHECKSUM ERR] RR
• C1715: [CHECKSUM ERR] RL
• C1716: [PRESSDATA ERR] FL
• C1717: [PRESSDATA ERR] FR
• C1718: [PRESSDATA ERR] RR
• C1719: [PRESSDATA ERR] RL
• C1720: [CODE ERR] FL
• C1721: [CODE ERR] FR
• C1722: [CODE ERR] RR
• C1723: [CODE ERR] RL
• C1724: [BATT VOLT LOW] FL
• C1725: [BATT VOLT LOW] FR
• C1726: [BATT VOLT LOW] RR
• C1727: [BATT VOLT LOW] RL
CONSULT display
Fail-safe
Intelligent Key
warning lamp ON
Tire pressure
monitor warning
lamp ON
Reference page
No DTC is detected.
further testing
may be required.
—
—
—
—
U1000: CAN COMM CIRCUIT
—
—
—
U1010: CONTROL UNIT (CAN)
—
—
—
B2013: STRG COMM 1
—
—
—
B2190: NATS ANTTENA AMP
—
—
—
(with I-
(without I-Key)
MWI
BCM (BODY CONTROL MODULE)
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B2191: DIFFERENCE OF KEY
—
—
—
(with I-
Key),
(without I-Key)
B2192: ID DISCORD BCM-ECM
—
—
—
(with I-
Key),
(without I-Key)
B2193: CHAIN OF BCM-ECM
—
—
—
(with I-
Key),
(without I-Key)
B2552: INTELLIGENT KEY
—
—
—
B2590: NATS MALFUNCTION
—
—
—
C1708: [NO DATA] FL
—
—
—
C1709: [NO DATA] FR
—
—
—
C1710: [NO DATA] RR
—
—
—
C1711: [NO DATA] RL
—
—
—
C1712: [CHECKSUM ERR] FL
—
—
—
C1713: [CHECKSUM ERR] FR
—
—
—
C1714: [CHECKSUM ERR] RR
—
—
—
C1715: [CHECKSUM ERR] RL
—
—
—
C1716: [PRESSDATA ERR] FL
—
—
—
C1717: [PRESSDATA ERR] FR
—
—
—
C1718: [PRESSDATA ERR] RR
—
—
—
C1719: [PRESSDATA ERR] RL
—
—
—
C1720: [CODE ERR] FL
—
—
—
C1721: [CODE ERR] FR
—
—
—
C1722: [CODE ERR] RR
—
—
—
C1723: [CODE ERR] RL
—
—
—
C1724: [BATT VOLT LOW] FL
—
—
—
C1725: [BATT VOLT LOW] FR
—
—
—
C1726: [BATT VOLT LOW] RR
—
—
—
C1727: [BATT VOLT LOW] RL
—
—
—
C1729: VHCL SPEED SIG ERR
—
—
—
C1734: CONTROL UNIT
—
—
—
—
CONSULT display
Fail-safe
Intelligent Key
warning lamp ON
Tire pressure
monitor warning
lamp ON
Reference page
MWI-76
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)
Reference Value
INFOID:0000000001712780
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
MOTOR FAN REQ
Engine idle speed
Changes depending on engine
coolant temperature, air conditioner
operation status, vehicle speed,
etc.
0 - 100 %
A/C COMP REQ
A/C switch OFF
OFF
A/C switch ON
ON
TAIL&CLR REQ
Lighting switch OFF
OFF
Lighting switch 1ST, 2ND, HI or AUTO (Light is illuminated)
ON
HL LO REQ
Lighting switch OFF
OFF
Lighting switch 2ND HI or AUTO (Light is illuminated)
ON
HL HI REQ
Lighting switch OFF
OFF
Lighting switch HI
ON
FR FOG REQ
Lighting switch 2ND or AUTO (Light
is illuminated)
Front fog lamp switch OFF
OFF
• Front fog lamp switch ON
• Daytime light activated (Canada
only)
ON
H L WASHER REQ
NOTE:
This item is displayed, but cannot be monitored.
OFF
FR WIP REQ
Ignition switch ON
Front wiper switch OFF
STOP
Front wiper switch INT
1LOW
Front wiper switch LO
LOW
Front wiper switch HI
HI
WIP AUTO STOP
Ignition switch ON
Front wiper stop position
STOP P
Any position other than front wiper
stop position
ACT P
WIP PROT
Ignition switch ON
Front wiper operates normally
OFF
Front wiper stops at fail-safe opera-
tion
BLOCK
ST RLY REQ
Ignition switch OFF or ACC
OFF
Ignition switch START
ON
IGN RLY
Ignition switch OFF or ACC
OFF
Ignition switch ON
ON
RR DEF REQ
Rear defogger switch OFF
OFF
Rear defogger switch ON
ON
OIL P SW
Ignition switch OFF, ACC or engine running
OPEN
Ignition switch ON
CLOSE
DTRL REQ
NOTE:
This item is displayed, but cannot be monitored.
OFF
HOOD SW
NOTE:
This item is displayed, but cannot be monitored.
OFF
MWI
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
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THFT HRN REQ
Not operated
OFF
• Panic alarm is activated
• Horn is activated with VEHICLE SECURITY (THEFT WARNING) SYS-
TEM
ON
HORN CHIRP
Not operated
OFF
Door locking with keyfob or Intelligent Key (if equipped) (horn chirp mode)
ON
Monitor Item
Condition
Value/Status
MWI-78
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Terminal Layout
INFOID:0000000001712781
TERMINAL LAYOUT
Physical Values
INFOID:0000000001712782
PHYSICAL VALUES
WKIA5852E
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