Infiniti QX56 (JA60). Manual - part 523

BCM (BODY CONTROL MODULE)

EXL-121

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EXL

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B2191: DIFFERENCE OF KEY

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SEC-34

B2192: ID DISCORD BCM-ECM

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SEC-35

B2193: CHAIN OF BCM-ECM

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SEC-37

B2552: INTELLIGENT KEY

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SEC-39

B2590: NATS MALFUNCTION

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SEC-40

C1708: [NO DATA] FL

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WT-14

C1709: [NO DATA] FR

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WT-14

C1710: [NO DATA] RR

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WT-14

C1711: [NO DATA] RL

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WT-14

C1712: [CHECKSUM ERR] FL

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WT-16

C1713: [CHECKSUM ERR] FR

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WT-16

C1714: [CHECKSUM ERR] RR

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WT-16

C1715: [CHECKSUM ERR] RL

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WT-16

C1716: [PRESSDATA ERR] FL

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WT-18

C1717: [PRESSDATA ERR] FR

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WT-18

C1718: [PRESSDATA ERR] RR

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WT-18

C1719: [PRESSDATA ERR] RL

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WT-18

C1720: [CODE ERR] FL

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WT-16

C1721: [CODE ERR] FR

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WT-16

C1722: [CODE ERR] RR

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WT-16

C1723: [CODE ERR] RL

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WT-16

C1724: [BATT VOLT LOW] FL

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WT-16

C1725: [BATT VOLT LOW] FR

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WT-16

C1726: [BATT VOLT LOW] RR

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WT-16

C1727: [BATT VOLT LOW] RL

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WT-16

C1729: VHCL SPEED SIG ERR

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WT-19

C1735: IGNITION SIGNAL

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WT-20

CONSULT display

Fail-safe

Intelligent Key 

warning lamp ON

Tire pressure 

monitor warning 

lamp ON

Reference page

EXL-122

< ECU DIAGNOSIS >

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)

Reference Value

INFOID:0000000005369897

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

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

Daytime light system requested OFF with CONSULT-III.

OFF

Daytime light system requested ON with CONSULT-III.

ON

HOOD SW

Hood closed.

OFF

Hood open.

ON

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

EXL-123

< ECU DIAGNOSIS >

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EXL

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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 Intelligent Key (horn chirp mode)

ON

Monitor Item

Condition

Value/Status

EXL-124

< ECU DIAGNOSIS >

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

Terminal Layout

INFOID:0000000005369898

TERMINAL LAYOUT —TYPE A

WKIA5852E