Nissan Maxima. Manual - part 865

MWI

BCM (BODY CONTROL MODULE)

MWI-75

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

DTC Index

INFOID:0000000010062257

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 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.

5

• 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
• C1734: CONTROL UNIT

6

• B2622: INSIDE ANTENNA 
• B2623: INSIDE ANTENNA 

Priority

DTC

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

—

—

—

BCS-32

U1010: CONTROL UNIT (CAN)

—

—

—

BCS-33

U0415: VEHICLE SPEED SIG

—

—

—

BCS-34

B2190: NATS ANTENNA AMP

×

—

—

SEC-37

B2191: DIFFERENCE OF KEY

×

—

—

SEC-40

B2192: ID DISCORD BCM-ECM

×

—

—

SEC-41

B2193: CHAIN OF BCM-ECM

×

—

—

SEC-42

B2553: IGNITION RELAY

—

—

—

PCS-46

B2555: STOP LAMP

—

—

—

SEC-43

B2556: PUSH-BTN IGN SW

—

×

—

SEC-46

B2557: VEHICLE SPEED

×

×

—

SEC-48

B2560: STARTER CONT RELAY

×

×

—

SEC-49

MWI-76

< ECU DIAGNOSIS INFORMATION >

BCM (BODY CONTROL MODULE)

B2562: LOW VOLTAGE

—

—

—

BCS-35

B2601: SHIFT POSITION

×

×

—

SEC-50

B2602: SHIFT POSITION

×

×

—

SEC-53

B2603: SHIFT POSI STATUS

×

×

—

SEC-56

B2604: PNP SWITCH

×

×

—

SEC-59

B2605: PNP SWITCH

×

×

—

SEC-61

B2608: STARTER RELAY

×

×

—

SEC-63

B260A: IGNITION RELAY

×

×

—

PCS-48

B260F: ENG STATE SIG LOST

×

×

—

SEC-65

B2614: ACC RELAY CIRC

—

×

—

PCS-50

B2615: BLOWER RELAY CIRC

—

×

—

PCS-53

B2616: IGN RELAY CIRC

—

×

—

PCS-56

B2617: STARTER RELAY CIRC

×

×

—

SEC-67

B2618: BCM

×

×

—

PCS-59

B261A: PUSH-BTN IGN SW

—

×

—

PCS-60

B2622: INSIDE ANTENNA

—

—

—

DLK-60

B2623: INSIDE ANTENNA

—

—

—

DLK-63

B26E1: ENG STATE NO RES

×

×

—

SEC-66

C1704: LOW PRESSURE FL

—

—

×

WT-43

C1705: LOW PRESSURE FR

—

—

×

WT-43

C1706: LOW PRESSURE RR

—

—

×

WT-43

C1707: LOW PRESSURE RL

—

—

×

WT-43

C1708: [NO DATA] FL

—

—

×

WT-13

C1709: [NO DATA] FR

—

—

×

WT-13

C1710: [NO DATA] RR

—

—

×

WT-13

C1711: [NO DATA] RL

—

—

×

WT-13

C1712: [CHECKSUM ERR] FL

—

—

×

WT-15

C1713: [CHECKSUM ERR] FR

—

—

×

WT-15

C1714: [CHECKSUM ERR] RR

—

—

×

WT-15

C1715: [CHECKSUM ERR] RL

—

—

×

WT-15

C1716: [PRESSDATA ERR] FL

—

—

×

WT-17

C1717: [PRESSDATA ERR] FR

—

—

×

WT-17

C1718: [PRESSDATA ERR] RR

—

—

×

WT-17

C1719: [PRESSDATA ERR] RL

—

—

×

WT-17

C1720: [CODE ERR] FL

—

—

×

WT-15

C1721: [CODE ERR] FR

—

—

×

WT-15

C1722: [CODE ERR] RR

—

—

×

WT-15

C1723: [CODE ERR] RL

—

—

×

WT-15

C1724: [BATT VOLT LOW] FL

—

—

×

WT-15

C1725: [BATT VOLT LOW] FR

—

—

×

WT-15

C1726: [BATT VOLT LOW] RR

—

—

×

WT-15

C1727: [BATT VOLT LOW] RL

—

—

×

WT-15

CONSULT display

Fail-safe

Intelligent Key 

warning lamp ON

Tire pressure 

monitor warning 

lamp ON

Reference page

MWI

BCM (BODY CONTROL MODULE)

MWI-77

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

C1729: VHCL SPEED SIG ERR

—

—

×

WT-19

C1734: CONTROL UNIT

—

—

×

WT-20

CONSULT display

Fail-safe

Intelligent Key 

warning lamp ON

Tire pressure 

monitor warning 

lamp ON

Reference page

MWI-78

< ECU DIAGNOSIS INFORMATION >

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

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

Reference Value

INFOID:0000000010062259

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.

1,2,3,4

AC COMP REQ

Engine running

A/C switch OFF

Off

A/C switch ON
(Compressor is operating)

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 running light activated 

(Only for Canada models)

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

IGN RLY1 -REQ

Ignition switch OFF or ACC

Off

Ignition switch ON

On

IGN RLY

Ignition switch OFF or ACC

Off

Ignition switch ON

On

PUSH SW

Release the push-button ignition switch

Off

Press the push-button ignition switch

On

INTER/NP SW

Ignition switch ON

CVT selector lever in any position 
other than P or N

Off

Ignition switch ON

CVT selector lever in P or N posi-
tion

On

ST RLY CONT

Ignition switch ON

Off

At engine cranking

On

IHBT RLY -REQ

Ignition switch ON

Off

At engine cranking

On