Nissan Frontier D40. Manual — part 1143

WCS-64

< ECU DIAGNOSIS >

BCM (BODY CONTROL MODULE)

DTC Inspection Priority Chart

INFOID:0000000005548412

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.

DTC Index

INFOID:0000000005548413

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.

Display contents of CONSULT

Fail-safe

Cancellation

U1000: CAN COMM CIRCUIT

Inhibit engine cranking

When the BCM re-establishes communication with the other mod-
ules.

Priority

DTC

1

• U1000: CAN COMM CIRCUIT

2

• B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM

3

• C1729: VHCL SPEED SIG ERR
• C1735: IGNITION SIGNAL

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

Tire pressure

monitor warning

lamp ON

Reference page

No DTC is detected.
further testing
may be required.

—

—

—

U1000: CAN COMM CIRCUIT

—

—

BCS-28

WCS

BCM (BODY CONTROL MODULE)

WCS-65

< ECU DIAGNOSIS >

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B2190: NATS ANTTENA AMP

—

—

SEC-18

B2191: DIFFERENCE OF KEY

—

—

SEC-21

B2192: ID DISCORD BCM-ECM

—

—

SEC-22

B2193: CHAIN OF BCM-ECM

—

—

SEC-24

C1708: [NO DATA] FL

—

—

WT-14

C1709: [NO DATA] FR

—

—

WT-14

C1710: [NO DATA] RR

—

—

WT-14

C1711: [NO DATA] RL

—

—

WT-14

C1712: [CHECKSUM ERR] FL

—

—

WT-16

C1713: [CHECKSUM ERR] FR

—

—

WT-16

C1714: [CHECKSUM ERR] RR

—

—

WT-16

C1715: [CHECKSUM ERR] RL

—

—

WT-16

C1716: [PRESSDATA ERR] FL

—

—

WT-18

C1717: [PRESSDATA ERR] FR

—

—

WT-18

C1718: [PRESSDATA ERR] RR

—

—

WT-18

C1719: [PRESSDATA ERR] RL

—

—

WT-18

C1720: [CODE ERR] FL

—

—

WT-16

C1721: [CODE ERR] FR

—

—

WT-16

C1722: [CODE ERR] RR

—

—

WT-16

C1723: [CODE ERR] RL

—

—

WT-16

C1724: [BATT VOLT LOW] FL

—

—

WT-16

C1725: [BATT VOLT LOW] FR

—

—

WT-16

C1726: [BATT VOLT LOW] RR

—

—

WT-16

C1727: [BATT VOLT LOW] RL

—

—

WT-16

C1729: VHCL SPEED SIG ERR

—

—

WT-19

C1735: IGNITION SIGNAL

—

—

—

CONSULT display

Fail-safe

Tire pressure

monitor warning

lamp ON

Reference page

WCS-66

< SYMPTOM DIAGNOSIS >

THE LIGHT REMINDER WARNING DOES NOT SOUND

SYMPTOM DIAGNOSIS

THE LIGHT REMINDER WARNING DOES NOT SOUND

Description

INFOID:0000000005274849

Light reminder warning does not sound even though headlamp is illuminated.

Diagnosis Procedure

INFOID:0000000005274850

1.

CHECK COMBINATION SWITCH (LIGHTING SWITCH) OPERATION

Check that the headlamps operate normally by operating the combination switch (lighting switch).

Do they operate normally?

YES

>> GO TO 2

NO

>> Refer to

EXL-4, "Work Flow"

.

2.

CHECK FRONT DOOR SWITCH LH SIGNAL CIRCUIT

Perform inspection of the front door switch LH signal circuit. Refer to

DLK-29, "CREW CAB : Diagnosis Proce-

dure"

or

DLK-29, "CREW CAB : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK FRONT DOOR SWITCH LH

Perform a unit inspection for the front door switch LH. Refer to

DLK-29, "CREW CAB :

Component Function Check"

or

DLK-27, "KING CAB : Component Function Check"

.

Is the inspection result normal?

YES

>> Replace the BCM. Refer to

BCS-54, "Removal and Installation"

.

NO

>> Replace the front door switch LH.

WCS

THE SEAT BELT WARNING CONTINUES SOUNDING, OR DOES NOT SOUND

WCS-67

< SYMPTOM DIAGNOSIS >

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THE SEAT BELT WARNING CONTINUES SOUNDING, OR DOES NOT
SOUND

Description

INFOID:0000000005274851

• Seat belt warning does not sound even though driver seat belt is not fastened.
• Seat belt warning sounds even though driver seat belt is fastened.

Diagnosis Procedure

INFOID:0000000005274852

1.

CHECK WARNING CHIME OPERATION

1.

With key removed from key switch and the front door LH open, turn lighting switch to 1st or 2nd position.

2.

Return lighting switch to off position, and insert key into key switch.

Does warning chime sound for both steps?

YES

>> GO TO 2

NO

>> Replace combination meter. Refer to

MWI-95, "Removal and Installation"

.

2.

CHECK SEAT BELT WARNING LAMP

1.

Turn ignition switch ON.

2.

Check the operation of the seat belt warning lamp in the combination meter.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-54, "Removal and Installation"

.

NO

>> GO TO 3

3.

CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

Perform inspection of the seat belt buckle switch circuit. Refer to

WCS-19, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair harness or connector.

4.

CHECK SEAT BELT BUCKLE SWITCH UNIT

Perform a unit inspection for the seat belt buckle switch. Refer to

WCS-20, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace the combination meter. Refer to

MWI-95, "Removal and Installation"

.

NO

>> Replace the seat belt buckle switch LH.

Seat belt fastened

: OFF

Seat belt not fastened

: ON