Infiniti G37 Coupe. Manual - part 1406

WCS-96

< ECU DIAGNOSIS >

BCM (BODY CONTROL MODULE)

B2616: IGN RELAY CIRC

—

×

×

—

PCS-63

B2617: STARTER RELAY CIRC

×

×

×

—

SEC-94

B2618: BCM

×

×

×

—

PCS-66

B2619: BCM

×

×

×

—

SEC-96

B261A: PUSH-BTN IGN SW

—

×

×

—

SEC-97

B261E: VEHICLE TYPE

×

×

×

 (Turn ON for 15 

seconds)

—

SEC-100

B2621: INSIDE ANTENNA

—

×

—

—

DLK-59

B2622: INSIDE ANTENNA

—

×

—

—

DLK-61

B2623: INSIDE ANTENNA

—

×

—

—

DLK-63

B26E1: ENG STATE NO RES

×

×

×

—

SEC-89

C1704: LOW PRESSURE FL

—

—

—

×

WT-15

C1705: LOW PRESSURE FR

—

—

—

×

WT-15

C1706: LOW PRESSURE RR

—

—

—

×

WT-15

C1707: LOW PRESSURE RL

—

—

—

×

WT-15

C1708: [NO DATA] FL

—

—

—

×

WT-17

C1709: [NO DATA] FR

—

—

—

×

WT-17

C1710: [NO DATA] RR

—

—

—

×

WT-17

C1711: [NO DATA] RL

—

—

—

×

WT-17

C1712: [CHECKSUM ERR] FL

—

—

—

×

WT-20

C1713: [CHECKSUM ERR] FR

—

—

—

×

WT-20

C1714: [CHECKSUM ERR] RR

—

—

—

×

WT-20

C1715: [CHECKSUM ERR] RL

—

—

—

×

WT-20

C1716: [PRESSDATA ERR] FL

—

—

—

×

WT-23

C1717: [PRESSDATA ERR] FR

—

—

—

×

WT-23

C1718: [PRESSDATA ERR] RR

—

—

—

×

WT-23

C1719: [PRESSDATA ERR] RL

—

—

—

×

WT-23

C1720: [CODE ERR] FL

—

—

—

×

WT-25

C1721: [CODE ERR] FR

—

—

—

×

WT-25

C1722: [CODE ERR] RR

—

—

—

×

WT-25

C1723: [CODE ERR] RL

—

—

—

×

WT-25

C1724: [BATT VOLT LOW] FL

—

—

—

×

WT-28

C1725: [BATT VOLT LOW] FR

—

—

—

×

WT-28

C1726: [BATT VOLT LOW] RR

—

—

—

×

WT-28

C1727: [BATT VOLT LOW] RL

—

—

—

×

WT-28

C1729: VHCL SPEED SIG ERR

—

—

—

×

WT-31

C1734: CONTROL UNIT

—

—

—

×

WT-32

CONSULT display

Fail-safe

Freeze Frame 

Data

Intelligent Key 

warning lamp ON

Tire pressure 

monitor warning 

lamp ON

Reference 

page

WCS

THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR 

DOES NOT SOUND

WCS-97

< SYMPTOM DIAGNOSIS >

C

D

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G

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A

O

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SYMPTOM DIAGNOSIS

THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR
DOES NOT SOUND

Description

INFOID:0000000001606848

• The parking brake warning chime sounds continuously during vehicle travel though the parking brake is

released

• The parking brake warning chime does not sound at all even though driving the vehicle with the parking

brake applied.

Diagnosis Procedure

INFOID:0000000001606849

1.

CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL

1.

Connect the CONSULT-III.

2.

Select the “Data Monitor” of the “METER/M&A” and check the “PKB SW” monitor value. Refer to 

MWI-59,

"Component Function Check"

.

Is the inspection result normal?

YES

>> Replace combination meter.

NO

>> GO TO 2.

2.

CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT

Check the parking brake switch signal circuit. Refer to 

BRC-71, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK PARKING BRAKE SWITCH

Check the parking brake switch. Refer to 

BRC-72, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace the combination meter.

NO

>> Replace the parking brake switch. Refer to 

PB-7, "PEDAL TYPE : Removal and Installation"

(pedal type) or 

PB-8, "LEVER TYPE : Removal and Installation"

 (lever type).

WCS-98

< SYMPTOM DIAGNOSIS >

THE LIGHT REMINDER WARNING DOES NOT SOUND

THE LIGHT REMINDER WARNING DOES NOT SOUND

Description

INFOID:0000000001606850

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

Diagnosis Procedure

INFOID:0000000001606851

1.

CHECK COMBINATION SWITCH (LIGHT SWITCH) OPERATION

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

Do they operate normally?

YES

>> GO TO 2.

NO

>> Refer to 

EXL-178, "Diagnosis Procedure"

.

2.

CHECK FRONT DRIVER SIDE DOOR SWITCH SIGNAL CIRCUIT

Check the front driver side door switch signal circuit. Refer to 

DLK-66, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK FRONT DRIVER SIDE DOOR SWITCH

Check the front driver side door switch. Refer to 

DLK-67, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace the BCM. Refer to 

BCS-79, "Removal and Installation"

.

NO

>> Replace the front driver side door switch. Refer to 

DLK-238, "Removal and Installation"

.

WCS

THE SEAT BELT WARNING CONTINUES SOUNDING, OR DOES NOT SOUND

WCS-99

< SYMPTOM DIAGNOSIS >

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THE SEAT BELT WARNING CONTINUES SOUNDING, OR DOES NOT
SOUND

Description

INFOID:0000000001606852

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

Diagnosis Procedure

INFOID:0000000001606853

1.

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 the BCM.

NO

>> GO TO 2.

2.

CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL

1.

Connect the CONSULT-III.

2.

Select the “Data Monitor” of the “METER/M&A” and check the “BUCKLE SW” monitor value. Refer to

WCS-24, "Component Function Check"

.

Is the inspection result normal?

YES

>> Replace the combination meter.

NO

>> GO TO 3.

3.

CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE) SIGNAL CIRCUIT

Check the seat belt buckle switch (driver side) signal circuit. Refer to 

WCS-24, "Diagnosis Procedure"

. 

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)

Check the seat belt buckle switch (driver side). Refer to 

WCS-25, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace the unified meter and A/C amp.

NO

>> Replace the seat belt buckle switch (driver side). Refer to 

SB-7, "SEAT BELT BUCKLE : Removal

and Installation"

.

Seat belt fastened

: OFF

Seat belt unfastened

: ON