Infiniti G37 Coupe. Manual - part 386

KEY WARNING LAMP

DLK-105

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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KEY WARNING LAMP

Description

INFOID:0000000001723453

Performs operation method guide and warning together with buzzer.

Component Function Check

INFOID:0000000001723454

1.

CHECK FUNCTION

With CONSULT-III

Check the operation with “INDICATOR” in “Active Test” mode with CONSULT-III.

Is the inspection result normal?

Yes

>> Key warning lamp in combination meter is OK.

No

>> Refer to 

DLK-105, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001723455

1.

CHECK KEY WARNING LAMP 

Refer to

MWI-50, "COMBINATION METER : Diagnosis Procedure"

 .

Is the inspection result normal?

Yes

>> GO TO 2.

No

>> Repair or replace key warning lamp circuit.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END

Test item

Condition

INDICATOR

:BLUE ON

Key warning lamp (green) illuminates

:RED ON

Key warning lamp (red) illuminates

:BLUE IND

Key warning lamp (green) flashes

:RED IND

Key warning lamp (red) flashes

DLK-106

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

HORN FUNCTION

HORN FUNCTION

Description

INFOID:0000000001683140

Perform answer-back for each operation with horn.

Component Function Check

INFOID:0000000001683141

1.

CHECK FUNCTION

1.

Select “HORN” in “Active Test” mode with CONSULT-III.

2.

Check the horn (high/low) operation.

Is the operation normal?

YES

>> INSPECTION END

NO

>> Refer to 

DLK-106, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001683142

1.

CHECK HORN FUNCTION

Check horn function with horn switch

Do the horns sound?

YES

>> GO TO 2.

NO

>> Refer to 

HRN-2, "Wiring Diagram - HORN -"

.

2.

CHECK HORN RELAY POWER SUPPLY

1.

Turn ignition switch ON.

2.

Perform “ACTIVE TEST” (“HORN”) with CONSULT-Ill.

3.

Check voltage between horn relay 1 and 2 harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK HORN RELAY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R and horn relay 1 and 2 connector.

3.

Check continuity between IPDM E/R harness connector and horn relay 1 and 2 harness connector.

4.

Check continuity between driver seat control unit harness connector and ground.

Test item

Description

HORN

ON

Horn relay 1 and 2

ON (for 20 ms)

Horn relay1/2

Ground

Test item

Voltage (V)

(Applox.)

Connector

Terminal

E11

1

Ground

HORN

ON

0 

→

 Battery voltage 

→

0

Other than above

0

E18

3

ON

0 

→

 Battery voltage 

→

0

Other than above

0

IPDM E/R

Horn relay 1 and 2

Continuity

Connector

Terminal

Connector

Terminal

E46

44

E11

1

Existed

45

E10

3

IPDM E/R

Ground

Continuity 

Connector

Terminal

HORN FUNCTION

DLK-107

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning parts.

E46

44

Ground

Not existed

45

DLK-108

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

HAZARD FUNCTION

HAZARD FUNCTION

Description

INFOID:0000000001683149

Perform answer-back for each operation with number of blinks.

Component Function Check

INFOID:0000000001683150

1.

CHECK FUNCTION

Check hazard warning lamp (“FLASHER”) in Active Test with CONSULT-III.

Is the inspection result normal?

YES

>> Hazard warning lamp circuit is OK.

NO

>> Refer to 

DLK-108, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001683151

1.

CHECK HAZARD SWITCH CIRCUIT

Refer to 

EXL-82, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace hazard warning switch circuit.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END.