Nissan Maxima. Instruction — part 349

KEY SLOT ILLUMINATION

DLK-115

< DTC/CIRCUIT DIAGNOSIS >

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KEY SLOT ILLUMINATION

Description

INFOID:0000000009471712

Blinks when Intelligent Key insertion is required.

Component Function Check

INFOID:0000000009471713

1.

CHECK FUNCTION

With CONSULT

Check key slot illumination KEY SLOT ILLUMI in Active Test mode.

Is the inspection result normal?

YES

>> Key slot function is OK.

NO

>> Refer to

DLK-115, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009471714

Regarding Wiring Diagram information, refer to

DLK-161, "Wiring Diagram"

.

1.

CHECK KEY SLOT ILLUMINATION OUTPUT SIGNAL

Check voltage between key slot connector and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> GO TO 2

2.

CHECK KEY SLOT POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect key slot connector.

3. Check voltage between slot connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace key slot power supply circuit.

3.

CHECK KEY SLOT GROUND CIRCUIT

Terminals

Condition

Key slot

illumination

Voltage (V)

(Approx.)

(+)

(–)

Key slot

connector

Terminal

M40

6

Ground

Intelligent Key inserted

OFF

Battery voltage

Intelligent Key removed

ON

0

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Key slot connector

Terminal

M40

1

Ground

Battery voltage

5

DLK-116

< DTC/CIRCUIT DIAGNOSIS >

KEY SLOT ILLUMINATION

Check continuity between key slot connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace key slot ground circuit.

4.

CHECK KEY SLOT CIRCUIT

1. Disconnect BCM and key slot connector.

2. Check continuity between BCM connector and key slot connec-

tor.

3. Check continuity between BCM connector and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair or replace harness between BCM and key slot.

5.

CHECK KEY SLOT

Refer to

DLK-76, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Replace key slot.

6.

CHECK INTERMITTENT INCIDENT

Refer to

GI-41, "Intermittent Incident"

.

>> Inspection End.

Key slot connector

Terminal

Ground

Continuity

M40

7

Yes

ALKIA0420ZZ

BCM connector

Terminal

Key slot

connector

Terminal

Continuity

A: M19

80

B: M40

6

Yes

BCM connector

Terminal

Ground

Continuity

A: M19

80

No

ALKIA0421ZZ

HORN FUNCTION

DLK-117

< DTC/CIRCUIT DIAGNOSIS >

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HORN FUNCTION

Description

INFOID:0000000009471715

Perform answer-back for each operation with horn.

Component Function Check

INFOID:0000000009471716

1.

CHECK FUNCTION

1. Select HORN in “ACTIVE TEST” mode with CONSULT.

2. Check the horn (high/low) operation.

Is the operation normal?

YES

>> Inspection End.

NO

>> Go to

DLK-117, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009471717

Regarding Wiring Diagram information, refer to

DLK-161, "Wiring Diagram"

.

1.

CHECK HORN FUNCTION

Check horn function with horn switch
Does the horn sound?

YES

>> GO TO 2

NO

>> Refer to

DLK-161, "Wiring Diagram"

.

2.

CHECK HORN RELAY POWER SUPPLY

1. Turn ignition switch ON.

2. Perform “ACTIVE TEST” (“HORN”) with CONSULT.

3. Using an oscilloscope or analog voltmeter, check voltage

between IPDM E/R connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace IPDM E/R. Refer to

PCS-35, "Removal and Installation"

.

3.

CHECK INTERMITTENT INCIDENT

Test item

Description

HORN

ON

Horn relay

ON (for 20 ms)

ALKIA0424ZZ

IPDM E/R

Ground

Test item

Voltage (V)

(Approx.)

Connector

Terminal

E17

44

Ground

HORN

ON

Battery voltage

→ 0 → Battery voltage

Other than above

Battery voltage

DLK-118

< DTC/CIRCUIT DIAGNOSIS >

HORN FUNCTION

Refer to

GI-41, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to

PCS-35, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.