Infiniti QX4 (R50). Manual — part 367

HAZARD REMINDER CHECK

=NBEL0115S08

1

CHECK HAZARD INDICATOR

Check if hazard indicator flashes with hazard switch.

Does hazard indicator operate?

Yes

©

GO TO 2.

No

©

Check “hazard indicator” circuit.

2

CHECK HAZARD REMINDER OPERATION

1. Disconnect smart entrance control unit connector.
2. Apply ground to control unit terminal 7.

SEL325X

Refer to wiring diagram in EL-276.

OK or NG

OK

©

Replace smart entrance control unit.

NG

©

GO TO 3.

3

CHECK MULTI-REMOTE CONTROL RELAY

Check multi-remote control relay.

OK or NG

OK

©

GO TO 4.

NG

©

Replace.

GI

MA

EM

LC

EC

FE

AT

TF

PD

AX

SU

BR

ST

RS

BT

HA

SC

IDX

MULTI-REMOTE CONTROL SYSTEM

Trouble Diagnoses (Cont’d)

EL-285

4

CHECK POWER SUPPLY FOR MULTI-REMOTE CONTROL RELAY

1. Disconnect multi-remote control relay connector.
2. Check voltage between terminal 1 and ground.

SEL326X

OK or NG

OK

©

GO TO 5.

NG

©

Check the following.

I

15A fuse [No. 20, located in fuse block (J/B)]

I

Harness for open or short between multi-remote control relay and fuse

5

CHECK MULTI-REMOTE CONTROL RELAY CIRCUIT

1. Disconnect multi-remote control relay connector.
2. Check voltage between terminals 3 and 5.
3. Check voltage between terminals 6 and 7.

SEL327X

OK or NG

OK

©

Check harness for open or short between smart entrance control unit and multi-remote
control relay.

NG

©

Check the following.

I

Harness for open or short between multi-remote control relay and fuse

I

Harness for open or short between multi-remote control relay and turn signal lamps

MULTI-REMOTE CONTROL SYSTEM

Trouble Diagnoses (Cont’d)

EL-286

HORN REMINDER CHECK

=NBEL0115S11

1

CHECK HORN

Check if horn sounds with horn switch.

Does horn operate?

Yes

©

GO TO 2.

No

©

Check horn circuit.

2

CHECK HORN REMINDER OPERATION

1. Disconnect smart entrance control unit connector.
2. Apply ground to smart entrance control unit terminal 19.

SEL328X

Refer to wiring diagram in EL-276.

OK or NG

OK

©

Replace smart entrance control unit.

NG

©

Check harness for open or short between smart entrance control unit and horn relay.

GI

MA

EM

LC

EC

FE

AT

TF

PD

AX

SU

BR

ST

RS

BT

HA

SC

IDX

MULTI-REMOTE CONTROL SYSTEM

Trouble Diagnoses (Cont’d)

EL-287

INTERIOR ROOM LAMP OPERATION CHECK

=NBEL0115S09

1

CHECK INTERIOR ROOM LAMP

Check if the interior room lamp switch is in the “ON” position and the lamp illuminates.

Does interior room lamp illuminate?

Yes

©

GO TO 2.

No

©

Check the following.

I

Harness for open or short between smart entrance control unit and interior room lamp

I

Interior room lamp

2

CHECK INTERIOR ROOM LAMP CIRCUIT

When interior room lamp switch is “DOOR” position, check voltage across smart entrance control unit terminal 8 and
ground.

SEL329X

Refer to wiring diagram in EL-274.

OK or NG

OK

©

GO TO 3.

NG

©

Repair harness between smart entrance control unit and interior room lamp.

3

CHECK CONTROL UNIT OUTPUT

Push unlock button of remote controller with key removed and all doors closed, and check voltage across smart entrance
control unit terminal 8 and ground.

SEL330X

OK or NG

OK

©

Check system again.

NG

©

Replace smart entrance control unit.

MULTI-REMOTE CONTROL SYSTEM

Trouble Diagnoses (Cont’d)

EL-288