Infiniti I35 (A33). Manual - part 436

SYMPTOM CHART

NHEL0123S02

REFERENCE PAGE (EL-

)

344

346

347

353

355

357

358

309

SYMPTOM

PRELIMINAR

Y

CHECK

POWER

SUPPL

Y

AND

GROUND

CIRCUIT

CHECK

DOOR,

HOOD

AND

TRUNK

ROOM

LAMP

SWITCH

CHECK

SECURITY

INDICA

T

O

R

LAMP

CHECK

DOOR

KEY

CYLINDER

SWITCH

CHECK

DOOR

LOCK/UNLOCK

SWITCH

CHECK

VEHICLE

SECURITY

HORN

AND

HEADLAMP

ALARM

CHECK

Check

“REMOTE

KEYLESS

ENTR

Y

SYSTEM”.

1

Vehicle security indicator does not
illuminate for 30 seconds.

X

X

X

V

ehicle

security

system

cannot

be

set

by

....

All items

X

X

X

Door outside key

X

X

Lock/unlock switch

X

X

Keyfob

X

X

2

*1

V

ehicle

security

system

does

not

alarm

when

...

One of the door is
opened

X

X

3

V

ehicle

security

alarm

does

not

activate.

Horn or headlamp
alarm

X

X

X

4

V

ehicle

security

system

cannot

be

canceled

by

....

Door outside key

X

X

Keyfob

X

X

X : Applicable
*1: Make sure the system is in the armed phase.

Before starting trouble diagnoses above, perform preliminary
check, EL-344.
Symptom numbers in the symptom chart correspond with those of
preliminary check.

GI

MA

EM

LC

EC

FE

AT

AX

SU

BR

ST

RS

BT

HA

SC

IDX

VEHICLE SECURITY (THEFT WARNING) SYSTEM

Trouble Diagnoses (Cont’d)

EL-345

POWER SUPPLY AND GROUND CIRCUIT CHECK

NHEL0123S03

Power Supply Circuit Check

NHEL0123S0301

1.

Disconnect smart entrance control unit harness connector.

2.

Check voltage between smart entrance control unit harness
connector M144 terminals 26 (PU), 27 (G), M145 terminal 49
(R/B) and ground.

SEL582Y

Ground Circuit Check

NHEL0123S0302

1.

Disconnect smart entrance control unit harness connector.

2.

Check continuity between smart entrance control unit harness
connector M144 terminal 43 (B), M145 terminal 64 (B) and
ground.

SEL034Y

VEHICLE SECURITY (THEFT WARNING) SYSTEM

Trouble Diagnoses (Cont’d)

EL-346

DOOR, HOOD AND TRUNK ROOM LAMP SWITCH
CHECK

=NHEL0123S04

Door Switch Check

NHEL0123S0401

1

PRELIMINARY CHECK

1. Turn ignition switch OFF and remove key from ignition key cylinder.

“SECURITY” indicator lamp should blink every 2.6 seconds.

2. Close all doors, hood and trunk lid.
3. Lock doors with keyfob from inside the vehicle.

“SECURITY” indicator lamp should turn on for 30 seconds.

4. Unlock any door with the door lock knob and open the door within 30 seconds after door is locked.

“SECURITY” indicator lamp should turn off.

OK or NG

OK

©

Door switch is OK, and go to hood switch check.

NG

©

GO TO 2.

2

CHECK DOOR SWITCH INPUT SIGNAL

With CONSULT-II

Check door switches (“DOOR SW-RR”, “DOOR SW-DR” and “DOOR SW-AS”) in “DATA MONITOR” mode with CON-
SULT-II.

SEL024Y

Without CONSULT-II

Check voltage between smart entrance control unit harness connector M143 terminals 1 (LG), 2 (R/L) or 3 (R/W) and
ground.

SEL021YC

Refer to wiring diagram in EL-337.

OK or NG

OK

©

Door switch is OK, and go to hood switch check.

NG

©

GO TO 3.

GI

MA

EM

LC

EC

FE

AT

AX

SU

BR

ST

RS

BT

HA

SC

IDX

VEHICLE SECURITY (THEFT WARNING) SYSTEM

Trouble Diagnoses (Cont’d)

EL-347

3

CHECK DOOR SWITCH

1. Disconnect door switch connector.
2. Check continuity between door switch terminals.

SEL900Y

OK or NG

OK

©

Check the following.

I

Door switch ground circuit or door switch ground condition

I

Harness for open or short between smart entrance control unit and door switch

NG

©

Replace door switch.

VEHICLE SECURITY (THEFT WARNING) SYSTEM

Trouble Diagnoses (Cont’d)

EL-348