Nissan Terrano model r20 series 2004. Manual - part 417

Before starting trouble diagnoses below, perform “PRELIMINARY CHECK”, EL-171.
Symptom numbers in the symptom chart correspond with those of Preliminary check.

SYMPTOM CHART

REFERENCE PAGE

EL-173

EL-174

EL-175

EL-176

EL-177

EL-178

SYMPTOM

Power

supply

and

ground

circuit

check

Procedure

1

(Door

unlock

sensor

check)

Procedure

2

(Door

lock/unlock

switch

check)

Procedure

3

(Door

lock

actuator

check)

Procedure

4

(Door

switch

check)

Procedure

5

(Ignition

key

switch

check)

1

Power door lock does not oper-
ate using any switch.

X

X

X

2

Power door lock does not oper-
ate using door lock/unlock
switch.

X

3

Power door lock does not oper-
ate with any switch of driver side.

X

4

Power door lock does not oper-
ate with any switch of passenger
side.

X

X

5

Specific door lock actuator does
not operate.

X

6

*Key reminder system does not
operate.

X

X

X: Applicable
*: Make sure the power door lock system operates properly.

POWER DOOR LOCK

Trouble Diagnoses (Cont’d)

EL-172

POWER SUPPLY AND GROUND CIRCUIT CHECK

Main power supply circuit check

Terminals

Ignition switch position

!

@

LOCK

ACC

ON

U08

Ground

Battery
voltage

Battery
voltage

Battery
voltage

U09

Ground circuit check

Terminals

Continuity

U16

- Ground

Yes

YEL978E

YEL300D

POWER DOOR LOCK

Trouble Diagnoses (Cont’d)

EL-173

DIAGNOSTIC PROCEDURE 1
(Door unlock sensor check)

CHECK DOOR UNLOCK SENSOR
INPUT SIGNAL.
Check voltage between time control unit
connector terminals

U35

or

U36

and

ground.

NG

E

OK

Door unlock sensor is OK.

CHECK DOOR UNLOCK SENSOR.
1) Disconnect door unlock sensor con-

nector.

2) Check continuity between door unlock

sensor terminals.

OK

E

NG

Replace door lock actuator
assembly.

Check the following:

I

Door unlock sensor ground circuit.

I

Harness for open or short-circuit
between control unit and door unlock
sensor

Terminals

Condi-

tion

Voltage

(V)

!

@

Driver
side

U35

Ground

Locked

Approx.

12

(Approx.

20 sec.)

Unlocked

0

Pas-
senger
side

U36

Ground

Locked

Approx.

12

(Approx.

20 sec.)

Unlocked

0

Terminals

Condition

Continuity

q

2

-

q

4

Locked

No

Unlocked

Yes

YEL301D

YEL908E

H

H

POWER DOOR LOCK

Trouble Diagnoses (Cont’d)

EL-174

DIAGNOSTIC PROCEDUE 2
(Door lock/unlock switch check)

Check voltage between power window
main switch terminals

q

7

,

q

14

and ground.

NG

E

OK

Power window main switch
(door lock/unlock switch) is
OK.

CHECK POWER WINDOW MAIN
SWITCH.
1) Disconnect power window main switch

harness connector.

2) Check continuity between power win-

dow main switch terminals

q

7

,

q

14

and

q

3

.

OK

E

NG

Repair or replace power
window main switch.

Check the following.

I

Harness between TCU and power win-
dow main switch.

I

Power window main switch ground cir-
cuit

I

Door lock switch relay

I

Harness between fuse block and door
lock relay, door lock relay and power
window main switch

Terminals

Condi-

tion

Voltage

(V)

!

@

q

7

Ground

Locked

5

Unlocked

0

q

14

Ground

Locked

0

Unlocked

12

Terminals

Condi-

tion

Continu-

ity

q

7

q

3

Locked

No

Unlocked

Yes

q

14

Locked

Yes

Unlocked

No

YEL909E

YEL910E

H

H

POWER DOOR LOCK

Trouble Diagnoses (Cont’d)

EL-175