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
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
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