Nissan Terrano model r20 series 2004. Instruction — part 422
Trouble Diagnoses
PRELIMINARY CHECK
CHECK-IN
Open all windows and remove
key from ignition key cylinder.
Does power door lock operate
properly?
Yes
E
No (All doors)
Power door lock does not operate by using;
— any switch.
. . . . . . . . . . . . . . . . . . ..
— driver side lock knob switch and/or key
cylinder.
. . . . . . . . . . . . . . . . . . ..
— passenger side lock knob switch and/or
key cylinder.
★
E
SYMPTOM 1
E
SYMPTOM 2
E
SYMPTOM 3
No (Specific door)
SYMPTOM 4
Does super lock set by using
door key cylinder?
Yes
E
No (All doors)
Super lock does not set by using;
— both door key cylinders.
. . . . . . . . . . . . . . . . . . ..
— one of door key cylinders.
E
SYMPTOM 5
E
SYMPTOM 6
No (Specific door)
SYMPTOM 9
Does super lock release by using
door key cylinder or IGN key
switch?
Yes
E
No (All doors)
Super lock does not release by using;
— one or both door key cylinders.
. . . . . . . . . . . . . . . . . . ..
— IGN key switch.
(Signal from NATS IMMU)
E
SYMPTOM 7
E
SYMPTOM 8
No (Specific door)
SYMPTOM 9
Insert key to ignition key cylinder,
open any door and lock the door
using driver or passenger side
knob lock switch.
Does key reminder system oper-
ate properly?
Yes
E
No
SYMPTOM 10
INSPECTION END
After performing preliminary check, continue with diagnostic procedure in “SYMPTOM CHART”,
EL-193.
★
When one or more doors are opened with lock knob on passenger door set to LOCK, only passenger door
will lock. (Power door lock system will not operate.)
E
E
E
H
H
H
H
H
H
H
POWER DOOR LOCK — SUPER LOCK —
EL-192
Before starting trouble diagnoses below, perform “PRELIMINARY CHECK”, EL-192.
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
key
cylinder
switch
check)
Procedure
3
(Door
lock
actuator
check)
Procedure
4
(Super
lock
actuator
check)
Procedure
5
(Door
switch
check)
Procedure
6
(NA
TS
release
signal
check)
Procedure
7
(Ignition
key
switch
check)
Procedure
8
(Ignition
switch
“ON”
circuit
check)
1
Power door lock does not oper-
ate using any switch.
X
X
X
2
Power door lock does not oper-
ate with any switch of driver side.
X
3
Power door lock does not oper-
ate with any switch of passenger
side.
X
X
4
Specific door lock actuator does
not operate.
X
5
Super lock cannot be set by both
door key cylinders.
X
X
X
X
X
6
Super lock cannot be set by one
of door key cylinders.
X
7
*Super lock cannot be released
by one or both door key cylin-
ders.
X
8
*Super lock cannot be released
by ignition key switch. (Signal
from NATS IMMU)
X
9
Specific super lock actuator does
not operate.
X
10
*Key reminder system does not
operate.
X
X
X: Applicable
*: Make sure the power door lock system operates properly.
POWER DOOR LOCK — SUPER LOCK —
Trouble Diagnoses (Cont’d)
EL-193
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 — SUPER LOCK —
Trouble Diagnoses (Cont’d)
EL-194
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
5
Locked
No
Unlocked
Yes
YEL301D
YEL302D
H
H
POWER DOOR LOCK — SUPER LOCK —
Trouble Diagnoses (Cont’d)
EL-195
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